// ==UserScript==
// @name         iZhihu
// @namespace    https://github.com/unogz/izhihu
// @version      2.10.12
// @description  知乎插件
// @match        http://www.zhihu.com/*
// @include      http://www.zhihu.com/*
// @icon         http://ilovezhihu.duapp.com/logo.png
// @copyright    2013+, @钢盅郭子 @刘勇 @罗大睿
// @updateinfo   发布日期 2013-9-10|# 改进「首页」：增加「首页分栏」模式、修正额外「收起」按钮|# 改进「右舷评论」：为特性「关闭时自动卷屏至对应条目」提供可选开关|# 改进「快速收藏」：增加操作状态指示|#修复「快速屏蔽」
// @grant GM_xmlhttpRequest
// @grant GM_registerMenuCommand
// @grant GM_openInTab
// @downloadURL none
// ==/UserScript==

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a||e.body})}}),p.each({scrollLeft:"pageXOffset",scrollTop:"pageYOffset"},function(a,c){var d=/Y/.test(c);p.fn[a]=function(e){return p.access(this,function(a,e,f){var g=da(a);if(f===b)return g?c in g?g[c]:g.document.documentElement[e]:a[e];g?g.scrollTo(d?p(g).scrollLeft():f,d?f:p(g).scrollTop()):a[e]=f},a,e,arguments.length,null)}}),p.each({Height:"height",Width:"width"},function(a,c){p.each({padding:"inner"+a,content:c,"":"outer"+a},function(d,e){p.fn[e]=function(e,f){var g=arguments.length&&(d||typeof e!="boolean"),h=d||(e===!0||f===!0?"margin":"border");return p.access(this,function(c,d,e){var f;return p.isWindow(c)?c.document.documentElement["client"+a]:c.nodeType===9?(f=c.documentElement,Math.max(c.body["scroll"+a],f["scroll"+a],c.body["offset"+a],f["offset"+a],f["client"+a])):e===b?p.css(c,d,e,h):p.style(c,d,e,h)},c,g?e:b,g,null)}})}),a.jQuery=a.$=p,typeof define=="function"&&define.amd&&define.amd.jQuery&&define("jquery",[],function(){return p})})(unsafeWindow);
}
/*!
 * Casper is a navigation utility for PhantomJS.
 *
 * Documentation: http://casperjs.org/
 * Repository:    http://github.com/n1k0/casperjs
 *
 * Copyright (c) 2011-2012 Nicolas Perriault
 *
 * Part of source code is Copyright Joyent, Inc. and other Node contributors.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 */

/*global console escape exports NodeList window*/

(function(exports) {
    "use strict";

    exports.create = function create(options) {
        return new this.ClientUtils(options);
    };

    /**
     * Casper client-side helpers.
     */
    exports.ClientUtils = function ClientUtils(options) {
        /*jshint maxstatements:40*/
        // private members
        var BASE64_ENCODE_CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
        var BASE64_DECODE_CHARS = new Array(
            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63,
            52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1,
            -1,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14,
            15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1,
            -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
            41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1
        );
        var SUPPORTED_SELECTOR_TYPES = ['css', 'xpath'];

        // public members
        this.options = options || {};
        this.options.scope = this.options.scope || document;
        /**
         * Clicks on the DOM element behind the provided selector.
         *
         * @param  String  selector  A CSS3 selector to the element to click
         * @return Boolean
         */
        this.click = function click(selector) {
            return this.mouseEvent('click', selector);
        };

        /**
         * Decodes a base64 encoded string. Succeeds where window.atob() fails.
         *
         * @param  String  str  The base64 encoded contents
         * @return string
         */
        this.decode = function decode(str) {
            /*jshint maxstatements:30 maxcomplexity:30 */
            var c1, c2, c3, c4, i = 0, len = str.length, out = "";
            while (i < len) {
                do {
                    c1 = BASE64_DECODE_CHARS[str.charCodeAt(i++) & 0xff];
                } while (i < len && c1 === -1);
                if (c1 === -1) {
                    break;
                }
                do {
                    c2 = BASE64_DECODE_CHARS[str.charCodeAt(i++) & 0xff];
                } while (i < len && c2 === -1);
                if (c2 === -1) {
                    break;
                }
                out += String.fromCharCode((c1 << 2) | ((c2 & 0x30) >> 4));
                do {
                    c3 = str.charCodeAt(i++) & 0xff;
                    if (c3 === 61)
                    return out;
                    c3 = BASE64_DECODE_CHARS[c3];
                } while (i < len && c3 === -1);
                if (c3 === -1) {
                    break;
                }
                out += String.fromCharCode(((c2 & 0XF) << 4) | ((c3 & 0x3C) >> 2));
                do {
                    c4 = str.charCodeAt(i++) & 0xff;
                    if (c4 === 61) {
                        return out;
                    }
                    c4 = BASE64_DECODE_CHARS[c4];
                } while (i < len && c4 === -1);
                if (c4 === -1) {
                    break;
                }
                out += String.fromCharCode(((c3 & 0x03) << 6) | c4);
            }
            return out;
        };

        /**
         * Echoes something to casper console.
         *
         * @param  String  message
         * @return
         */
        this.echo = function echo(message) {
            console.log("[casper.echo] " + message);
        };

        /**
         * Base64 encodes a string, even binary ones. Succeeds where
         * window.btoa() fails.
         *
         * @param  String  str  The string content to encode
         * @return string
         */
        this.encode = function encode(str) {
            /*jshint maxstatements:30 */
            var out = "", i = 0, len = str.length, c1, c2, c3;
            while (i < len) {
                c1 = str.charCodeAt(i++) & 0xff;
                if (i === len) {
                    out += BASE64_ENCODE_CHARS.charAt(c1 >> 2);
                    out += BASE64_ENCODE_CHARS.charAt((c1 & 0x3) << 4);
                    out += "==";
                    break;
                }
                c2 = str.charCodeAt(i++);
                if (i === len) {
                    out += BASE64_ENCODE_CHARS.charAt(c1 >> 2);
                    out += BASE64_ENCODE_CHARS.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4));
                    out += BASE64_ENCODE_CHARS.charAt((c2 & 0xF) << 2);
                    out += "=";
                    break;
                }
                c3 = str.charCodeAt(i++);
                out += BASE64_ENCODE_CHARS.charAt(c1 >> 2);
                out += BASE64_ENCODE_CHARS.charAt(((c1 & 0x3) << 4) | ((c2 & 0xF0) >> 4));
                out += BASE64_ENCODE_CHARS.charAt(((c2 & 0xF) << 2) | ((c3 & 0xC0) >> 6));
                out += BASE64_ENCODE_CHARS.charAt(c3 & 0x3F);
            }
            return out;
        };

        /**
         * Checks if a given DOM element exists in remote page.
         *
         * @param  String  selector  CSS3 selector
         * @return Boolean
         */
        this.exists = function exists(selector) {
            try {
                return this.findAll(selector).length > 0;
            } catch (e) {
                return false;
            }
        };

        /**
         * Fetches innerText within the element(s) matching a given CSS3
         * selector.
         *
         * @param  String  selector  A CSS3 selector
         * @return String
         */
        this.fetchText = function fetchText(selector) {
            var text = '', elements = this.findAll(selector);
            if (elements && elements.length) {
                Array.prototype.forEach.call(elements, function _forEach(element) {
                    text += element.textContent || element.innerText;
                });
            }
            return text;
        };

        /**
         * Fills a form with provided field values, and optionnaly submits it.
         *
         * @param  HTMLElement|String  form  A form element, or a CSS3 selector to a form element
         * @param  Object              vals  Field values
         * @return Object                    An object containing setting result for each field, including file uploads
         */
        this.fill = function fill(form, vals) {
            /*jshint maxcomplexity:8*/
            var out = {
                errors: [],
                fields: [],
                files:  []
            };
            if (!(form instanceof HTMLElement) || typeof form === "string") {
                this.log("attempting to fetch form element from selector: '" + form + "'", "info");
                try {
                    form = this.findOne(form);
                } catch (e) {
                    if (e.name === "SYNTAX_ERR") {
                        out.errors.push("invalid form selector provided: '" + form + "'");
                        return out;
                    }
                }
            }
            if (!form) {
                out.errors.push("form not found");
                return out;
            }
            for (var name in vals) {
                if (!vals.hasOwnProperty(name)) {
                    continue;
                }
                var field = this.findAll('[name="' + name + '"]', form);
                var value = vals[name];
                if (!field || field.length === 0) {
                    out.errors.push('no field named "' + name + '" in form');
                    continue;
                }
                try {
                    out.fields[name] = this.setField(field, value);
                } catch (err) {
                    if (err.name === "FileUploadError") {
                        out.files.push({
                            name: name,
                            path: err.path
                        });
                    } else if(err.name === "FieldNotFound") {
                        out.errors.push('Form field named "' + name + '" was not found.');
                    } else {
                        out.errors.push(err.toString());
                    }
                }
            }
            return out;
        };

        /**
         * Finds all DOM elements matching by the provided selector.
         *
         * @param  String            selector  CSS3 selector
         * @param  HTMLElement|null  scope     Element to search child elements within
         * @return NodeList|undefined
         */
        this.findAll = function findAll(selector, scope) {
            scope = scope || this.options.scope;
            try {
                var pSelector = this.processSelector(selector);
                if (pSelector.type === 'xpath') {
                    return this.getElementsByXPath(pSelector.path, scope);
                } else {
                    return scope.querySelectorAll(pSelector.path);
                }
            } catch (e) {
                this.log('findAll(): invalid selector provided "' + selector + '":' + e, "error");
            }
        };

        /**
         * Finds a DOM element by the provided selector.
         *
         * @param  String            selector  CSS3 selector
         * @param  HTMLElement|null  scope     Element to search child elements within
         * @return HTMLElement|undefined
         */
        this.findOne = function findOne(selector, scope) {
            scope = scope || this.options.scope;
            try {
                var pSelector = this.processSelector(selector);
                if (pSelector.type === 'xpath') {
                    return this.getElementByXPath(pSelector.path, scope);
                } else {
                    return scope.querySelector(pSelector.path);
                }
            } catch (e) {
                this.log('findOne(): invalid selector provided "' + selector + '":' + e, "error");
            }
        };

        /**
         * Downloads a resource behind an url and returns its base64-encoded
         * contents.
         *
         * @param  String  url     The resource url
         * @param  String  method  The request method, optional (default: GET)
         * @param  Object  data    The request data, optional
         * @return String          Base64 contents string
         */
        this.getBase64 = function getBase64(url, method, data) {
            return this.encode(this.getBinary(url, method, data));
        };

        /**
         * Retrieves string contents from a binary file behind an url. Silently
         * fails but log errors.
         *
         * @param   String   url     Url.
         * @param   String   method  HTTP method.
         * @param   Object   data    Request parameters.
         * @return  String
         */
        this.getBinary = function getBinary(url, method, data) {
            try {
                return this.sendAJAX(url, method, data, false);
            } catch (e) {
                if (e.name === "NETWORK_ERR" && e.code === 101) {
                    this.log("getBinary(): Unfortunately, casperjs cannot make cross domain ajax requests", "warning");
                }
                this.log("getBinary(): Error while fetching " + url + ": " + e, "error");
                return "";
            }
        };

        /**
         * Retrieves total document height.
         * http://james.padolsey.com/javascript/get-document-height-cross-browser/
         *
         * @return {Number}
         */
        this.getDocumentHeight = function getDocumentHeight() {
            return Math.max(
                Math.max(document.body.scrollHeight, document.documentElement.scrollHeight),
                Math.max(document.body.offsetHeight, document.documentElement.offsetHeight),
                Math.max(document.body.clientHeight, document.documentElement.clientHeight)
            );
        };

        /**
         * Retrieves bounding rect coordinates of the HTML element matching the
         * provided CSS3 selector in the following form:
         *
         * {top: y, left: x, width: w, height:, h}
         *
         * @param  String  selector
         * @return Object or null
         */
        this.getElementBounds = function getElementBounds(selector) {
            try {
                var clipRect = this.findOne(selector).getBoundingClientRect();
                return {
                    top:    clipRect.top,
                    left:   clipRect.left,
                    width:  clipRect.width,
                    height: clipRect.height
                };
            } catch (e) {
                this.log("Unable to fetch bounds for element " + selector, "warning");
            }
        };

        /**
         * Retrieves the list of bounding rect coordinates for all the HTML elements matching the
         * provided CSS3 selector, in the following form:
         *
         * [{top: y, left: x, width: w, height:, h},
         *  {top: y, left: x, width: w, height:, h},
         *  ...]
         *
         * @param  String  selector
         * @return Array
         */
        this.getElementsBounds = function getElementsBounds(selector) {
            var elements = this.findAll(selector);
            var self = this;
            try {
                return Array.prototype.map.call(elements, function(element) {
                    var clipRect = element.getBoundingClientRect();
                    return {
                        top:    clipRect.top,
                        left:   clipRect.left,
                        width:  clipRect.width,
                        height: clipRect.height
                    };
                });
            } catch (e) {
                this.log("Unable to fetch bounds for elements matching " + selector, "warning");
            }
        };

        /**
         * Retrieves information about the node matching the provided selector.
         *
         * @param  String|Object  selector  CSS3/XPath selector
         * @return Object
         */
        this.getElementInfo = function getElementInfo(selector) {
            var element = this.findOne(selector);
            var bounds = this.getElementBounds(selector);
            var attributes = {};
            [].forEach.call(element.attributes, function(attr) {
                attributes[attr.name.toLowerCase()] = attr.value;
            });
            return {
                nodeName: element.nodeName.toLowerCase(),
                attributes: attributes,
                tag: element.outerHTML,
                html: element.innerHTML,
                text: element.innerText,
                x: bounds.left,
                y: bounds.top,
                width: bounds.width,
                height: bounds.height,
                visible: this.visible(selector)
            };
        };

        /**
         * Retrieves a single DOM element matching a given XPath expression.
         *
         * @param  String            expression  The XPath expression
         * @param  HTMLElement|null  scope       Element to search child elements within
         * @return HTMLElement or null
         */
        this.getElementByXPath = function getElementByXPath(expression, scope) {
            scope = scope || this.options.scope;
            var a = document.evaluate(expression, scope, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
            if (a.snapshotLength > 0) {
                return a.snapshotItem(0);
            }
        };

        /**
         * Retrieves all DOM elements matching a given XPath expression.
         *
         * @param  String            expression  The XPath expression
         * @param  HTMLElement|null  scope       Element to search child elements within
         * @return Array
         */
        this.getElementsByXPath = function getElementsByXPath(expression, scope) {
            scope = scope || this.options.scope;
            var nodes = [];
            var a = document.evaluate(expression, scope, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
            for (var i = 0; i < a.snapshotLength; i++) {
                nodes.push(a.snapshotItem(i));
            }
            return nodes;
        };

        /**
         * Retrieves the value of a form field.
         *
         * @param  String  inputName  The for input name attr value
         * @return Mixed
         */
        this.getFieldValue = function getFieldValue(inputName) {
            function getSingleValue(input) {
                try {
                    type = input.getAttribute('type').toLowerCase();
                } catch (e) {
                    type = 'other';
                }
                if (['checkbox', 'radio'].indexOf(type) === -1) {
                    return input.value;
                }
                // single checkbox or… radio button (weird, I know)
                if (input.hasAttribute('value')) {
                    return input.checked ? input.getAttribute('value') : undefined;
                }
                return input.checked;
            }
            function getMultipleValues(inputs) {
                type = inputs[0].getAttribute('type').toLowerCase();
                if (type === 'radio') {
                    var value;
                    [].forEach.call(inputs, function(radio) {
                        value = radio.checked ? radio.value : value;
                    });
                    return value;
                } else if (type === 'checkbox') {
                    var values = [];
                    [].forEach.call(inputs, function(checkbox) {
                        if (checkbox.checked) {
                            values.push(checkbox.value);
                        }
                    });
                    return values;
                }
            }
            var inputs = this.findAll('[name="' + inputName + '"]'), type;
            switch (inputs.length) {
                case 0:  return null;
                case 1:  return getSingleValue(inputs[0]);
                default: return getMultipleValues(inputs);
            }
        };

        /**
         * Retrieves a given form all of its field values.
         *
         * @param  String  selector  A DOM CSS3/XPath selector
         * @return Object
         */
        this.getFormValues = function getFormValues(selector) {
            var form = this.findOne(selector);
            var values = {};
            var self = this;
            [].forEach.call(form.elements, function(element) {
                var name = element.getAttribute('name');
                if (name && !values[name]) {
                    values[name] = self.getFieldValue(name);
                }
            });
            return values;
        };

        /**
         * Logs a message. Will format the message a way CasperJS will be able
         * to log phantomjs side.
         *
         * @param  String  message  The message to log
         * @param  String  level    The log level
         */
        this.log = function log(message, level) {
            console.log("[casper:" + (level || "debug") + "] " + message);
        };

        /**
         * Dispatches a mouse event to the DOM element behind the provided selector.
         *
         * @param  String   type     Type of event to dispatch
         * @param  String  selector  A CSS3 selector to the element to click
         * @return Boolean
         */
        this.mouseEvent = function mouseEvent(type, selector) {
            var elem = this.findOne(selector);
            if (!elem) {
                this.log("mouseEvent(): Couldn't find any element matching '" + selector + "' selector", "error");
                return false;
            }
            try {
                var evt = document.createEvent("MouseEvents");
                var center_x = 1, center_y = 1;
                try {
                    var pos = elem.getBoundingClientRect();
                    center_x = Math.floor((pos.left + pos.right) / 2),
                    center_y = Math.floor((pos.top + pos.bottom) / 2);
                } catch(e) {}
                evt.initMouseEvent(type, true, true, window, 1, 1, 1, center_x, center_y, false, false, false, false, 0, elem);
                // dispatchEvent return value is false if at least one of the event
                // handlers which handled this event called preventDefault;
                // so we cannot returns this results as it cannot accurately informs on the status
                // of the operation
                // let's assume the event has been sent ok it didn't raise any error
                elem.dispatchEvent(evt);
                return true;
            } catch (e) {
                this.log("Failed dispatching " + type + "mouse event on " + selector + ": " + e, "error");
                return false;
            }
        };

        /**
         * Processes a selector input, either as a string or an object.
         *
         * If passed an object, if must be of the form:
         *
         *     selectorObject = {
         *         type: <'css' or 'xpath'>,
         *         path: <a string>
         *     }
         *
         * @param  String|Object  selector  The selector string or object
         *
         * @return an object containing 'type' and 'path' keys
         */
        this.processSelector = function processSelector(selector) {
            var selectorObject = {
                toString: function toString() {
                    return this.type + ' selector: ' + this.path;
                }
            };
            if (typeof selector === "string") {
                // defaults to CSS selector
                selectorObject.type = "css";
                selectorObject.path = selector;
                return selectorObject;
            } else if (typeof selector === "object") {
                // validation
                if (!selector.hasOwnProperty('type') || !selector.hasOwnProperty('path')) {
                    throw new Error("Incomplete selector object");
                } else if (SUPPORTED_SELECTOR_TYPES.indexOf(selector.type) === -1) {
                    throw new Error("Unsupported selector type: " + selector.type);
                }
                if (!selector.hasOwnProperty('toString')) {
                    selector.toString = selectorObject.toString;
                }
                return selector;
            }
            throw new Error("Unsupported selector type: " + typeof selector);
        };

        /**
         * Removes all DOM elements matching a given XPath expression.
         *
         * @param  String  expression  The XPath expression
         * @return Array
         */
        this.removeElementsByXPath = function removeElementsByXPath(expression) {
            var a = document.evaluate(expression, document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
            for (var i = 0; i < a.snapshotLength; i++) {
                a.snapshotItem(i).parentNode.removeChild(a.snapshotItem(i));
            }
        };

        /**
         * Performs an AJAX request.
         *
         * @param   String   url     Url.
         * @param   String   method  HTTP method (default: GET).
         * @param   Object   data    Request parameters.
         * @param   Boolean  async   Asynchroneous request? (default: false)
         * @return  String           Response text.
         */
        this.sendAJAX = function sendAJAX(url, method, data, async) {
            var xhr = new XMLHttpRequest(),
                dataString = "",
                dataList = [];
            method = method && method.toUpperCase() || "GET";
            xhr.open(method, url, !!async);
            this.log("sendAJAX(): Using HTTP method: '" + method + "'", "debug");
            xhr.overrideMimeType("text/plain; charset=x-user-defined");
            if (method === "POST") {
                if (typeof data === "object") {
                    for (var k in data) {
                        dataList.push(encodeURIComponent(k) + "=" + encodeURIComponent(data[k].toString()));
                    }
                    dataString = dataList.join('&');
                    this.log("sendAJAX(): Using request data: '" + dataString + "'", "debug");
                } else if (typeof data === "string") {
                    dataString = data;
                }
                xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
            }
            xhr.send(method === "POST" ? dataString : null);
            return xhr.responseText;
        };

        /**
         * Sets a field (or a set of fields) value. Fails silently, but log
         * error messages.
         *
         * @param  HTMLElement|NodeList  field  One or more element defining a field
         * @param  mixed                 value  The field value to set
         */
        this.setField = function setField(field, value) {
            /*jshint maxcomplexity:99 */
            var logValue, fields, out;
            value = logValue = (value || "");
            if (field instanceof NodeList) {
                fields = field;
                field = fields[0];
            }
            if (!(field instanceof HTMLElement)) {
                var error = new Error('Invalid field type; only HTMLElement and NodeList are supported');
                error.name = 'FieldNotFound';
                throw error;
            }
            if (this.options && this.options.safeLogs && field.getAttribute('type') === "password") {
                // obfuscate password value
                logValue = new Array(value.length + 1).join("*");
            }
            this.log('Set "' + field.getAttribute('name') + '" field value to ' + logValue, "debug");
            try {
                field.focus();
            } catch (e) {
                this.log("Unable to focus() input field " + field.getAttribute('name') + ": " + e, "warning");
            }
            var nodeName = field.nodeName.toLowerCase();
            switch (nodeName) {
                case "input":
                    var type = field.getAttribute('type') || "text";
                    switch (type.toLowerCase()) {
                        case "color":
                        case "date":
                        case "datetime":
                        case "datetime-local":
                        case "email":
                        case "hidden":
                        case "month":
                        case "number":
                        case "password":
                        case "range":
                        case "search":
                        case "tel":
                        case "text":
                        case "time":
                        case "url":
                        case "week":
                            field.value = value;
                            break;
                        case "checkbox":
                            if (fields.length > 1) {
                                var values = value;
                                if (!Array.isArray(values)) {
                                    values = [values];
                                }
                                Array.prototype.forEach.call(fields, function _forEach(f) {
                                    f.checked = values.indexOf(f.value) !== -1 ? true : false;
                                });
                            } else {
                                field.checked = value ? true : false;
                            }
                            break;
                        case "file":
                            throw {
                                name:    "FileUploadError",
                                message: "File field must be filled using page.uploadFile",
                                path:    value
                            };
                        case "radio":
                            if (fields) {
                                Array.prototype.forEach.call(fields, function _forEach(e) {
                                    e.checked = (e.value === value);
                                });
                            } else {
                                out = 'Provided radio elements are empty';
                            }
                            break;
                        default:
                            out = "Unsupported input field type: " + type;
                            break;
                    }
                    break;
                case "select":
                case "textarea":
                    field.value = value;
                    break;
                default:
                    out = 'Unsupported field type: ' + nodeName;
                    break;
            }

            // firing the `change` and `input` events
            ['change', 'input'].forEach(function(name) {
                var event = document.createEvent("HTMLEvents");
                event.initEvent(name, true, true);
                field.dispatchEvent(event);
            });

            // blur the field
            try {
                field.blur();
            } catch (err) {
                this.log("Unable to blur() input field " + field.getAttribute('name') + ": " + err, "warning");
            }
            return out;
        };

        /**
         * Checks if a given DOM element is visible in remote page.
         *
         * @param  String  selector  CSS3 selector
         * @return Boolean
         */
        this.visible = function visible(selector) {
            try {
                var comp,
                    el = this.findOne(selector);

                if (el) {
                    comp = window.getComputedStyle(el, null);
                    return comp.visibility !== 'hidden' && comp.display !== 'none' && el.offsetHeight > 0 && el.offsetWidth > 0;
                }
                return false;
            } catch (e) {
                return false;
            }
        };
    };
})(typeof exports === "object" ? exports : window);

//拖动, 用法 $('目标的css selector').drags({handler:'拖动对象的css selector'})
//http://css-tricks.com/snippets/jquery/draggable-without-jquery-ui/
(function($) {
  $.fn.drags = function(opt) {
    opt = $.extend({
      handler: "",
      cursor: "move"
    }, opt);

    if(opt.handler === "") {
      var $el = this;
    } else {
      var $el = this.find(opt.handler);
    }

    return $el.css('cursor', opt.cursor).on("mousedown", function(e) {
      if(opt.handler === "") {
        var $drag = $(this).addClass('draggable');
      } else {
        var $drag = $(this).addClass('active-handle').parent().addClass('draggable');
      }
      var z_idx = $drag.css('z-index'),
        drg_h = $drag.outerHeight(),
        drg_w = $drag.outerWidth(),
        pos_y = $drag.offset().top + drg_h - e.pageY,
        pos_x = $drag.offset().left + drg_w - e.pageX;
      $drag.css('z-index', 1000).parents().on("mousemove", function(e) {
        $('.draggable').offset({
          top: e.pageY + pos_y - drg_h,
          left: e.pageX + pos_x - drg_w
        }).on("mouseup", function() {
          $(this).removeClass('draggable').css('z-index', z_idx);
        });
      });
      e.preventDefault(); // disable selection
    }).on("mouseup", function() {
      if(opt.handler === "") {
        $(this).removeClass('draggable');
      } else {
        $(this).removeClass('active-handle').parent().removeClass('draggable');
      }
    });
  }
})(unsafeWindow.$);
(function($){var i=function(e){if(!e)var e=window.event;e.cancelBubble=true;if(e.stopPropagation)e.stopPropagation()};$.fn.checkbox=function(f){try{document.execCommand('BackgroundImageCache',false,true)}catch(e){}var g={cls:'jquery-checkbox',empty:'empty.png'};g=$.extend(g,f||{});var h=function(a){var b=a.checked;var c=a.disabled;var d=$(a);if(a.stateInterval)clearInterval(a.stateInterval);a.stateInterval=setInterval(function(){if(a.disabled!=c)d.trigger((c=!!a.disabled)?'disable':'enable');if(a.checked!=b)d.trigger((b=!!a.checked)?'check':'uncheck')},10);return d};return this.each(function(){var a=this;var b=h(a);if(a.wrapper)a.wrapper.remove();a.wrapper=$('<span class="'+g.cls+'"><span class="mark"><img src="'+g.empty+'" /></span></span>');a.wrapperInner=a.wrapper.children('span:eq(0)');a.wrapper.hover(function(e){a.wrapperInner.addClass(g.cls+'-hover');i(e)},function(e){a.wrapperInner.removeClass(g.cls+'-hover');i(e)});b.css({position:'absolute',zIndex:-1,visibility:'hidden'}).after(a.wrapper);var c=false;if(b.attr('id')){c=$('label[for='+b.attr('id')+']');if(!c.length)c=false}if(!c){c=b.closest?b.closest('label'):b.parents('label:eq(0)');if(!c.length)c=false}if(c){c.hover(function(e){a.wrapper.trigger('mouseover',[e])},function(e){a.wrapper.trigger('mouseout',[e])});c.click(function(e){b.trigger('click',[e]);i(e);return false})}a.wrapper.click(function(e){b.trigger('click',[e]);i(e);return false});b.click(function(e){i(e)});b.bind('disable',function(){a.wrapperInner.addClass(g.cls+'-disabled')}).bind('enable',function(){a.wrapperInner.removeClass(g.cls+'-disabled')});b.bind('check',function(){a.wrapper.addClass(g.cls+'-checked')}).bind('uncheck',function(){a.wrapper.removeClass(g.cls+'-checked')});$('img',a.wrapper).bind('dragstart',function(){return false}).bind('mousedown',function(){return false});if(window.getSelection)a.wrapper.css('MozUserSelect','none');if(a.checked)a.wrapper.addClass(g.cls+'-checked');if(a.disabled)a.wrapperInner.addClass(g.cls+'-disabled')})}})(unsafeWindow.jQuery);
/*
 * JQuery URL Parser plugin, v2.2.1
 * Developed and maintanined by Mark Perkins, mark@allmarkedup.com
 * Source repository: https://github.com/allmarkedup/jQuery-URL-Parser
 * Licensed under an MIT-style license. See https://github.com/allmarkedup/jQuery-URL-Parser/blob/master/LICENSE for details.
 */ 

;(function(factory) {
	if (typeof define === 'function' && define.amd) {
		// AMD available; use anonymous module
		if ( typeof jQuery !== 'undefined' ) {
			define(['jquery'], factory);	
		} else {
			define([], factory);
		}
	} else {
		// No AMD available; mutate global vars
		if ( typeof jQuery !== 'undefined' ) {
			factory(jQuery);
		} else {
			factory();
		}
	}
})(function($, undefined) {
	
	var tag2attr = {
			a       : 'href',
			img     : 'src',
			form    : 'action',
			base    : 'href',
			script  : 'src',
			iframe  : 'src',
			link    : 'href'
		},
		
		key = ['source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'fragment'], // keys available to query
		
		aliases = { 'anchor' : 'fragment' }, // aliases for backwards compatability
		
		parser = {
			strict : /^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,  //less intuitive, more accurate to the specs
			loose :  /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/ // more intuitive, fails on relative paths and deviates from specs
		},
		
		toString = Object.prototype.toString,
		
		isint = /^[0-9]+$/;
	
	function parseUri( url, strictMode ) {
		var str = decodeURI( url ),
		res   = parser[ strictMode || false ? 'strict' : 'loose' ].exec( str ),
		uri = { attr : {}, param : {}, seg : {} },
		i   = 14;
		
		while ( i-- ) {
			uri.attr[ key[i] ] = res[i] || '';
		}
		
		// build query and fragment parameters		
		uri.param['query'] = parseString(uri.attr['query']);
		uri.param['fragment'] = parseString(uri.attr['fragment']);
		
		// split path and fragement into segments		
		uri.seg['path'] = uri.attr.path.replace(/^\/+|\/+$/g,'').split('/');     
		uri.seg['fragment'] = uri.attr.fragment.replace(/^\/+|\/+$/g,'').split('/');
		
		// compile a 'base' domain attribute        
		uri.attr['base'] = uri.attr.host ? (uri.attr.protocol ?  uri.attr.protocol+'://'+uri.attr.host : uri.attr.host) + (uri.attr.port ? ':'+uri.attr.port : '') : '';      
		  
		return uri;
	};
	
	function getAttrName( elm ) {
		var tn = elm.tagName;
		if ( typeof tn !== 'undefined' ) return tag2attr[tn.toLowerCase()];
		return tn;
	}
	
	function promote(parent, key) {
		if (parent[key].length == 0) return parent[key] = {};
		var t = {};
		for (var i in parent[key]) t[i] = parent[key][i];
		parent[key] = t;
		return t;
	}

	function parse(parts, parent, key, val) {
		var part = parts.shift();
		if (!part) {
			if (isArray(parent[key])) {
				parent[key].push(val);
			} else if ('object' == typeof parent[key]) {
				parent[key] = val;
			} else if ('undefined' == typeof parent[key]) {
				parent[key] = val;
			} else {
				parent[key] = [parent[key], val];
			}
		} else {
			var obj = parent[key] = parent[key] || [];
			if (']' == part) {
				if (isArray(obj)) {
					if ('' != val) obj.push(val);
				} else if ('object' == typeof obj) {
					obj[keys(obj).length] = val;
				} else {
					obj = parent[key] = [parent[key], val];
				}
			} else if (~part.indexOf(']')) {
				part = part.substr(0, part.length - 1);
				if (!isint.test(part) && isArray(obj)) obj = promote(parent, key);
				parse(parts, obj, part, val);
				// key
			} else {
				if (!isint.test(part) && isArray(obj)) obj = promote(parent, key);
				parse(parts, obj, part, val);
			}
		}
	}

	function merge(parent, key, val) {
		if (~key.indexOf(']')) {
			var parts = key.split('['),
			len = parts.length,
			last = len - 1;
			parse(parts, parent, 'base', val);
		} else {
			if (!isint.test(key) && isArray(parent.base)) {
				var t = {};
				for (var k in parent.base) t[k] = parent.base[k];
				parent.base = t;
			}
			set(parent.base, key, val);
		}
		return parent;
	}

	function parseString(str) {
		return reduce(String(str).split(/&|;/), function(ret, pair) {
			try {
				pair = decodeURIComponent(pair.replace(/\+/g, ' '));
			} catch(e) {
				// ignore
			}
			var eql = pair.indexOf('='),
				brace = lastBraceInKey(pair),
				key = pair.substr(0, brace || eql),
				val = pair.substr(brace || eql, pair.length),
				val = val.substr(val.indexOf('=') + 1, val.length);

			if ('' == key) key = pair, val = '';

			return merge(ret, key, val);
		}, { base: {} }).base;
	}
	
	function set(obj, key, val) {
		var v = obj[key];
		if (undefined === v) {
			obj[key] = val;
		} else if (isArray(v)) {
			v.push(val);
		} else {
			obj[key] = [v, val];
		}
	}
	
	function lastBraceInKey(str) {
		var len = str.length,
			 brace, c;
		for (var i = 0; i < len; ++i) {
			c = str[i];
			if (']' == c) brace = false;
			if ('[' == c) brace = true;
			if ('=' == c && !brace) return i;
		}
	}
	
	function reduce(obj, accumulator){
		var i = 0,
			l = obj.length >> 0,
			curr = arguments[2];
		while (i < l) {
			if (i in obj) curr = accumulator.call(undefined, curr, obj[i], i, obj);
			++i;
		}
		return curr;
	}
	
	function isArray(vArg) {
		return Object.prototype.toString.call(vArg) === "[object Array]";
	}
	
	function keys(obj) {
		var keys = [];
		for ( prop in obj ) {
			if ( obj.hasOwnProperty(prop) ) keys.push(prop);
		}
		return keys;
	}
		
	function purl( url, strictMode ) {
		if ( arguments.length === 1 && url === true ) {
			strictMode = true;
			url = undefined;
		}
		strictMode = strictMode || false;
		url = url || window.location.toString();
	
		return {
			
			data : parseUri(url, strictMode),
			
			// get various attributes from the URI
			attr : function( attr ) {
				attr = aliases[attr] || attr;
				return typeof attr !== 'undefined' ? this.data.attr[attr] : this.data.attr;
			},
			
			// return query string parameters
			param : function( param ) {
				return typeof param !== 'undefined' ? this.data.param.query[param] : this.data.param.query;
			},
			
			// return fragment parameters
			fparam : function( param ) {
				return typeof param !== 'undefined' ? this.data.param.fragment[param] : this.data.param.fragment;
			},
			
			// return path segments
			segment : function( seg ) {
				if ( typeof seg === 'undefined' ) {
					return this.data.seg.path;
				} else {
					seg = seg < 0 ? this.data.seg.path.length + seg : seg - 1; // negative segments count from the end
					return this.data.seg.path[seg];                    
				}
			},
			
			// return fragment segments
			fsegment : function( seg ) {
				if ( typeof seg === 'undefined' ) {
					return this.data.seg.fragment;                    
				} else {
					seg = seg < 0 ? this.data.seg.fragment.length + seg : seg - 1; // negative segments count from the end
					return this.data.seg.fragment[seg];                    
				}
			}
	    	
		};
	
	};
	
	if ( typeof $ !== 'undefined' ) {
		
		$.fn.url = function( strictMode ) {
			var url = '';
			if ( this.length ) {
				url = $(this).attr( getAttrName(this[0]) ) || '';
			}    
			return purl( url, strictMode );
		};
		
		$.url = purl;
		
	} else {
		window.purl = purl;
	}

});


(function(){var n=this,t=n._,r={},e=Array.prototype,u=Object.prototype,i=Function.prototype,a=e.push,o=e.slice,c=e.concat,l=u.toString,f=u.hasOwnProperty,s=e.forEach,p=e.map,h=e.reduce,v=e.reduceRight,d=e.filter,g=e.every,m=e.some,y=e.indexOf,b=e.lastIndexOf,x=Array.isArray,_=Object.keys,j=i.bind,w=function(n){return n instanceof w?n:this instanceof w?(this._wrapped=n,void 0):new w(n)};"undefined"!=typeof exports?("undefined"!=typeof module&&module.exports&&(exports=module.exports=w),exports._=w):n._=w,w.VERSION="1.4.4";var A=w.each=w.forEach=function(n,t,e){if(null!=n)if(s&&n.forEach===s)n.forEach(t,e);else if(n.length===+n.length){for(var u=0,i=n.length;i>u;u++)if(t.call(e,n[u],u,n)===r)return}else for(var a in n)if(w.has(n,a)&&t.call(e,n[a],a,n)===r)return};w.map=w.collect=function(n,t,r){var e=[];return null==n?e:p&&n.map===p?n.map(t,r):(A(n,function(n,u,i){e[e.length]=t.call(r,n,u,i)}),e)};var O="Reduce of empty array with no initial 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/**
 * @class Utils 辅助类
 */
function utils(){
};

var cfgDefault = {
    'comment_sidebar': true
  , 'answer_orderByTime': false
  , 'AuthorList':false
  , 'ShowComment':true
  , 'HomeLayout':false
  , 'QuickFavo':true
  , 'QuickFavoPinned':{}
  , 'AuthorRear':false
  , 'HomeNoti':false
  , 'QuickBlock':false
  , 'Noti7':true
  , 'HomeFeedsColumns':false
  , 'RightComment_AutoScrollPageWhenClosing':true
};
  
/**
 * 读取配置
 */
utils.getCfg = function(key){
  if(!key)return false;
  var cfg = _.extend(cfgDefault, this.getValue('izhihu',cfgDefault));
  return key ? cfg[key] : cfg;
};

utils.setCfg = function(key,value){
  if(!key)return;
  var cfg = _.extend(cfgDefault, this.getValue('izhihu',cfgDefault));
  cfg[key]=value;
  this.setValue('izhihu',cfg);
};

/**
 * 读取存储
 */
utils.getValue = function(key, defaultValue){
    var v=localStorage[key];
    if(v)
        return JSON.parse(v);
    else
        return defaultValue;
};

/**
 * 写入存储
 */
utils.setValue = function(key, value){
  localStorage[key] = JSON.stringify(value);
};

/**
 * 删除存储
 */
utils.deleteValue = function(key){
  return delete localStorage[key];
};

utils.transferOldCfg=function(){
    var oldHomeLayout = localStorage['izh_HomeLayout']
      , oldAuthorList = localStorage['izh_AuthorList']
      , oldShowComment = localStorage['izh_ShowComment']
      , oldQuickFavo = localStorage['izh_QuickFavo']
      , oldAuthorRear = localStorage['izh_AuthorRear']
      , oldHomeNoti = localStorage['izh_HomeNoti']
    ;
    if(oldHomeLayout){
        izhHomeLayout=oldHomeLayout;
        localStorage.removeItem('izh_HomeLayout');
        this.setCfg('HomeLayout',izhHomeLayout);
    }
    if(oldAuthorList){
        izhAuthorList=oldAuthorList;
        localStorage.removeItem('izh_AuthorList');
        this.setCfg('AuthorList',izhAuthorList);
    }
    if(oldShowComment){
        izhRightComment=oldShowComment;
        localStorage.removeItem('izh_ShowComment');
        this.setCfg('ShowComment',izhRightComment);
    }
    if(oldQuickFavo){
        izhQuickFavo=oldQuickFavo;
        localStorage.removeItem('izh_QuickFavo');
        this.setCfg('QuickFavo',izhQuickFavo);
    }
    if(oldAuthorRear){
        izhAuthorRear=oldAuthorRear;
        localStorage.removeItem('izh_AuthorRear');
        this.setCfg('AuthorRear',izhAuthorRear);
    }
    if(oldHomeNoti){
        izhHomeNoti=oldHomeNoti;
        localStorage.removeItem('izh_HomeNoti');
        this.setCfg('HomeNoti',izhHomeNoti);
    }

};


/**
 * @method formatStr
 *
 * 格式化字符串模版,支持2种格式:
 *
 *     formatStr("i can speak {language} since i was {age}",{language:'javascript',age:10});
 *     formatStr("i can speak {0} since i was {1}",'javascript',10);
 *
 * 如果不希望被转义,则用两个括号,如: `formatStr("i can speak {0} since i was {{1}",'javascript',10);`
 *
 */
utils.formatStr = function(tpl,obj){
  obj = typeof obj === 'object' ? obj : Array.prototype.slice.call(arguments, 1);
  return tpl.replace(/\{\{|\}\}|\{(\w+)\}/g, function (m, n){
    if (m == "{{") { return "{"; }
    if (m == "}}") { return "}"; }
    return obj[n];
  });
};

utils.getParamInQuery=function(queryStr,paramName){
    var param=paramName+'='
      , start=queryStr.indexOf(param)+param.length
      , end=queryStr.indexOf('&',start);
    return end<start?queryStr.substring(start):queryStr.substring(start,end);
};

utils.observeDOMAttrModified = (function(){
    var MutationObserver = window.MutationObserver || window.WebKitMutationObserver,
        eventListenerSupported = window.addEventListener;

    return function(obj, callback){
        if( MutationObserver ){
            // define a new observer
            var obs = new MutationObserver(function(mutations, observer){
                if( mutations[0].type == 'attributes' )
                    callback(mutations[0]);
            });
            obs.observe( obj, { attributes:true });
        }else if( eventListenerSupported ){
            obj.addEventListener('DOMAttrModified', callback, false);
        }
    }
})();

utils.observeDOMNodeAdded = (function(){
    var MutationObserver = window.MutationObserver || window.WebKitMutationObserver,
        eventListenerSupported = window.addEventListener;

    return function(obj, callback){
        if( MutationObserver ){
            // define a new observer
            var obs = new MutationObserver(function(mutations, observer){
                mutations.forEach(function(mutation) {
                    console.log(mutation.type);
                    callback(mutation);
                  });    
            });
            obs.observe( obj, { childList:true });
        }else if( eventListenerSupported ){
            obj.addEventListener('DOMNodeInserted', callback, false);
        }
    }
})();

//console.log((new Date()).getTime());

var $ = unsafeWindow.$;
var _ = this._;
var purl = window.purl||$.url;

//使用CasperJS的模拟用户操作： http://casperjs.org/api.html#client-utils
var client = window.create();

var url = purl();
var page = url.segment(1);

//主入口
$(function main(){
	console.log('iZhihu '+version+' started.');
	//console.log(window.iZhihu);
	//console.log((new Date()).getTime());
});

var pageIs={}
  , $win=$(unsafeWindow)
  , _doc=window.document
  , $body=$(_doc.body)
  , _path=window.frameElement?window.frameElement.src.replace(/https?:\/\/www.zhihu.com/,''):url.data.attr['path']
  , css=''
  , $h=$('head')
  , $s=$('<style type="text/css"></style>')
  , iPathAnswers=_path.indexOf('/answers')
  , iPathCollection=_path.indexOf('/collection')
;
pageIs.Home='/'==_path;
pageIs.Answer=0<_path.indexOf('/answer/');
pageIs.Question=!pageIs.Answer&&0==_path.indexOf('/question/');
pageIs.Answers=0<iPathAnswers&&_path.substr(iPathAnswers)=='/answers';
pageIs.Collection=0==iPathCollection;
pageIs.Debuts=0==_path.indexOf('/debuts/');
pageIs.MyCollection=0==_path.indexOf('/collections/mine');

var i=0
  , $user=$('.zu-top-nav-userinfo')//user_avater
  , z=$user.length?$user.attr('href'):''
  , $banner=$(document.body).children().first()
  , $main=$('[role=main]')//main
  , css_AuthorListItemA='padding:0 10px 0 0;'
  , css_AuthorListItemA_name='padding:0 5px;'
  , cbemptyimg = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAMAAAAoyzS7AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAAZQTFRFAAAAAAAApWe5zwAAAAF0Uk5TAEDm2GYAAAAMSURBVHjaYmAACDAAAAIAAU9tWeEAAAAASUVORK5CYII=';
;

window.iZhihu = {
    $win:$win
  , $body:$body
  , $main:$main
  , config:_.extend(cfgDefault, utils.getValue('izhihu',cfgDefault))
};

var izhHomeLayout = window.iZhihu.config['HomeLayout']
  , izhAuthorList = window.iZhihu.config['AuthorList']
  , izhRightComment = window.iZhihu.config['ShowComment']
  , izhQuickFavo = window.iZhihu.config['QuickFavo']
  , izhAuthorRear = window.iZhihu.config['AuthorRear']
  , izhHomeNoti = window.iZhihu.config['HomeNoti']
  , izhQuickBlock = window.iZhihu.config['QuickBlock']
;

utils.transferOldCfg();

$body.attr({
    'izhHomeLayout' : izhHomeLayout?'1':''
  , 'izhAuthorList' : izhAuthorList?'1':''
  , 'izhRightComment' : izhRightComment?'1':''
  , 'izhQuickFavo' : izhQuickFavo?'1':''
  , 'izhAuthorRear' : izhAuthorRear?'1':''
  , 'izhHomeNoti' : izhHomeNoti?'1':''
  , 'izhQuickBlock' : izhQuickBlock?'1':''
});

var _QuickBlock = new QuickBlock(window.iZhihu)
  , _QuickFavo = new QuickFavo(window.iZhihu)
  , _Comment = new Comment(window.iZhihu)
  , _Noti7 = new Noti7(window.iZhihu)
  , _Answer = new Answer(window.iZhihu)
;

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         ,'div.uno .frame{overflow-x:hidden;overflow-y:auto;direction:rtl}'
         ,'div.uno span.meT,div.uno span.meB,div.uno ul.pp li span.me{position:absolute;right:0;display:block;height:1px;width:1px;line-height:1px;background-color:transparent;border-style:solid;border-color:transparent;}'
         ,'div.uno span.meT{border-width:6px 4px;border-top-width:0px;border-bottom-color:#fff;}'
         ,'div.uno span.meB{border-width:6px 4px;border-bottom-width:0px;border-top-color:#fff;margin-top:-7px;}'
         ,'div.uno ul{background-color:#0771C1;padding:0;margin:0;direction:ltr}'
         ,'div.uno ul li{display:block;list-style-type:none;margin:0;padding:0;white-space:nowrap;}'
         ,'div.uno ul li a{display:block;}div.uno li a.sel{text-decoration:none;}'
         ,'div.uno ul li a{'+css_AuthorListItemA+'}'
         ,'div.uno ul.pp li span.me{position:static;margin:6px -8px;border-width:4px 6px;border-right-color:#fff;float:right;}'
         ,'div.uno li a span.name{text-align:right;display:block;'+css_AuthorListItemA_name+'background-color:#fff;}div.uno li a.sel span.name{color:#fff;background-color:#0771C1;}'
         ,'div.uno li a span.name.noname{color:#000;}'
         ,'div.uno li a span.name.collapsed{color:#999999;}'
         ,'div.uno li a span.name.friend{font-style:italic;}'
         ,'div.uno li span.hp{background-color:#999999;position:relative;float:right;margin-top:-2px;line-height:2px;height:2px;}'
         ,'div.uno table.plus{float:right;margin:7px -9px;height:7px;border-collapse:collapse;border-style:hidden;}div.uno table.plus td{border:1px solid #fff;width:1px;height:1px;}'
         ,'div.uno a.sel table.plus{}div.uno a.sel table.plus td{}'
         ,'div.uno li a span.func{text-align:center;}'
         ,'div.izh-answer-preview{position:fixed;margin-top:1px;background-color:#fff;border:1px solid #0771C1;border-top-width:22px;border-top-right-radius:6px;box-shadow:5px 5px 5px #777;}'
         ,'div.izh-answer-preview .zm-editable-content{top:0;bottom:0;left:0;right:0;overflow-y:auto;padding:10px;}'
         ,'div.izh-answer-preview img.zm-list-avatar{position:absolute;right:10px;top:-35px;border:1px solid #0771C1;border-radius:6px;}'
         ,'div.izh-answer-preview span.comment{position:absolute;top:-18px;line-height:18px;border-top-right-radius:3px;background-color:#fff;padding:0 5px;}'
         ,''].join('\n');
}
css+=['.z-icon-izh-fold{background-position:-173px -107px;width:15px;height:15px;}'
     ,''].join('\n');
css+=['.t_set_tb{font-family:"Lucida Sans Unicode","Lucida Grande",Sans-Serif !important;font-size:12px !important;text-shadow:none !important;border-collapse:collapse !important;margin:0 !important;line-height:120%}'
     ,'.t_set_tb thead td{background:#0080c0;color:#fff;border:none !important;padding:4px 8px 4px !important;border-top-left-radius:6px;border-top-right-radius:6px}'
     ,'.t_set_tb th,.t_set_tb td{padding:8px;background:#e7f3f9;border:none !important;border-top:2px solid #fcfcfc !important;color:#669;line-height:1.1em !important}'
     ,'.t_set_tb td input,.t_set_tb td textarea{font-size:12px !important;padding:0 !important}'
     ,'.t_set_tb tbody tr:hover th,.t_set_tb tbody tr:hover td{background:#d0dafd}'
     ,'.t_set_tb tfoot td{border-radius-bottomleft:10px;border-radius-bottomright:10px;-moz-border-radius-bottomleft:10px;-moz-border-radius-bottomright:10px;-webkit-border-bottom-left-radius:10px;-webkit-border-bottom-right-radius:10px}'
     ,'.t_jchkbox{display:inline;font-size:20px;line-height:15px;padding-right:4px;cursor:pointer;cursor:hand}'
     ,'.t_jchkbox .mark{display:inline}'
     ,'.t_jchkbox img{vertical-align:middle;width:45px;height:15px}'
     ,'.t_jchkbox img{background:transparent url("data:image/png;base64,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") no-repeat}'
     ,'.t_jchkbox img{background-position:0 0}'
     ,'.t_jchkbox-hover img{background-position:0 -15px}'
     ,'.t_jchkbox-checked img{background-position:0 -30px}'
     ,'.t_jchkbox-checked .t_jchkbox-hover img{background-position:0 -45px}'
     ,'.t_jchkbox-disabled img{background-position:0 -60px}'
     ,'.t_jchkbox-checked .t_jchkbox-disabled img{background-position:0 -75px}'
     ,'.t_set_tb td{white-space:nowrap;}'
     ,'.t_set_tb td .icon-help{float:right;}'
     ,''].join('\n');
css+=['.izh_boxShadow{box-shadow: 5px 5px 3px 0px #999 !important;}'
     ,'#zh-question-meta-wrap.izh_noBorder{border-bottom-color:transparent !important;}'
     ,'#zh-question-filter-wrap.izh_noBorder{border-top-color:transparent !important;}'
     ,'a.izh-button.on{color:#225599;text-shadow:0 0 1px #225599;}'
     ,'a.izh-button .zg-icon{opacity:0.5;}'
     ,'a.izh-button.on .zg-icon{opacity:1;}'
     ,'a.izh-button.off{color:#eee;}'
     ,'a.izh-button.off .zg-icon{opacity:0.2;}'
     ,'.izh-feeds-filter{}'
     ,'.izh-feeds-filter .izh-feeds-filter-option{opacity:0.5;color:#999999;padding-left:5px;text-decoration:none;cursor:pointer;}'
     ,'.izh-feeds-filter .izh-feeds-filter-option i{background-position:-183px -4px;}'
     ,'.izh-feeds-filter .izh-feeds-filter-option.on{opacity:1;color:#225599;}'
     ,'.izh-feeds-filter .izh-feeds-filter-option.on i{background-position:-183px -24px;}'
     ,''].join('\n');
if(izhHomeLayout){
    css +=  ['#zh-question-list { padding-left:30px!important }'
            ,'#zh-main-feed-fresh-button { margin-left:-30px!important }'
            ,'.feed-item {'
            ,'    border-bottom:1px solid #EEE!important;'
            ,'    margin-top:-1px!important'
            ,'}'
            ,'.feed-item .avatar { display:none!important }'
            ,''
            ,'.feed-main,.feed-item.combine { margin-left:0!important }'
            ,'.feed-item-q { margin-left:-30px!important;padding-left:0!important }'
            ,''
            ,window.iZhihu.Comment.RightComment ? '' : '.feed-item-a .zm-comment-box { max-width:602px!important }'
            ,window.iZhihu.Comment.RightComment ? '' : '.feed-item-q .zm-comment-box { max-width:632px!important; width:632px!important }'
            ,''
            ,'.zm-tag-editor,'
            ,'#zh-question-title,'
            ,'#zh-question-detail,'
            ,'#zh-question-meta-wrap,'
            ,'.zh-answers-title,'
            ,'#zh-question-filter-wrap {'
            ,'    margin-left:-32px!important'
            ,'}'
            ,''
            ,'#zh-question-log-page-wrap .zm-tag-editor,'
            ,'#zh-question-log-page-wrap #zh-question-title {'
            ,'    margin-left:0 !important'
            ,'}'
            ,''
            ,'.zh-answers-title,'
            ,'#zh-question-filter-wrap {'
            ,'    border-bottom:1px solid #EEE!important;'
            ,'    z-index:1000!important'
            ,'}'
            ,''
            ,'#zh-question-meta-wrap {'
            ,'    margin-bottom:0!important;'
            ,'    padding-bottom:10px!important;'
            ,'    border-bottom:1px solid #EEE!important'
            ,'}'
            ,''
            ,'#zh-question-answer-wrap { margin-top:-1px!important }'
            ,''
            ,'#zh-question-collapsed-wrap,#zh-question-answer-wrap { border:none!important }'
            ,'.zu-question-collap-title { border-top:1px solid #EEE!important }'
            ,'#zh-question-collapsed-wrap>div:last-child,.zm-item-answer:last-child { border-bottom:1px solid #EEE!important }'
            ,''
            ,'.zu-autohide,'
            ,'.zm-comment-op-link,'
            ,'.zm-side-trend-del,'
            ,'.unpin {'
            ,'    visibility:visible!important;'
            ,'    opacity:0;'
            ,'}'
            ,'.feed-item:hover .zu-autohide,'
            ,'.zm-item-answer .zu-autohide,'
            ,'.zm-item-comment:hover .zm-comment-op-link,'
            ,'.zm-side-trend-row:hover .zm-side-trend-del,'
            ,'.zm-side-nav-li:hover .unpin {'
            ,'    opacity:1;'
            ,'}'
            ,'.zm-item-vote-count:hover,.zm-votebar button:hover{'
            ,'    background:#a6ce56!important;'
            ,'    color:#3E5E00 !important'
            ,'}'
            ,''
            ,'a,a:hover,'
            ,'i,'
            ,'.zu-autohide,'
            ,'.zm-votebar button,'
            ,'.zm-item-comment:hover .zm-comment-op-link,'
            ,'.zm-comment-op-link,'
            ,'.zm-side-trend-row:hover .zm-side-trend-del,'
            ,'.zm-side-trend-del,'
            ,'.zm-side-nav-li,'
            ,'.zu-main-feed-fresh-button,'
            ,'.zg-icon,'
            ,'.zm-side-nav-li:hover .zg-icon,'
            ,'.zm-side-nav-li:hover i,'
            ,'.unpin,'
            ,'.zm-side-nav-li:hover .unpin {'
            ,'    -moz-transition:color .2s linear,opacity .15s linear,background-color .2s linear,background-position .2s linear .1s;'
            ,'    -webkit-transition:color .2s linear,opacity .15s linear,background-color .2s linear,background-position .2s linear .1s;'
            ,'    transition:color .2s linear,opacity .15s linear,background-color .2s linear,background-position .2s linear .1s;'
            ,'}'
            ,''
            ,'h3{ line-height:25px }'
            ,'.zu-footer-inner {padding:15px 0!important}'
            ,'.zm-side-pinned-topics .zm-side-nav-li{float:left;padding-right:30px!important}'
            ,'.zm-side-list-content{clear:both}'
            ,'.unpin{ display:inline-block!important }'
           ,''].join('\n');
}

var css_comment='';
if(pageIs.Home||pageIs.Question||pageIs.Answer){
    css_comment = window.iZhihu.Comment.css;
}

if(window.iZhihu.QuickFavo){
    css += window.iZhihu.QuickFavo.css;
}
if(window.iZhihu.QuickBlock){
    css += window.iZhihu.QuickBlock.css;
}
if(window.iZhihu.Noti7){
    css += window.iZhihu.Noti7.css;
    window.iZhihu.Noti7.enhance();
}
var heads = _doc.getElementsByTagName("head");
if (heads.length > 0) {
    var node = _doc.createElement("style");
    node.type = "text/css";
    node.id = "izhCSS_main";
    node.appendChild(_doc.createTextNode(css));
    heads[0].appendChild(node); 
    if(css_comment!=''){
        node = _doc.createElement("style")
        node.type = "text/css";
        node.id = "izhCSS_comment";
        node.appendChild(_doc.createTextNode(css_comment));
        heads[0].appendChild(node);
    }
}

if(!$('.modal-dialog-bg').length){
    $body.append('<div id="izh-dlg-bg" class="modal-dialog-bg" style="z-index:85;opacity:0.5;position:fixed;top:0;bottom:0;left:0;right:0;display:none;"></div>');
}

window.iZhihu.getItem=function($c){
    var $item=$(null);
    if($c && $c.length){ 
        var $itemMeta=$c.closest('.zm-item-meta');
        if ($itemMeta.is('.feed-meta') || $itemMeta.parent().is('.feed-meta')){
            $item=$c.closest('.feed-item');
            $item.attr('data-aid', $item.children('meta[itemprop=answer-id]').attr('content'))
        }else if($itemMeta.is('.answer-actions')){
            $item=$c.closest('.zm-item-answer,.feed-item');
        }else{
            $item=$itemMeta.prev();
        }
    }
    return $item;
};

/**
 * @class Answer
 */
function Answer(iZhihu) {
    if ( typeof iZhihu === 'undefined' || !iZhihu) {
        return null;
    }
    iZhihu.Answer = this;

    this._e=null;
    this.ppWidth=0;
    this.ppHeight=400;

  	this.processAnswer=function($a,$pp,bAuthorRear,bAuthorList){
        if(!$a||!$a.length)return;
        if($a.attr('izh_processed')=='1')return;
        var selCollapse='.meta-item[name=collapse]'
          , $meta=$a.find('.zm-item-meta')
          , $author=$a.find('.zm-item-answer-author-info')
          , $favo=$a.find('.meta-item[name=favo]')
          , $fold=!$a.has('.zh-summary > .toggle-expand').length?null:$('<button/>',{
                'class':'down izh-button fold'
              , html:'收起'
              , click:function(){
                    var $vote=$(this).closest('.zm-votebar')
                      , $answer=$vote.is('.goog-scrollfloater-floating')?null:$vote.closest('.feed-item')
                      , $fold=$answer==null?iZhihu.Answer.$Fold:$answer.find('.zm-item-meta:first '+selCollapse)
                    ;
                    if($fold&&$fold.length){
                        iZhihu.Answer.$Folding=$vote.closest('.entry-body');
                        $fold.get(0).click();
                    }
              	}
            })
          , $vote=$a.find('.zm-votebar')
        ;
        if($vote.length){
            $vote.append($fold).bind('DOMNodeRemoved',function(event){
                var $vote=$(event.target);
                if($vote.is('.zm-votebar')){
                    iZhihu.Answer.$Fold=$vote.closest('.feed-item').find('.zm-item-meta:first '+selCollapse);
                }
            });
        	if($author)$author.find('[name=collapse]').hide();
        	$a.find('.feed-main .entry-body [name=collapse]').hide();
        }
        $meta.find(selCollapse).click(function(){
            if(!iZhihu.Answer.$Folding)return;
            var scrollObj=window.iZhihu4CRX?document.body:document.documentElement
              , $meta=$(this).closest('.feed-meta')
              , $answer=$meta.prev()
              , scrollTop=iZhihu.Answer.$Folding.children('.zm-votebar').length?scrollObj.scrollTop
                      :($answer.closest('.feed-item').offset().top-iZhihu.$body.children().first().height())
            ;
        	scrollTop+=$answer.outerHeight();
            var $summary=$answer.find('.zh-summary').show()
              , offset=0;
            scrollTop-=$summary.outerHeight();
            $summary.hide();
            if(!$answer.find('.zm-item-vote-info.empty').length)
                offset=1;
            if($answer.prev().is(':hidden'))offset+=2;
            $(scrollObj).scrollTop(scrollTop+offset);
            iZhihu.Answer.$Folding=null;
        });
        if(iZhihu.QuickBlock){
            // Region: 快速屏蔽
            var $voteInfo=$('.zm-item-vote-info',$a);
            if($('[name=more]',$voteInfo).length){
                $voteInfo.parent().bind('DOMNodeInserted',function(event){
                    iZhihu.QuickBlock.addQuickBlock($(event.target),iZhihu.QuickBlock);
                });
            }
            // Region end
        }
        if($author.length){//relocatePersonInfo
            if(bAuthorRear){
                $author.css({
                    'textAlign':'right'
                });
                if($a.is('.feed-item')){
                    $a.find('.entry-body .zm-item-answer-detail .zm-item-rich-text')
                        .append($author.hide()).bind('DOMNodeInserted',function(event){
                            var $c=$(event.target);
                            if($c.is('.zm-editable-content')){
                                $(this).children('.zm-item-answer-author-info')
                                    .insertBefore($c.children('.answer-date-link-wrap'))
                                    .css({
                                        'position':'absolute'
                                      , 'right':0
                                    }).show();
                            }
                        });
                }else{
                    $author.insertBefore($meta);
                }
            }
            $author=$author.children().first().children().eq(1);
            if ($pp && bAuthorList){
                // Region: 回答目录项
                var collapsed=$a.attr('data-collapsed')=='1'
                  , $ppla=$('<a>',{
                            href:'#answer-'+$a.attr('data-aid')
                          , target:'_self'
                          , style:css_AuthorListItemA
                        })
                  , $ppl=$('<li>').append($ppla)
                  , $uno=iZhihu.$unoAnswers
                if(collapsed){
                    $ppl.appendTo($pp)
                }else{
                    $ppl.insertBefore($uno.$endOfLastA)
                }
                if($a.attr('data-isowner')=='1'){
                    iZhihu.Answer._e=$a.get(0);
                    $ppla.append('<span class="me"></span>');
                }
                var nameCSS='name';
                if($a.attr('data-isfriend')=='1'){
                    nameCSS+=' friend';
                }
                if(collapsed){
                    nameCSS+=' collapsed'
                }
                if(!$author.length){
                    nameCSS+=' noname';
                }
                $('<span>',{
                    'class':nameCSS
                  , html:!$author.length?'匿名用户':$author.html()
                  , style:css_AuthorListItemA_name
                }).appendTo($ppla);
                if ($ppl.width()>iZhihu.Answer.ppWidth)
                    iZhihu.Answer.ppWidth=$ppl.width();
                // Region end
                // Region: 回答篇幅指示
                var nHP=Math.ceil($('.zm-editable-content',$a).text().length/100);
                $('<span>',{
                    'class':'hp'
                }).css({'width':nHP*10,'margin-left':-nHP*10}).appendTo($ppla);
                // Region end
                $ppla.mouseover(function(){
                    var $frm=$(this.parentNode.parentNode.parentNode)
                      , $uno=iZhihu.$unoAnswers
                    $(this).addClass('sel');
                    if(iZhihu.Answer._e){
                        $uno.children('.meT').css('display',0>iZhihu.Answer._e.offsetTop-$frm.scrollTop()?'':'none');
                        $uno.children('.meB').css('display',$frm.height()<iZhihu.Answer._e.offsetTop-$frm.scrollTop()+iZhihu.Answer._e.offsetHeight?'':'none');
                    }
                    // Region: 回答预览
                    var nam=$('span.name',this);
                    if(!nam.length)return;
                    var aid=$(this).attr('href').replace('#answer-','')
                      , prv=$uno.next('.izh-answer-preview')
                      , top=$(this).position().top+$uno.position().top
                      , sel='.zm-item-answer[data-aid='+aid+'] > .zm-item-rich-text'
                      , ctx=nam.is('.collapsed')?'#zh-question-collapsed-wrap':'#zh-question-answer-wrap'
                      , div=$(sel,ctx)
                      , htm=div.html()
                      , cmt=$('.zm-item-meta > .zu-question-answer-meta-comment',div.parent())
                    ;
                    if(!prv.length){
                        prv=$('<div>',{
                                'class':div.class
                            })
                            .addClass('izh-answer-preview').width(div.width()+22)
                            .mouseover(function(){$uno.mouseover();$('li a[href=#'+$(this).attr('data-aid')+']',$uno).addClass('sel');$(this).show();})
                            .mouseout(function(){$uno.mouseout();$('li a[href=#'+$(this).attr('data-aid')+']',$uno).removeClass('sel');$(this).hide();})
                            .click(function(){$('li a[href=#'+$(this).attr('data-aid')+']',$uno)[0].click();})
                            .insertAfter($uno)
                        ;
                    }
                    if(prv.attr('data-aid')!=aid){
                        prv.attr('data-aid',aid).html(htm).find('a').attr('onclick','return false;');
                        if($('span.me',this).length)
                            prv.find('a.zu-edit-button').remove();
                        if(!nam.hasClass('noname'))
                            $('img.zm-list-avatar',div.parent()).clone().appendTo(prv);
                        var t=cmt.text(),i=t.indexOf('条评论');
                        if(cmt.length&&i>0)
                            $('<span>',{'class':'comment',html:t.substring(0,i)}).prepend(cmt.children('i').clone()).appendTo(prv);
                    }
                    var th=div.height()+33
                      , maxTop=$uno.position().top+12
                      , contentPosition='';
                    if(maxTop+th<$win.height()){
                        if(top+th<$win.height()){
                            prv.css({'top':top>maxTop?top:maxTop,'bottom':''});
                        }else{
                            prv.css({'top':'','bottom':0});
                        }
                    }else{
                        prv.css({'top':maxTop,'bottom':0});
                        contentPosition='absolute';
                    }
                    prv.css({'left':$uno.width()}).show().children().first().css('position',contentPosition);
                    // Region end
                }).mouseout(function(){
                    $(this).removeClass('sel');
                    var $uno=$(this.parentNode.parentNode.parentNode.parentNode);
                    $uno.next().hide();
                }).click(function(){$(this).mouseout();
                iZhihu.$unoAnswers.css('left',9-iZhihu.$unoAnswers.width());});
                if(iZhihu.Answer._e==$a.get(0)){
                    iZhihu.Answer._e=$ppla.get(0);
                }
            }
        }

        if(iZhihu.QuickFavo)
            iZhihu.QuickFavo.addQuickFavo($favo,$a);

        $meta.bind('DOMNodeInserted',function(event){
            iZhihu.Comment.processComment($(event.target));
        });
        
        iZhihu.Comment.processCommentButton($a);

        var $cm=$('.zm-comment-box',$a);
        if($cm.length && $cm.is(':visible')){
        	var focusName = iZhihu.Comment.scrollFocusCommentOnPageLoad($cm);
    
            iZhihu.Comment.metaScrollToViewBottom($cm.closest('.zm-item-meta'),function(){
                iZhihu.Comment.processComment($cm, focusName);
            });
        }
        
        $a.attr('izh_processed','1');
    };

    return this;
}

/**
 * @class Comment
 */
function Comment(iZhihu) {
    if ( typeof iZhihu === 'undefined' || !iZhihu) {
        return null;
    }
    iZhihu.Comment = this;

    var css_comment={
            'background-color':'#fff'
          , 'outline':'none'
          , 'z-index':'9999'
          , 'border-radius':'0 6px 0 0'
          , 'position':'absolute'
          , 'visibility':'hidden'
          , 'top':-70
        }
    ;
    this.RightComment = iZhihu.config['ShowComment'];
    this.AutoScrollPageWhenClosing = iZhihu.config['RightComment_AutoScrollPageWhenClosing'];
    if (!this.RightComment){
        this.css = 
            ['.zm-comment-box.empty .izh-button-cc{display:none;}'
            ,''].join('\n');
    } else {
        this.css = 
            ['.mention-popup{z-index:10000 !important;}'
            ,'.zm-item-meta .meta-item.toggle-comment{display:block;float:right;margin-left:7px !important;}'
            ,'.zm-comment-box{position:absolute;margin-top:0;}'
            ,'.zm-comment-box .icon-spike{display:none !important;}'
            ,'.zm-comment-box > .zm-comment-box-ft{position:absolute;top:0;left:0;right:0;}'
            ,'.zm-comment-box.empty{padding-top:10px !important;}'
            ,'.zm-comment-box > .zm-comment-form{margin:15px !important;}'
            ,'.zm-comment-box.empty > .zm-comment-form{bottom:25px;}'
            ,'.zm-comment-box > .zm-comment-form .zm-comment-editable{position:absolute;bottom:60px;top:0;left:0;right:0;overflow:auto;}'
            ,'.zm-comment-box.empty > .zm-comment-form .zm-comment-editable{bottom:25px;}'
            ,'.zm-comment-box > .zm-comment-form .zm-command{position:absolute;left:0;right:0;bottom:40px;}'
            ,'.zm-comment-box.empty > .zm-comment-form .zm-command{bottom:10px;}'
            ,'.zm-comment-box [class^=izh-buttons-cm]{position:absolute;top:70px;}'
            ,'.zm-comment-box.empty [class^=izh-buttons-cm]{top:auto;bottom:30px;z-index:10;}'
            ,'.zm-comment-box .izh-buttons-cm-L{left:0;}'
            ,'.zm-comment-box .izh-buttons-cm-L > a{margin-right:7px;}'
            ,'.zm-comment-box .izh-buttons-cm-R{right:1em;}'
            ,'.zm-comment-box .izh-buttons-cm-R > a{margin-left:7px;}'
            ,'.zm-comment-box a.izh-button.on{color:#225599;text-shadow:0 0 1px #225599;}'
            ,'.zm-comment-box a.izh-button .zg-icon{opacity:0.5;}'
            ,'.zm-comment-box a.izh-button.on .zg-icon{opacity:1;}'
            ,'.zm-comment-box a.izh-button.off{color:#eee;}'
            ,'.zm-comment-box a.izh-button.off .zg-icon{opacity:0.2;}'
            //,'.zm-comment-box.empty [class^=izh-buttons-cm]{top:auto;bottom:7px;}'
            ,'.zm-comment-box.empty .zm-comment-list{visibility:hidden;}'
            ,'.zm-comment-box .zm-comment-list .zm-item-comment[izh_hilight]{background-color:rgb(255,255,160);}'
            ,'.zm-comment-box .izh-button.on .zg-icon-comment-like{background-position:-222px -79px;}'
            ,'.zm-comment-box .izh-button .z-icon-fold{height:6px;}'
            ,''].join('\n');
        iZhihu.$win.load(function(){
            var iZhihu=window.iZhihu;
            iZhihu.$win.scroll(function(event){
                if(iZhihu.Comment.Opening&&!iZhihu.Comment.PageNotScroll){
                    var animate=true;
                    iZhihu.Comment.box($(iZhihu.Comment.Opening),true,animate);
                }
            });
        
            iZhihu.$win.resize(function(event){
                if(iZhihu.Comment.Opening){
                    var $cm=$(iZhihu.Comment.Opening);
                    iZhihu.Comment.Opening = null;
                    iZhihu.Comment.close(null,$cm);
                    iZhihu.Comment.open(null,$cm);
                }
            });
            if(iZhihu.ScrollTop){
                document.body.scrollTop=iZhihu.ScrollTop;
            }
        });
    }
    this.processCommentButton = function($a){
        if(iZhihu.Comment.RightComment){
            var $bc=$a.find('.meta-item.toggle-comment');
            $bc.prependTo($bc.parent());
        }
    };
    this.scrollFocusCommentOnPageLoad = function($cm){
        if(!iZhihu.Comment.RightComment)return;
        var focusName=url.data.attr.fragment;
        if(!focusName||focusName=='')return;
    	if(window.iZhihu4CRX){
            var $icm2C=$cm.find('.zm-comment-list .zm-item-comment a.zg-anchor-hidden[name="'+focusName+'"]').parent()
              , offsetTop=$icm2C.length?$icm2C.offset().top:0
            ;if(offsetTop){document.body.scrollTop=offsetTop;}
    	}
        return focusName;
    };
    
    this.metaScrollToViewBottom = function($itemMeta,funcAfterScroll,always,animate){
        if(!iZhihu.Comment.RightComment || !iZhihu.Comment.AutoScrollPageWhenClosing){
            if(funcAfterScroll){funcAfterScroll();}
            return;
        }
        if(typeof always === 'undefined')always=true;//if false, scrolling only when the .zm-item-meta out of visible range
        if(typeof animate === 'undefined')animate=false;//if false, scrolling instantly
        if(always)$itemMeta.children('.zm-comment-box').css('position','fixed');
        var winHeight=iZhihu.$win.height()
          , scrollObj=window.iZhihu4CRX?document.body:document.documentElement
          , scrollTopNow=scrollObj.scrollTop
          , navHeight=iZhihu.$body.children().first().height()
          , bar=$('.zu-global-notify.zu-global-notify-info:visible')
          , barHeight=!bar.length?0:bar.outerHeight()
          , baseTop=((barHeight&&bar.css('position')=='fixed')?barHeight:(scrollTopNow>barHeight?0:barHeight-scrollTopNow))+navHeight
          , maxHeight=winHeight-baseTop
          , metaHeight=$itemMeta.innerHeight()
          , offsetTop=$itemMeta.offset().top
          , offsetBottom=offsetTop+metaHeight
          , $item=iZhihu.getItem($itemMeta)
          , itemHeight=$item.innerHeight()
          , offsetTopA=$item.offset().top
          , offsetBottomA=offsetTopA+itemHeight
          , scrollTopEnd=itemHeight>maxHeight?offsetBottom-winHeight:(offsetTopA<=scrollTopNow?offsetTopA-baseTop:offsetBottom-winHeight)
        ;
        if(!always){
            always=offsetTop<scrollTopNow+baseTop||offsetBottom>scrollTopNow+winHeight-baseTop;
        }
        if(always){
            iZhihu.ScrollTop=scrollTopEnd;
            if(animate){
                $(scrollObj).animate({'scrollTop':scrollTopEnd},funcAfterScroll);
        	}else{
                $(scrollObj).scrollTop(scrollTopEnd);
                if(funcAfterScroll){funcAfterScroll();}
        	}
        }else{
            if(funcAfterScroll){funcAfterScroll();}
        }
    };
    this.box = function($cm,keepSize,animate){if(!$cm||!$cm.length)return;
        $cm.stop();
        if(typeof keepSize === 'undefined')keepSize=false;
        if(typeof animate === 'undefined')animate=false;
        var winHeight=iZhihu.$win.height()
          , th=keepSize?parseInt($cm.attr('izh_cmHeight')):0
          , scrollTop=(document.body.scrollTop)?document.body.scrollTop:document.documentElement.scrollTop
          , navHeight=iZhihu.$body.children().first().height()
          , bar=$('.zu-global-notify.zu-global-notify-info:visible')
          , barHeight=!bar.length?0:bar.outerHeight()
          , baseTop=((barHeight&&bar.css('position')=='fixed')?barHeight:(scrollTop>barHeight?0:barHeight-scrollTop))+navHeight
          , minHeight=112
          , maxHeight=winHeight-baseTop-35
          , tooSmall=maxHeight<minHeight
          , $meta=$cm.closest('.zm-item-meta')
          , metaHeight=2*$meta.height()-$meta.innerHeight()
          , offsetTop=scrollTop-$meta.offset().top
          , offsetBottom=-offsetTop-winHeight
        ;if(tooSmall)maxHeight=minHeight;
        if(!th||isNaN(th)){
            var $t=$cm.clone().css({'position':'absolute','z-index':'-1'}).appendTo(document.body).show()
              , $l=$t.children('.zm-comment-list')
            ;
            if(!$cm.is('.empty')&&$l.children().length>0)$l.css({'position':'absolute','height':'','top':'','bottom':''});
            th=$l.height();
            th+=th==0?minHeight:100;
            $t.remove();$t=null;//console.log(th);
            $cm.css('height',th<=minHeight?minHeight:(th<maxHeight?th-100:maxHeight-80));
        }
        var target={},other={'height':''};
        $cm.attr('izh_cmHeight',th).css({'display':'','visibility':'visible','position':'absolute'});
        if(th<=maxHeight){
            var top=-offsetTop-70,fixHeight=(th<=minHeight?-1:7);
            if(!tooSmall&&top+th>winHeight){
                target={'top':-offsetBottom-th-metaHeight+fixHeight,'bottom':offsetBottom};
            }else{
                offsetTop+=((!tooSmall)&&top>baseTop?top:baseTop);
                target={'top':offsetTop,'bottom':-offsetTop-th-metaHeight+fixHeight};
            }
            $cm.filter('.empty').find('.zm-comment-form .zm-comment-editable').css({'bottom':''});
        }else{
            target={'top':offsetTop+baseTop,'bottom':offsetBottom};
            $cm.filter('.empty').find('.zm-comment-form .zm-comment-editable').css({'bottom':'20px'});
        }
        if(animate){
            $cm.animate(target,function(){$cm.css(other);});
        }else{
            $cm.css($.extend(target,other));
        }
        $cm;
    };
    this.open = function($ac,$cm,icmFocus){// if $ac is null, just re-sizing and re-locating comment-box
        var noCommentOpening = iZhihu.Comment.Opening == null;
        iZhihu.Comment.Opening = $cm.attr('izh-opening','1').css({'display':'none'}).get(0);
        $('.zm-comment-box:visible:not([izh-opening=1])')
            .each(function(i,e){
                $(e).css('visibility','hidden').closest('.zm-item-meta').find('.toggle-comment')[0].click();
            });
        var winWidth=iZhihu.$win.width()
          , mcLeft=iZhihu.$main.offset().left
          , $ct=$cm.closest('.zu-main-content-inner')
          , ctMarginL=parseInt($ct.css('margin-left'))
          , ctWidth=$ct.width()+ctMarginL
          , ctLeft=$ct.offset().left-ctMarginL
          , $meta=$cm.closest('.zm-item-meta')
          , mtWidth=$meta.innerWidth()
          , minWidth=iZhihu.$main.width()-ctWidth
          , cmWidth=mtWidth
          , maxWidth=winWidth-ctWidth
          , o=function(){
                $cm.attr('opened','1');
        		if(!$ac){
                    iZhihu.Comment.box($cm);
                    return;
        		}
                var currTop=_doc.body.scrollTop
                  , $n=$ac.next(),$n=$n.length?$n:$ac.parent().next()
                  , t=$ac.offset().top-iZhihu.$main.offset().top
                  , b=$ac.offset().top-iZhihu.$main.offset().top
                  , w=$ac.width()
                  , inAnswer=$ac.is('.zm-item-answer')
                  , inQuestion=$ac.is('#zh-question-detail')
                  , $questionMeta=$('#zh-question-meta-wrap')//question_meta
                  , h=inQuestion?$questionMeta.offset().top+$questionMeta.height()+parseInt($questionMeta.css('padding-bottom'))-iZhihu.$main.offset().top
                                     :$ac.height()+parseInt($ac.css('padding-bottom'))+parseInt($n.css('padding-top'))
                ;
                if(!$ac.find('.izh_tape_a,.izh_tape_b').length)
                    $('<div class="izh_tape_a"></div><div class="izh_tape_b"></div>').appendTo($ac);
                if(!$cm)$cm=$ac.find('.zm-comment-box');
                if($cm.length){
                    if(!$cm.attr('tabindex')){
                        $cm.attr('tabindex','-1').focus();
                    }
                    if(inQuestion){
                        $('#izh_QuestionShadow').css({
                            'height':h
                          , 'margin-bottom':-h
                        }).show();
                        $questionMeta.next(':visible').andSelf().addClass('izh_noBorder');
                    }else{
                        $ac.addClass('izh_boxShadow');
                    }
                    $ac.find('.izh_tape_a').css({
                        'position':'absolute'
                      , 'width':1
                      , 'height':h
                      , 'top':0
                      , 'margin-left':w-1
                      , 'z-index':'10000'
                      , 'background-color':'#fff'
                    }).show();
        
                    iZhihu.Comment.box(
                        $cm.css({'left':mtWidth-1}).attr('izh_inQuestion',inQuestion?'1':'0').removeAttr('izh-opening')
                    );
                    
                    $('.mention-popup').attr('data-aid',$ac.attr('data-aid'));
                }else{
                    $ac.find('.zu-question-answer-meta-comment')[0].click();
                }
                $ac.find('.izh_tape_b').css({
                    'position':'absolute'
                  , 'width':1
                  , 'height':h
                  , 'top':0
                  , 'margin-left':w
                  , 'z-index':'9998'
                  , 'background-color':'#eee'
                }).show();
                //$ac.css('border-color','#999999');
                //$n.css('border-color','#999999');
                $('.zh-backtotop').css('visibility','hidden');
                iZhihu.$body.scrollTop(currTop);
                if(icmFocus){
                    var $icm=$(icmFocus).attr('izh_hilight','1')
                      , $list=$icm.closest('.zm-comment-list');
                    $list.scrollTop(icmFocus.offsetTop-$list.get(0).offsetTop);
                    iZhihu.Comment.HiLightItem=icmFocus;
                    iZhihu.Comment.HiLightColor='rgb(255,255,160)';
                    $icm.click(function(){
                        var iZhihu=window.iZhihu;
                        if(iZhihu&&iZhihu.Comment.HiLightItem){
                            $(iZhihu.Comment.HiLightItem).removeAttr('izh_hilight');
                        }
                    });
                }
            };

        if(maxWidth>549)maxWidth=549;
        if(cmWidth>maxWidth)
            cmWidth=maxWidth;
        if(cmWidth<minWidth)
            cmWidth=minWidth;
        $cm.addClass('izh_boxShadow').css($.extend(css_comment,{'width':cmWidth-9}));
        //if(!$cm.is('.empty'))
            $cm.css({'padding':'100px 0px 0px 7px'});
        $('i.zm-comment-bubble',$cm).hide();
        if(noCommentOpening){
            var cmWidthOver=cmWidth-winWidth
              , shiftLeft=cmWidthOver+ctWidth+ctLeft
            ;
            if(shiftLeft>0){
                if(shiftLeft>ctLeft){shiftLeft=mcLeft;}
                else if(cmWidthOver>0){shiftLeft-=cmWidthOver;}
            }
            if(shiftLeft<0){shiftLeft=0;}
            if(shiftLeft && $ac){
                $ct.css({'position':'relative','left':0}).animate({left:-shiftLeft},o);
            }else{
                $ct.css({'position':'relative','left':-shiftLeft});
                o();
            }
        }else{
            o();
        }	
    };
    this.close = function($ac,$cm){
        if(!$cm)$cm=$ac.find('.zm-comment-box');
        var $ct=$cm.closest('.zu-main-content-inner');
        var o=function(){
            $(this).css('position','');
            if(!$ac)return;
            var $n=$ac.next()
              , $n=$n.length?$n:$ac.parent().next()
              , inQuestion=$ac.is('#zh-question-detail');
            if(!$ac){return;}
            if(inQuestion){
                $('#izh_QuestionShadow').hide();
                $('#zh-question-meta-wrap').next(':visible').andSelf().removeClass('izh_noBorder');
            }else{
                $ac.removeClass('izh_boxShadow');
            }
            //$ac.css('border-color','#DDDDDD');
            //$n.css('border-color','#DDDDDD');
            $('.izh_tape_a:visible,.izh_tape_b:visible').hide();
            $('.zh-backtotop').css('visibility','visible');
        };

        if(iZhihu.Comment.Opening == $cm.get(0)){
            iZhihu.Comment.Opening = null;
            $ct.animate({left:0},o);
        }else{
            if(!$ac){$ct.css({left:0});}
            o();
        }
        
    };
    this.processComment = function($cm,focusName){
        var loading=false;
        if($cm.is('.zm-comment-spinner')){
            $cm=$cm.closest('.zm-comment-box');
            loading=true;
        }
        if(!$cm.is('.zm-comment-box'))return;
        var $item=iZhihu.getItem($cm);
        if(iZhihu.Comment.RightComment&&loading){
            var cmLeft=$item.width()-1;
            $cm.css({'left':cmLeft,'width':216,'z-index':'10000'});
        }
        if($cm.filter('.zm-comment-box').has('.zm-comment-list').length){
/* Collections for comment
            $cm.find('.zm-comment-editable').bind('DOMNodeInserted',function(event){
                var $c=$(event.target),$cm=$c.closest('.zm-comment-box');
                if($c.is('a.member_mention')){
                    if($cm.children('.izh_collections').length<=0){
                        $('<div class="izh_collections">loading...</div>').bind('mouseover',function(){
                            $(this).show();
                        }).bind('mouseout',function(){
                            $(this).hide();
                        }).appendTo($cm);
                    }
                    $c.bind('mouseover',function(){
                        var $ce=$(this).closest('.zm-comment-editable'),$cm=$(this).closest('.zm-comment-box');
                        $cm.children('.izh_collections').css({
                            'bottom':$(this).height()-$(this).position().top-1
                          , 'left':$(this).position().left
                        }).show();
                        $.post('http://www.zhihu.com'+$(this).attr('href')+'/collections'
                          , $.param({_xsrf:$('input[name=_xsrf]').val()})
                          , function(result,status,xhr){
                                console.log(result);
                            });
                    });
                    $c.bind('mouseout',function(){
                        var $ce=$(this).closest('.zm-comment-editable'),$cm=$(this).closest('.zm-comment-box');
                        $cm.children('.izh_collections').hide();
                    });
                }
            });
*/
            if(iZhihu.Comment.RightComment){
                $cm.closest('.zm-item-meta').find('.toggle-comment').click(function(event){
                    var $openedBy=$(this)
                      , $ac=$openedBy.closest('.zm-item-meta')
                      , $cm=($ac.parent().is('.zm-item-meta.feed-meta')?$ac.parent():$ac).find('.zm-comment-box').css('visibility','hidden')
                    ;
                    if($cm.length){
                        var $item=iZhihu.getItem($cm);
                        if($cm.is(':hidden')){
                            iZhihu.Comment.open($item,$cm);
                        }else{
                            iZhihu.Comment.close($item,$cm);
                        }
                    }
                });
            }
            //if($cm.is('.empty')) return;
            var $list=$cm.find('.zm-comment-list');
            $list.bind('DOMNodeInserted',function(event){
            //utils.observeDOMNodeAdded($list[0],function(event){
            	/*if(!event.addedNodes)return;
                console.log('Nodes '+event.addedNodes.length+' inserted');
            	for(var i=0;i<event.addedNodes.length;i++){
            		var $icm=$(event.addedNodes[i]);
                }*/
                var $icm=$(event.target).filter('.zm-item-comment,.zm-comment-form');
                if(!$icm.length)return;
                var $list=$(this)
                  , $cm=$list.closest('.zm-comment-box:visible');
                if($icm.is('.zm-item-comment')){
                    //console.log($icm);
                    if(iZhihu.QuickBlock){
                        //console.log('Adding QuickBlock');
                        iZhihu.QuickBlock.addQuickBlockInOneComment($icm);
                    }
                    if(iZhihu.Comment.RightComment){
                        $list.css('height','100%');
                        $icm.show().bind('DOMNodeRemoved',function(event){
                            var $icm=$(event.target);
                            if(!$icm.is('.zm-item-comment'))return;
                            var $list=$icm.hide().closest('.zm-comment-list')
                              , $cm=$list.closest('.zm-comment-box:visible');
                            if($cm.length){
                                //console.log('Refreshing comment list');
                                if($list.children().length==1){
                                    $('.izh-quick-block-switch',$cm).add('.izh-buttons-cm-R',$cm).hide();
                                }
                                iZhihu.Comment.box($cm,false,false);
                            }
                        });
    
                        if($cm.length){
            	            var countNow=$list.children().length
                        	  , countAll=parseInt($cm.attr('data-count'))
                              , countRest=countAll-countNow
                              , notAll=$(this).has('.load-more').length
                        	;
                            if((!notAll)&&countRest>1){
                            	return;
                            }
                            //console.log('Refreshing comment list');
                            $('.izh-quick-block-switch',$cm).add('.izh-buttons-cm-R',$cm).show();
                            iZhihu.Comment.box($cm,false,false);
                            if(notAll||countRest<0)$list.scrollTop($icm.get(0).offsetTop);
                        }
                    }
                }else if($icm.is('.zm-comment-form')){
                    if(iZhihu.Comment.RightComment){
                        if($cm.length){
                            var $rcm=$icm;
                            $icm=$rcm.closest('.zm-item-comment');
                            $rcm.find('a.zm-comment-close.zm-command-cancel').click(function(event){
                                var $rcm=$(this).closest('.zm-comment-form').hide()
                                  , $cm=$rcm.closest('.zm-comment-box:visible');
                                if($cm.length){
                                    iZhihu.Comment.box($cm,false,false);
                                }
                            });
                            $rcm.parent().find('a.reply.zm-comment-op-link').click(function(event){
                                var $rcm=$(this).closest('.zm-comment-content-wrap').children('.zm-comment-form').toggle()
                                  , $icm=$(this).closest('.zm-item-comment')
                                  , $list=$icm.closest('.zm-comment-list')
                                  , $cm=$list.closest('.zm-comment-box:visible');
                                if($cm.length){
                                    iZhihu.Comment.box($cm,false,false);
                                    if($rcm.is(':visible'))$list.scrollTop($icm.get(0).offsetTop-$list.get(0).offsetTop);
                                    $rcm.toggle();
                                }
                            });
                            iZhihu.Comment.box($cm,false,false);
                            $list.scrollTop($icm.get(0).offsetTop-$list.get(0).offsetTop);
                        }
                    }
                }
            });
            var cmClose=function(event,alsoScrollToViewBottom){
                    var $cm=$(this).closest('.zm-comment-box');
                		if($(this).is('[name=closeform]')&&(!$cm.is('.empty')))return;
                    var $item=iZhihu.getItem($cm)//.attr('tabindex','-1').focus().removeAttr('tabindex')
                      , $itemMeta=$cm.closest('.zm-item-meta')
                      , alsoScroll=this.getAttribute('izh-alsoScrollToViewBottom')||''
                      , scrollTop=(document.body.scrollTop)?document.body.scrollTop:document.documentElement.scrollTop
                    ;
                    if(alsoScroll!=='1'){
                        $itemMeta.find('.toggle-comment')[0].click();
                        setTimeout(function(){
                            document.body.scrollTop=scrollTop;
                            document.documentElement.scrollTop=scrollTop;
                        },100);
                        return;
                    }
                    iZhihu.Comment.metaScrollToViewBottom($itemMeta,function(){
                        $itemMeta.find('.toggle-comment')[0].click();
                    },false,true);
                }
              , $btnCC=$('<a>',{
                    'class':'zu-question-answer-meta-comment izh-button-cc'
                  , href:'javascript:void(0);'
                  , html:'收起'
                  , click:cmClose
                  , 'data-tip':'s$t$收起评论并跳转至所属回答'
                })
              , $buttonsL=$('<div>',{
                	'class':'izh-buttons-cm-L'
                }).prependTo($cm)
              , $buttonsR=$('<div>',{
                	'class':'izh-buttons-cm-R'
                })
            ;
            if(iZhihu.Comment.RightComment){
                $cm.children('.zm-comment-form').find('[name=closeform]').click(cmClose);
                $btnCC.clone(true).css({
                    'background-image': 'url("/static/img/sprites-1.8.2.png")'
                  , 'background-position': '-261px -62px'
                  , 'background-repeat': 'no-repeat'
                  , 'display': 'inline-block'
                  , 'width': 15
                  , 'height': 15
                  , 'position': 'absolute'
                  , 'left': 0
                  , 'top': 0
                  , 'z-index': '10000'
                }).attr('data-tip','s$l$收起评论').html('').prependTo($cm)
                $buttonsR.prependTo($cm);
                if($list.children().length==0){
                    $buttonsR.hide();
                }
                $btnCC.css({
                    'float':'left'
                  , 'margin-left':7
                }).attr('izh-alsoScrollToViewBottom','1').prepend('<i class="z-icon-izh-fold"/>').prependTo($buttonsL);
                $('<a>',{
                    'class':'izh-button izh-back-top'
                  , 'data-tip':'s$l$返回顶部'
                  , href:'javascript:void(0);'
                  , html:'<i class="zg-icon z-icon-fold"></i>'
                  , click:function(){
                        $(this.parentNode).nextAll('.zm-comment-list').scrollTop(0);
                    }
                }).add('<a>',{
                    'class':'izh-button izh-show-good'
                  , 'data-tip':'s$l$人气妙评'
                  , href:'javascript:void(0);'
                  , html:'<i class="zg-icon zg-icon-comment-like"></i>'
                  , click:function(){
                       var $e=$(this)
                         , $c=$e.closest('.zm-comment-box')
                         , $l=$c.find('.zm-comment-list')
                         , $n=$l.find('.zm-item-comment').has('span.like-num.nil')
                       ;
                       if($e.hasClass('on')){
                           $e.attr('scrollTop_showgood',$l[0].scrollTop);
                           $n.show();
                           iZhihu.Comment.box($c,false,false);
                           $e.removeClass('on');
                           var scrollTop = parseInt($e.attr('scrollTop'));
                           if(!isNaN(scrollTop))
                               $l.scrollTop(scrollTop);
                       }else{
                           $e.attr('scrollTop',$l[0].scrollTop);
                           $n.hide();
                           iZhihu.Comment.box($c,false,false);
                           $e.addClass('on');
                           var scrollTop = parseInt($e.attr('scrollTop_showgood'));
                           if(!isNaN(scrollTop))
                               $l.scrollTop(scrollTop);
                       }
                    }
                }).css({
                    'float':'right'
                }).appendTo($buttonsR);

                iZhihu.Comment.PageNotScroll = true;
                $list.scroll(function(){
                    var $e=$(this)
                      , $b=$e.closest('.zm-comment-box').find('.izh-back-top')
                    ;
                    if($e.height() < this.scrollTop){
                        $b.removeClass('off');
                    }else{
                        $b.addClass('off');
                    }
                }).scroll();
                iZhihu.Comment.PageNotScroll = false;

                var icmFocus=null;
                    $list.css({
                        'height':$cm.is('.empty')?'':'100%'
                      , 'overflow':'auto'
                    });
                $list.children('.zm-item-comment').each(function(i,e){
                    var $icm=$(e);
                    $icm.bind('DOMNodeRemoved',function(event){
                        var $icm=$(event.target);
                        if(!$icm.is('.zm-item-comment'))return;
                        var $cm=$icm.hide().closest('.zm-comment-box:visible');
                        if($cm.length){
                            if($(this).closest('.zm-comment-list').children().length==1){
                                $('.izh-quick-block-switch',$cm).add('.izh-buttons-cm-R',$cm).hide();
                            }
                            iZhihu.Comment.box($cm,false,false);
                        }
                    });
                    $icm.find('span.like-num').each(function(i,e){
                        var tip=e.getAttribute('data-tip').replace('s$r$','s$l$');
                        if(tip!='')e.setAttribute('data-tip',tip);
                    });
                    if (!icmFocus&&focusName&&focusName!=''
                        && $icm.children('a.zg-anchor-hidden[name="'+focusName+'"]').length){
                        icmFocus=$icm.get(0);
                    }
                });
                iZhihu.Comment.open($item,$cm,icmFocus);
                utils.observeDOMNodeAdded($cm.children('.zm-comment-form').children('.zm-comment-editable')[0],function(event){
                    var $e=$(event.target)
                      , $f=$e.closest('.zm-comment-form')
                      , $l=$f.prev('.zm-comment-list')
                      , $c=$f.closest('.zm-comment-box[opened=1]')
                      , ch=$c.height()
                      , winHeight=iZhihu.$win.height()
                      , scrollTop=document.documentElement.scrollTop+document.body.scrollTop
                      , navHeight=iZhihu.$body.children().first().height()
                      , bar=$('.zu-global-notify.zu-global-notify-info:visible')
                      , barHeight=!bar.length?0:bar.outerHeight()
                      , baseTop=((barHeight&&bar.css('position')=='fixed')?barHeight:(scrollTop>barHeight?0:barHeight-scrollTop))+navHeight
                      , minHeight=112
                      , maxHeight=winHeight-baseTop-35
                    ;
                    if(!$c.length)return;
                    if(!$c.is('.empty')&&$l.children().length>0){
                        lh=$l.height();
                    }else{
                        lh=0;
                    }
                    var $t=$e.clone().appendTo(document.body)
                    	    .css({'position':'absolute','z-index':'-1','width':$e.width(),'min-height':22})
                      , eh=$t.height()
                      , h=Math.max(eh,lh)+(lh==0?90:100)
                    ;
                    $t.remove();$t=null;
                    if(isNaN(ch)||ch!=h){
                        $c.attr('izh_cmHeight',h);
                        iZhihu.Comment.box($c,true,false);
                    }
                    if(!$f.is('.expanded')&&event.addedNodes.length){
                        $f.css({'height':'','bottom':''});
                    }else{
                        eh+=30;
                        $f.css(lh==0||eh>ch?{'height':'','bottom':25}:{'height':eh,'bottom':''});
                    }
                });
            }else{
                $btnCC.prepend('<i class="z-icon-fold"/>')
                .css({
                    'position':'absolute'
                  , 'cursor':'pointer'
                  , 'margin-left':-1
                  , 'left':0
                  , 'background-color':'#fbfbfb'
                  , 'padding':'2px 5px'
                  , 'bottom':-22
                  , 'border':'1px solid #ddd'
                  , 'border-radius':'4px'
                }).insertBefore($cm.find('.zm-comment-box-ft'));
            }
            if(iZhihu.QuickBlock){
                iZhihu.QuickBlock.addQuickBlockInCommentList($buttonsL);
            }
        }
    };

    return this;
}

/**
 * @class Noti7
 */
function Noti7(iZhihu) {
    if ( typeof iZhihu === 'undefined' || !iZhihu || !iZhihu.config['Noti7']) {
        return null;
    }
    iZhihu.Noti7 = this;
    
    this.$noti7 = $('#zh-top-nav-live-new');
    this.$frame = $('.zm-noti7-frame',this.$noti7);
    this.$content = $('.zm-noti7-content-body',this.$noti7);
    this.$footer = $('.zm-noti7-popup-footer',this.$noti7);
    this.$tab = $('.zm-noti7-popup-tab-container','#zh-top-nav-live-new-inner');

    this.css = 
        ['#zh-top-nav-live-new .zm-noti7-popup-footer a[unreadonly="1"]{color:#225599 !important;text-shadow:0 0 1px #225599;}'
        ,''].join('\n');
    this.enhance = function(){
        iZhihu.Noti7.$tab.find('.zm-noti7-popup-tab-item').each(function(i,e){
            utils.observeDOMAttrModified(e,function(event){
                var $e=$(event.target);
                if($e.is('.zm-noti7-popup-tab-item.current')){
                	var currentClass=$e.attr('class')
                	  , $bFilterRead=$('.izh-filter-read',iZhihu.Noti7.$footer);
                	if(currentClass!=$bFilterRead.attr('currentClass')){
                	    $bFilterRead.attr({'unreadOnly':'','currentClass':currentClass});
                	}
                }
            });
        });
        iZhihu.Noti7.$footer.append(
            $('<a>',{
                'class':'izh-filter-read'
              , html:'隐藏已读'
              , href:'javascript:void(0);'
              , 'unreadOnly':''
              , click:function(){
                    var unreadOnly=this.getAttribute('unreadOnly')=='1'
                      , $contentVisible=iZhihu.Noti7.$content.filter(':visible')
                      , $scroller=$contentVisible.closest('.zh-scroller-inner')
                      , $items=$contentVisible.find('.zm-noti7-content-item')
                    ;
                    unreadOnly=!unreadOnly;
                    this.setAttribute('unreadOnly',unreadOnly?'1':'');
                    if(unreadOnly){
                        $scroller.attr('scrollTop',$scroller[0].scrollTop);
                        $items.not('.unread').hide();
                        var scrollTop = parseInt($scroller.attr('scrollTop_unread'));
                        if(!isNaN(scrollTop))
                            $scroller.scrollTop(scrollTop);
                    }else{
                        $scroller.attr('scrollTop_unread',$scroller[0].scrollTop);
                        $items.not('.unread').show();
                        var scrollTop = parseInt($scroller.attr('scrollTop'));
                        if(!isNaN(scrollTop))
                            $scroller.scrollTop(scrollTop);
                    }
                }
              
            })
        );
    };

    return this;
}

/**
 * @class QuickBlock
 */
function QuickBlock(iZhihu) {
    if ( typeof iZhihu === 'undefined' || !iZhihu || !iZhihu.config['QuickBlock']) {
        return null;
    }
    iZhihu.QuickBlock = this;
    
/*
    var css_QuickBlock = {
            'background-position':'-146px -202px'
          , 'width':16
          , 'height':16
      	}
    ;
*/
    this.Pending = {Users:',',Count:0};
    this.Blocking = {Users:',',Count:0};
    this.Unfollowed = {Users:',',Count:0};
    this.Refollowed = {Users:',',Count:0};
    this.css = 
        ['.izh_blockCart{background-color:#0771C1;position:fixed;right:0;z-index:9;padding:0 30px 0 60px;border:1px solid #0771C1;border-left-width:10px;border-top-left-radius:6px;}'
        ,'.izh_blockCart .do{color:#fff;text-align:center;display:block;margin:2px;min-width:80px;width:100%;height:20px;}'
        ,'.izh_blockCart.pending .do:after{text-decoration:blink;color:red;}'
        ,'.izh_blockCart .do:after{position:relative;content:attr(izh_num2B);}'
        ,'.izh_blockCart .do .button{color:#fff;}'
        ,'.izh_blockCart .frame{overflow-y:auto;overflow-x:hidden;position:absolute;top:25px;bottom:0;left:0;right:0;background-color:#fff;padding-top:5px;}'
        ,'.izh_blockCart .list{display:block;margin:2px;width:100%;padding-right:5px;}'
        ,'.izh_blockCart .list .rel{border-width:0 2px;border-style:solid;border-color:#fff;width:24px;height:18px;}'
        ,'.izh_blockCart .list.i_fo .rel{border-left-color:#259;background-position:-120px -184px;}'
        ,'.izh_blockCart .list.fo_i .rel{border-right-color:#259;background-position:-120px -164px;}'
        ,'.izh_blockCart .list.i_fo.fo_i .rel{background-position:-78px -200px;}'
        ,'.izh_blockCart .user2B{display:block;margin:2px 0;padding:0 40px 0 60px;}'
        ,'.izh_blockCart .user2B i.zg-icon{display:block;position:absolute;right:0;margin-top:5px;}'
        ,'.izh_blockCart .user2B .name{display:block;color:#fff;background-color:#000;white-space:nowrap;padding:2px 5px;border-radius:3px;}'
        ,'.izh_blockCart .list .user2B.unfo .name{background-color:#f00;}'
        ,'.izh_blockCart .user2B .del{display:block;position:absolute;margin-left:-4.5em;}'
        ,'.izh_blockCart .user2B i.say{display:block;position:absolute;margin-left:-44px;border-radius:6px 6px 0 6px;border:1px solid #999;padding:0 5px 0 3px;}'
        ,'.izh_blockCart .user2B i.say_1{display:block;position:absolute;margin-left:-10px;height:6px;background-color:#fff;width:6px;margin-top:17px;border-bottom:1px solid #999;}'
        ,'.izh_blockCart .user2B i.say_2{display:block;position:absolute;margin-left:-9px;height:6px;background-color:#fff;width:6px;margin-top:17px;border-radius:0 0 0 6px;border:1px solid #999;border-width:0 0 1px 1px}'
        ,'.izh-quick-block{position:absolute;text-align:center;width:4em;margin-top:1.5em;white-space:nowrap;}'
        ,'.izh-quick-block [class^=izh-quick-block]{position:absolute;display:block;white-space:nowrap;}'
        ,'.izh-quick-block:after{content:attr(izh_num2B);margin-top:1em;display:block;}'
        ,'.zm-comment-hd .izh-quick-block-pend{position:absolute;left:0;top:40px;}'
        ,''
        ].join('\n');
    this.unblockAll = function(){
        $('.zg-btn-unfollow').each(function(i,e){
            var uid=$(e).attr('id').slice(4);
            $.post('http://www.zhihu.com/settings/unblockuser',$.param({
                _xsrf:$('input[name=_xsrf]').val()
              , uid:uid
            }),function(r){console.log(r);});
        });
	};
	this.doUnfollow = function($e){
	    var uid=$e.attr('uid');
	    $.post('http://www.zhihu.com/node/MemberFollowBaseV2'
	      , $.param({
	            method:'unfollow_member'
	          , params:JSON.stringify({'hash_id':uid})
	          , _xsrf:$('input[name=_xsrf]').val()
            })
	      , function(r){
                var query=decodeURIComponent(this.data)
                  , params=utils.getParamInQuery(query,'params')
                ;
                eval('params='+params);console.log(params);
                var bid='fb-'+params.hash_id
                  , who=bid+','
                  , unfollowed=iZhihu.QuickBlock.Unfollowed
                  , refollowed=iZhihu.QuickBlock.Refollowed
                  , $cartDIV=$('#izh_blockCart')
                  , $user=$cartDIV.find('.user2B[uid='+params.hash_id+']')
                  , $list=$user.closest('.list')
                ;
                $user.prependTo($list.next().next());
                if(unfollowed.Users.indexOf(','+who)<0)
                    unfollowed.Users += who;
                if(refollowed.Users.indexOf(','+who)>=0)
                    refollowed.Users = refollowed.replace(','+who,',');
	        }
	      );
	};
    this.doQuickBlock = function($e){
        var blocking = iZhihu.QuickBlock.Blocking
          , href = $e.attr('href')
          , who = href.split('/').pop()+','
        ;
        if(typeof blocking === 'undefined' || !blocking){
            blocking = iZhihu.QuickBlock.Blocking = { Users:',', Count:0 };
        }else if(blocking.Users.indexOf(','+who) >= 0){
            return; // Already blocking
        }
        var $cartDIV=$('#izh_blockCart');
        $cartDIV.addClass('blocking');
        blocking.Users += who;
        blocking.Count ++;
        $.post('http://www.zhihu.com'+href+'/block',$.param({
            action:'add'
          , _xsrf:$('input[name=_xsrf]').val() 
        }),function(r){
            var href=this.url.replace('http://www.zhihu.com','').replace('/block','')
              , userID=href.split('/').pop()
              , who=','+userID+','
              , blocking=iZhihu.QuickBlock.Blocking
            ;

            if(0==--blocking.Count)$cartDIV.removeClass('pending');
    
            if(blocking.Users.indexOf(who) < 0)
                return; // No this user in pending
              
            blocking.Users = blocking.Users.replace(who,',');
            $('#izh_blockCart .user2B[href="'+href+'"]').find('.del')[0].click();
            $('a[href$="'+href+'"]').css('text-decoration','line-through');
        });
  	};
  	this.resizeBlockCart = function($cartDIV){
        var $temp=$cartDIV.clone().attr('id','').css({'height':'','position':'absolute','bottom':'','z-index':'-1'}).appendTo(iZhihu.$body).show();
        $temp.find('.frame').css({'position':'static','top':'','bottom':'','left':'','right':'','overflow':''});
        var h=$temp.height();
        $temp.remove();
        $temp=null;
        if(h+iZhihu.$main.offset().top<iZhihu.$win.height()){
            $cartDIV.css({'height':h,'bottom':''});
        }else{
        	$cartDIV.css({'height':'','bottom':0});
        }
    };
    this.in2BlockCart = function($e){
        var pending = iZhihu.QuickBlock.Pending
          , href = $e.attr('href')
          , username = href.split('/').pop()
          , who = username+','
        ;
        if( typeof pending === 'undefined' || !pending){
            pending = iZhihu.QuickBlock.Pending = { Users:',', Count:0 };
        }else if(pending.Users.indexOf(','+who) >= 0){
            return; // Already pending
        }

        var $cartDIV=$('#izh_blockCart');
        if(!$cartDIV.length){
            $cartDIV=$('<div id="izh_blockCart"class="izh_blockCart">').css({
                'top':iZhihu.$main.offset().top
            }).append(
                $('<div>',{
                    'class':'do'
                  , 'izh_num2B':0
                  , 'title':'下为「候审」列表\n点击左上角可收起/展开\n数字为人犯总数（红色表示仍有人犯正待入列）'
                }).append(
                    $('<a>',{
                        'class':'button delAll'
                      , href:'javascript:void(0);'
                      , html:'大赦'
                      , title:'清空「候审」列表'
                      , click:function(){
                          var $cartDIV=$('#izh_blockCart');
                          $cartDIV.css('bottom','').find('.list').empty();
                          $(this.parentNode).attr('izh_num2B','0');
                          $cartDIV.css('height','');
                      }
                    }).css({
                        'display':'block'
                      , 'position':'absolute'
                      , 'left':24
                    })
                ).append(
                    $('<input>',{
                        'class':'unfo'
                      , href:'javascript:void(0);'
                      , type:'checkbox'
                      , title:'选中后，将我关注之人标出，改以放逐（取消关注）论处'
                      , click:function(){
                          var $cartDIV=$(this.parentNode.parentNode)
                            , $users=$('.frame .list.i_fo .user2B',$cartDIV)
                            , $action=$('.action',this.parentNode);
                          if(this.checked){
                              $users.addClass('unfo');
                              $action.html('放逐').css('padding','0 2em 0 0').attr('title','对列表内我关注之人取消关注');
                          }else{
                              $users.removeClass('unfo');
                              $action.html('收监').css('padding','0 0 0 2em').attr('title','将下列人犯逐一加入黑名单');
                          }
                      }
                    }).css({
                        'display':'block'
                      , 'float':'left'
                      , 'height':22
                      , 'line-height':22
                    })
                ).append(
                    $('<span>',{
                        'class':''
                      , href:'javascript:void(0);'
                      , html:'从轻'
                      , title:'选中后，将我关注的人标出，准备「取消关注」'
                    }).css({
                        'display':'block'
                      , 'float':'left'
                      , 'margin-right':20
                    })
                ).append(
                    $('<a>',{
                        'class':'button action'
                      , href:'javascript:void(0);'
                      , html:'收监'
                      , title:'将下列人犯逐一加入黑名单'
                      , click:function(){
                          var $cartDIV=$(this.parentNode.parentNode);
                          if($('.unfo',this.parentNode).is(':checked')){
                              $('.list.i_fo .user2B',$cartDIV).each(function(i,e){
                                  iZhihu.QuickBlock.doUnfollow($(e));
                              });
                              //alert($('#izh_blockCart').find('.list.unfo .user2B').length);// Unfo
                          }else{
                              $('.list .user2B',$cartDIV).each(function(i,e){
                                  iZhihu.QuickBlock.doQuickBlock($(e));
                              });
                          }
                      }
                    }).css({
                        'display':'block'
                      , 'float':'right'
                      , 'margin-left':20
                      , 'margin-right':-10
                      , 'padding':'0 0 0 2em'
                    })
                ).append(
                    $('<a>',{
                        'class':'zg-icon zg-icon-double-arrow'
                      , href:'javascript:void(0);'
                      , click:function(){
                          var $cartDIV=$('#izh_blockCart');
                          if($cartDIV.attr('mini')!='1'){
                        	  $cartDIV.find('.frame').hide();
                        	  $cartDIV.css({'height':'','bottom':''});
                        	  $cartDIV.attr('mini','1');
                          }else{
                        	  $cartDIV.find('.frame').show();
                        	  iZhihu.QuickBlock.resizeBlockCart($cartDIV);
                        	  $cartDIV.attr('mini','0');
                          }
                      }
                    }).css({
                        'position':'absolute'
                      , 'left':0
                      , 'top':5
                    })
                )
            ).append(
                $('<div>',{'class':'frame'}
                ).append(
                    $('<div>',{
                        'class':'list i_fo fo_i'
                    })
                ).append(
                    $('<div>',{
                        'class':'list i_fo'
                    })
                ).append(
                    $('<div>',{
                        'class':'list fo_i'
                    })
                ).append(
                    $('<div>',{
                        'class':'list'
                    })
                )
            ).appendTo(iZhihu.$body);
        }
        if($cartDIV.find('.user2B[href="'+href+'"]').length){
            return;
        }

        $cartDIV.addClass('pending');
        pending.Users += who;
        pending.Count ++;

        $.get('http://www.zhihu.com/node/MemberProfileCardV2?'+$.param({params:JSON.stringify({'url_token':username})}),'',function(r){
            var $html=$(r)
              //, user=r.msg[0]
              , $avatarLink=$html.find('.avatar-link:first')
              , userName=$avatarLink.text()//user[0]
              //, userID=user[1]
              , $btnFollow=$html.find('button[data-follow]')
              , hashID=!$btnFollow.length?'':$btnFollow.attr('data-id')//.substr(3)//user[3]
              , f_=$btnFollow.length&&$btnFollow.is('.zg-btn-unfollow')//r.msg[3]
              , _f=$btnFollow.length&&$btnFollow.is('[data-followme=1]')//r.msg[4]
              , cssF=_f||f_?'zg-icon rel ':''
              , $cartDIV=$('#izh_blockCart')
              , $cart=$cartDIV.find('.list')
              , href=$avatarLink.attr('href')//'/people/'+userID
              , userID=href.substr(8)
              , who=','+userID+','
              , pending=iZhihu.QuickBlock.Pending
            ;console.log(userName+':'+f_+':'+_f);

            if(0==--pending.Count)$cartDIV.removeClass('pending');

            if(hashID=='')
                return; // User blocked or you blocked
            if(pending.Users.indexOf(who) < 0)
                return; // No this user in pending
            
            pending.Users = pending.Users.replace(who,',');

            if($cartDIV.find('.list .user2B[href="'+href+'"]').length)
                return; // User already in block list

            var $user2B=$('<div>',{
                	'class':'user2B'+(f_&&$cartDIV.find('.do .unfo:checked').length?' unfo':'')
                  , 'href':href
                  , 'uid':hashID
                })
                .append(
                    $('<a>',{
                        'class':'button del'
                      , html:'赦'
                      , href:'javascript:void(0);'
                      , click:function(){
                          	var $user=$(this).closest('.user2B')
                          	  , $cartDIV=$('#izh_blockCart')
                          	;
                            $user.remove();
                            var num2B=$cartDIV.find('.list .user2B').length;
                            $cartDIV.children('.do').attr('izh_num2B',num2B==0?'0':num2B>999?'1k+':num2B);
                            if(num2B)
                                iZhihu.QuickBlock.resizeBlockCart($cartDIV);
                            else
                                $cartDIV.css('height','');
                        }
                    })
                ).append($('<i>',{
                    'class':'say'
                  , html:'冤枉'
                  , 'data-tip':'p$t$'+userID
                })
                ).append($('<i>',{'class':'say_1'})
                ).append($('<i>',{'class':'say_2'})
                ).append($('<i>',{'class':cssF})
                ).append(
                    $('<a>',{
                        'class':'name'
                      , href:href
                      , html:userName
                      , target:'_blank'
                    })
                ).show()
            ;
            if(f_&&_f){
                $cart.eq(0).append($user2B);
            }else if(f_){
                $cart.eq(1).append($user2B);
            }else if(_f){
                $cart.eq(2).append($user2B);
            }else{
                $cart.eq(3).append($user2B);
            }
            var num2B=$cartDIV.find('.list .user2B').length;
            $cartDIV.children('.do').attr('izh_num2B',num2B==0?'0':num2B>999?'1k+':num2B);
            iZhihu.QuickBlock.resizeBlockCart($cartDIV);
        });
    };
    this.addQuickBlock = function($vi,quickBlock){
        if($vi.is('.zm-item-vote-info') && !$vi.children('a[name=more]').length){
            if($vi.attr('izh-QuickBlock')!='1'){
                var $u=$('.voters a[href^="/people/"]',$vi);
                $u.each(function(i,e){
                    $('<input>',{'class':'izh-quick-block-sel',type:'checkbox'}).css({
                    }).insertBefore(e).hide().click(function(){
                        var $vi=$(this).closest('.zm-item-vote-info')
                          , $quickBlock=$vi.parent().find('.izh-quick-block')
                          , $users=$('input.izh-quick-block-sel:checked',$vi)
                        ;
                      	$quickBlock.attr('izh_num2B',$users.length);
                    });
                });
                $vi.attr('izh-QuickBlock','1');
            }
            if($vi.parent().children('a.izh-quick-block-switch').length)
                return;
            var width=$vi.closest('[data-aid]').width()
              , $btnQuickBlock=$('<a>',{
                    'class':'izh-quick-block-switch'
                  , html:'快速屏蔽'
                  , href:'javascript:void(0);'
                  , 'data-tip':'s$t$开始从赞同列表中选择屏蔽对象'
                }).css({
                    'position':'absolute'
                  , 'left':width
                  , 'width':'4em'
                }).click(function(){
                    if(this.getAttribute('on')=='1'){
                        $('.zm-item-vote-info input.izh-quick-block-sel',this.parentNode).hide();
                        $(this).attr({'data-tip':'s$t$开始从赞同列表中选择屏蔽对象','on':'0'}).nextAll('.izh-quick-block').hide();
                        //this.setAttribute('on','0');
                    }
                    else{
                        $('.zm-item-vote-info input.izh-quick-block-sel',this.parentNode).show();
                        $(this).attr({'data-tip':'s$t$结束从赞同列表中选择屏蔽对象','on':'1'}).nextAll('.izh-quick-block').show();
                        //this.setAttribute('on','1');
                    }
                }).insertBefore($vi)
              , $quickBlock=$('<div>',{'class':'izh-quick-block','izh_num2B':'0'}).css({'left':width}).insertBefore($vi).hide()
            ;
            $('<a>',{
                'class':'izh-quick-block-pend'
              , href:'javascript:void(0);'
              , html:'候审'
              , 'data-tip':'s$b$将所选之人列入候审名单以待收监<br/>包括答主'
            }).css({//$.extend(css_QuickBlock,{
                'margin-top':'1em'
              , 'font-size':'200%'
              , 'width':'2em'
            }).click(function(){
                var $pend=$(this)
                  , $quickBlock=$pend.closest('.izh-quick-block')
                  , $users2B=$('.zm-item-vote-info input.izh-quick-block-sel:checked',$quickBlock.parent())
                  , $a=$quickBlock.parent()
                  , $t=null
                ;
                if($a.is('.zm-item-answer-detail')){
                    $t=$a.children('.zm-item-rich-text').find('.zm-item-answer-author-info:first')
                }else if($a.is('.answer-head')){
                    $t=$a.parent('.zm-item-answer').children('.zm-item-answer-author-info')
                }
                if($t&&$t.length){
                    iZhihu.QuickBlock.in2BlockCart($t.children('.zm-item-answer-author-wrap').children('a:first'));
                }
                $users2B.each(function(i,e){
                    iZhihu.QuickBlock.in2BlockCart($(e).next());
                });
            }).prependTo($quickBlock);
            $('<a>',{
                'class':'izh-quick-block-selAll'
              , html:'无'
              , href:'javascript:void(0);'
              , 'data-tip':'s$r$无一选中'
            }).css({
                'margin-left':'3em'
            }).click(function(){
                var $quickBlock=$(this).closest('.izh-quick-block')
                  , $users=$('.zm-item-vote-info input.izh-quick-block-sel',$quickBlock.parent());
                $users.removeAttr('checked');
                $quickBlock.attr('izh_num2B',0);
            }).prependTo($quickBlock);
            $('<a>',{
                'class':'izh-quick-block-notAll'
              , html:'全'
              , href:'javascript:void(0);'
              , 'data-tip':'s$l$全部选中'
            }).css({
            }).click(function(){
                var $quickBlock=$(this).closest('.izh-quick-block')
                , $users=$('.zm-item-vote-info input.izh-quick-block-sel',$quickBlock.parent());
                $users.attr('checked','checked');
              	$quickBlock.attr('izh_num2B',$users.length);
            }).prependTo($quickBlock);
        }
    };
    this.addQuickBlockInOneComment = function($cmItem){
        var $where=$('.zm-comment-hd',$cmItem);
        if($where.find('.izh-quick-block-pend').length)return;
        $('<a>',{
            'class':'izh-quick-block-pend izh-button'
          , html:'候审'
          , href:'javascript:void(0);'
          , 'data-tip':'s$l$将此人列入候审名单以待收监'
        }).click(function(){
            iZhihu.QuickBlock.in2BlockCart($(this).next());
        }).prependTo($where).hide();
    };
    this.addQuickBlockInCommentList = function($where){
        // Region: 快速屏蔽
        var $cm=$where.is('.zm-comment-box')?$where:$where.closest('.zm-comment-box')
          , $u=$('.zm-item-comment',$cm)
        ;
        $u.each(function(i,e){
            iZhihu.QuickBlock.addQuickBlockInOneComment($(e));
        });
        var $btnQuickBlock=$('<a>',{
                'class':'izh-quick-block-switch izh-button'
              , html:'快速屏蔽'
              , href:'javascript:void(0);'
              , 'data-tip':'s$t$开始从评论者中选择屏蔽对象'
            }).css({'margin-left':7}).prependTo($where).click(function(){
                if(this.getAttribute('on')=='1'){
                    $('.zm-comment-hd .izh-quick-block-pend').hide();
                    $(this).attr({'data-tip':'s$t$开始从评论者中选择屏蔽对象','on':'0'}).removeClass('on');
                }
                else{
                    $('.zm-comment-hd .izh-quick-block-pend').show();
                    $(this).attr({'data-tip':'s$t$结束从评论者中选择屏蔽对象','on':'1'}).addClass('on');
                }
            })
        ;
        if($cm.is('.empty')){
            $btnQuickBlock.hide();
        }
        // Region end
    };
    
    iZhihu.$body.bind('DOMNodeInserted',function(event){
        $(event.target).filter('#zh-tooltip').bind('DOMNodeInserted',function(event){
            var $a=$(event.target).filter('#zh-tooltip-people').find('a[name=focus]')
              , bid=$a.attr('id')
              , who=','+bid+','
            ;
            if($a.is('.zg-btn-unfollow')&&iZhihu.QuickBlock.Unfollowed.Users.indexOf(who)>=0){
                $a.html('关注').removeClass('zg-btn-unfollow').addClass('zg-btn-follow');
            }
            if($a.is('.zg-btn-follow')&&iZhihu.QuickBlock.Refollowed.Users.indexOf(who)>=0){
                $a.html('取消关注').removeClass('zg-btn-follow').addClass('zg-btn-unfollow');
            }
        });
    });
    return this;
}

/**
 * @class QuickFavo
 */
function QuickFavo(iZhihu) {
    if ( typeof iZhihu === 'undefined' || !iZhihu || !iZhihu.config['QuickFavo']) {
        return null;
    }
    iZhihu.QuickFavo = this;
    
    var htmlSpinner = '<i class="spinner-gray"></i>'
      , htmlLoading = htmlSpinner + '&nbsp;加载中...&nbsp;'
    ;
    
    this.DefaultCount = 4;
    this.PinnedList = iZhihu.config['QuickFavoPinned'];
    this.css = 
        ['.izh-Pin4QuickFavo{padding:3px 5px 0;float:right;display:block;margin-top:4px;margin-right:2em;line-height:1.25;}'
        ,'.izh-Pin4QuickFavo .zm-item-top-btn{visibility:visible;margin:0 4px;float:right;}'
        ,'div.izh_fav{position:absolute;z-index:9999;display:none;border:1px solid #999999;background-color:#fff;border-radius:5px 5px 5px 0;margin-left:-1px;}'
        ,'div.izh_fav .title{padding:0 5px;background-color:#0874c4;color:#fff;font-weight:bold;font-size:15px;text-align:center;border-radius:3px 3px 0 0;}'
        ,'div.izh_fav a.fav{display:block;clear:both;float;left;padding:0 36px 0 24px;line-height:2;}'
        ,'div.izh_fav a.fav i{position:absolute;margin-top:0.5em;}'
        ,'div.izh_fav a.fav i.spinner-gray{left:0;}'
        ,'div.izh_fav a.fav i.z-icon-collect{left:10px;visibility:hidden;background-position:-56px -36px;}'
        ,'div.izh_fav a.fav.selected i.z-icon-collect{visibility:visible;}'
        ,'div.izh_fav a.fav:hover{text-decoration:none}'
        ,'div.izh_fav a.fav span{float:right;display:block;margin-right:-32px}'
        ,'.meta-item.on{position:relative;z-index:10000;background-color:#fff;border:1px solid #999999;border-top-color:#fff;margin:-1px -8px -1px -1px;padding:0 7px;border-radius:2px 2px 3px 3px;}'
        ,''].join('\n');
    this.addQuickFavo = function($v,$a){
        if($v.length){
            if($a.children('.izh_fav').length<=0){
                $('<div class="izh_fav">'+htmlLoading+'</div>').bind('mouseover',function(){
                    $(this).show().parent().find('.meta-item[name=favo]').addClass('on');
                }).bind('mouseout',function(){
                    $(this).hide().parent().find('.meta-item[name=favo]').removeClass('on');
                }).appendTo($a);
            }
            $v.bind('mouseenter',function(){
                var $a=iZhihu.getItem($(this))
                  , $m=$(this).addClass('on').closest('.zm-item-meta')
                  , aid=$a.attr('data-aid')
                  , $op=$(this).offsetParent()
                  , bottom1=parseInt($op.css('margin-bottom'))
                  , bottom2=parseInt($a.css('padding-bottom'))
                ;
                $a.children('.izh_fav').css({
                    'bottom':(isNaN(bottom1)?0:bottom1)+(isNaN(bottom2)?0:bottom2)+$op.height()-$(this).position().top
                  , 'left':$(this).position().left
                }).show();
                $.getJSON('http://www.zhihu.com/collections/json',$.param({answer_id:aid}),function(result,status,xhr){
                    var aid=this.url.substr(this.url.indexOf('answer_id=')+10)
                      , sel=pageIs.Question?'.zm-item-answer'
                           :pageIs.Home?'.feed-item'
                           :pageIs.Answer?'.zm-item-answer'
                           :''
                      , $a=$(sel+'[data-aid='+aid+']')
                      , $v=$a.children('.izh_fav').html([
                            '<div class="title"title="以下为最近选择的收藏夹">快速收藏</div>'
                          //, '<div class="pinned"></div><div class="normal"></div>'
                        ].join(''))
                    ;
                    if(''==sel)return;
                    var favAll=result.msg[0]
                      , favSel=result.msg[1]
                      , num=iZhihu.QuickFavo.DefaultCount
                      , fav=new Array()
                      , favNormal=new Array()
                    ;
                    $.each(favAll,function(i,e){
                        var fID=e[0]
                          , pinned=iZhihu.QuickFavo.PinnedList[fID]
                        ;
                        if(pinned){
                          fav.push(e);
                        }else{
                          favNormal.push(e);
                        }
                    });
                    num -= fav.length;
                    if(num > 0){
                        fav=fav.concat(favNormal.slice(0,num));
                    }
                    favNormal.length=0;
                    while(fav.length){
                        var e=fav.shift()
                          , fID=e[0]
                          , fName=e[1]
                        ;
                        favNormal[fID]=fName;
                        var $f=$('<a/>',{
                                'class':'fav'
                              , href:'javascript:;'
                              , aid:aid
                              , fid:fID
                              , html:fName
                            }).click(function(){
                                var u='http://www.zhihu.com/collection/'
                                  , $f=$(this)
                                  , $i=$f.children(':first')
                                ;
                                if($i.hasClass('spinner-gray'))return;
                                u+=$f.hasClass('selected')?'remove':'add';
                                $i.attr('class','spinner-gray');
                                $.post(u,$.param({_xsrf:$('input[name=_xsrf]').val(),answer_id:$(this).attr('aid'),favlist_id:$(this).attr('fid')}),function(result){
                                    var act=this.url.substring(this.url.lastIndexOf('/')+1)
                                      , fid=utils.getParamInQuery(this.data,'favlist_id')
                                      , aid=utils.getParamInQuery(this.data,'answer_id')
                                      , sel=pageIs.Question?'.zm-item-answer'
                                           :pageIs.Home?'.feed-item'
                                           :''
                                      , $vi=''==sel?null:$(sel+'[data-aid='+aid+'] .izh_fav a[fid='+fid+']')
                                      , inc=0;
                                    if(''==sel)return;
                                    if(act=='remove'&&result.msg=='OK'){
                                        $vi.removeClass('selected');
                                        inc=-1;
                                    }else if(act=='add'&&result.msg.length){
                                        $vi.addClass('selected');
                                        inc=1;
                                    }
                                    if(inc!=0){
                                        $vi.children('span').html(parseInt($vi.children('span').html())+inc);
                                    }
                                    $vi.children(':first').attr('class','z-icon-collect');
                                });
                            }).prepend($('<i/>',{'class':'z-icon-collect'}))
                              .append($('<span/>',{html:e[3]}));
                        $f.appendTo($v/*.children(pinned?'.pinned':'.normal')*/);
                    };
                    $.each(favSel,function(i,e){
                        if(favNormal[e])
                            $v.find('a.fav[fid='+e+']').addClass('selected');
                    });
                });
            });
            $v.bind('mouseleave',function(){
                var $a=iZhihu.getItem($(this).removeClass('on'));
                $a.children('.izh_fav').hide();
            });
        }
    };

    iZhihu.$body.bind('DOMNodeInserted',function(event){
		var $e=$(event.target);
		if($e.is('.modal-dialog')){
			$e.bind('DOMNodeInserted',function(event){
				var $e=$(event.target)
                  , $favList=$e.find('.zm-favo-list-content')
                ;
				if($favList.length){
					var $favItems=$favList.children('.zm-favo-list-item-link[data-lid]')
                      , funcPin=function(e){
                            var pinned=e.checked
                              , $e=$(e)
                              , $f=$e.closest('.zm-favo-list-item-link')
                            ;if(!$f.length)return;
                            var lid=$e.attr('lid')
                              , $checks=$e.closest('.zm-favo-list-content').find('.izh-Pin4QuickFavo .t_jchkbox')
                              , time=50
                              , cssStart={position:'relative','background-color':'#0874C4','z-index':'100'}
                              , cssEnd={position:'','background-color':'','z-index':''}
                              , funcRollUp=function(){
                                    var $b=$e.closest('.zm-favo-list-item-link')
                                      , $a=$b.prev()
                                    ;
                                    if(!$a.length||($a.hasClass('pinned')&&parseInt($a.attr('data-lid'))<parseInt($b.attr('data-lid')))){
                                        return;
                                    }
                                    $b.animate({bottom:$a.outerHeight()},{
                                        duration:time
                                      , step:function(now){$b.css(cssStart);}
                                      , complete:function(){
                                            $b.css($.extend({bottom:0},cssEnd));
                                            $b.insertBefore($a);
                                            funcRollUp();
                                        }
                                    });
                                }
                              , funcRollDown=function(){
                                    var $a=$e.closest('.zm-favo-list-item-link')
                                      , $b=$a.next()
                                    ;
                                    if(!$b.length||(!$b.hasClass('pinned')&&parseInt($b.attr('index'))>parseInt($a.attr('index')))){
                                        return;
                                    }
                                    $a.animate({top:$b.outerHeight()},{
                                        duration:time
                                      , step:function(now){$a.css(cssStart);}
                                      , complete:function(){
                                            $a.css($.extend({top:0},cssEnd));
                                            $a.insertAfter($b);
                                            funcRollDown();
                                        }
                                    });
                                }
                            ;
                            if(pinned){
                                $f.addClass('pinned');
                                funcRollUp();
                            }else{
                                $f.removeClass('pinned');
                                funcRollDown();
                            }
                            iZhihu.QuickFavo.PinnedList[lid]=pinned;
                            utils.setCfg('QuickFavoPinned',iZhihu.QuickFavo.PinnedList);
                        }
                    ;
					$favItems.each(function(i,e){
						var lid=e.getAttribute('data-lid')
                          , $pin=$('<a/>',{
                                href:'javascript:void(0);'
                              , 'class':'izh-Pin4QuickFavo'
                              , 'lid':lid
                              , 'data-tip':'s$b$保持在「快速收藏」菜单顶部显示'
                            }).append($('<span/>',{html:'置顶'}).add('<i/>',{'class':'zm-item-top-btn'}))
                              .appendTo($('.zg-gray',e)).attr('index',i)
                        ;
                        e.setAttribute('index',i);
                        $pin.bind('click',function(event){
                            this.checked=!this.checked;
                            funcPin(this);
                            if(this.checked){
                                $(this).children('span').html('取消置顶');
                                $(this).children('i').addClass('zm-item-top-btn-cancel');
                            }else{
                                $(this).children('span').html('置顶');
                                $(this).children('i').removeClass('zm-item-top-btn-cancel');
                            }
                            if(event.preventDefault)
                                event.preventDefault();
                            else if(event.stopPropagation)
                                event.stopPropagation();
                            else
                                event.cancelBubble=true;
                            return false;
                        })[0].checked=false;
                        if(iZhihu.QuickFavo.PinnedList[lid]){
                            $pin.click();
                        }
					});
				}
			});
		}
	});

    return this;
}

allLinks=function(_name,_listSel,_listName){
    this.name=_name;
    this.listSel=_listSel;
    this.listName=_listName;
    this.dlgID='izh-dlg-'+_name;
    this.$dlg=null;
    var _initialTitle=_listName+'地址清单',_result=new Array(),_loadTimes=0;

    //初始化弹出框
    this.initDialog = function(){
      this.$dlg=$('#'+this.dlgID);
      var retVal=0<this.$dlg.length;
      if(!retVal){
        var dom = [
          '<div id="'+this.dlgID+'" class="modal-dialog allLinks" tabindex="0" style="display: none;width:500px">',
            '<div class="modal-dialog-title modal-dialog-title-draggable">',
              '<span class="modal-dialog-title-text">'+_initialTitle+'</span>',
              '<span class="modal-dialog-title-text izhihu-collection-info"></span>',
              '<span class="modal-dialog-title-close"></span>',
            '</div>',
            '<div class="modal-dialog-content">',
              '<div>',
                '<div class="zg-section">',
                  '<div class="izhihu-collection-links" tabIndex="-1" class="zg-form-text-input" style="height:300px;overflow-y:scroll;outline:none;">',
                  '</div>',
                  '<form action="http://ilovezhihu.duapp.com/saveMe.py"method="post"target="_blank"style="display:none"><textarea style="width: 100%;" name="links"class="izhihu-collection-links-post"></textarea><input name="title"/></form>',
                '</div>',
                '<div class="zm-command">',
                  '<div class="zg-left">',
                  '<a class="zg-btn-blue reload" href="javascript:;">重新获取</a>',
                  '</div>',
                  //'<a class="zm-command-cancel" name="cancel" href="javascript:;">取消</a>',
                  '<a class="zg-btn-blue save" href="javascript:;">保存</a>',
                '</div>',
              '</div>',
            '</div>',
          '</div>'
        ].join('');
        
        this.$dlg = $(dom).appendTo(document.body).attr('name',_name).attr('listSel',_listSel);
        if(this.$dlg.length)
            retVal=true;

        $('.modal-dialog-title-close',this.$dlg).click(function(){
          $('#zh-global-spinner').hide();
          $('.modal-dialog-bg').hide();
          $(this).parentsUntil('.modal-dialog').parent().hide();
        });

        //拖动
        this.$dlg.drags({handler:'.modal-dialog-title-draggable'});
        
        $('.save',this.$dlg).click(function(){
            var $dlg=$(this).parentsUntil('.modal-dialog-content').parent()
              , $links=$dlg.find('.izhihu-collection-links')
              , $linksPost=$dlg.find('.izhihu-collection-links-post')
              , $linksTitle=$linksPost.next()
              , $form=$linksPost.parent()
              , links=''
            ;
            $links.find('li a').each(function(i,e){
                links+=e.getAttribute('href')+'\n';
            });
            $linksPost.val(links);
            $linksTitle.val($('#zh-fav-head-title,.zm-profile-header-main .title-section a.name').text());
            $form.submit();
        });
        
        $('.reload',this.$dlg).click(function(){
            var $d=$(this).parentsUntil('.modal-dialog').parent();
            handler(1,Number(url.data.param.query['page']),$d);
        });
      }
      return retVal;
    };
    this.start=function($d){
        if($('#zh-global-spinner:visible').length)return;
        if(!$d)$d=this.$dlg;
        if(!$d)return;
        if(!$('.izhihu-collection-links',$d).children().length){
            handler(1,Number(url.data.param.query['page']),$d);
        }
    };

//分析内容
var processNode = function(content,$dlg){
  var $qCurrent = null;
  $('.zm-item-answer', content).each(function(index, item){
    var $a = $(item)
      , $q = $a.closest(".zm-item").children("h2").children("a")
    ;
    if($q.length){
      $qCurrent=$q;
    }else if($qCurrent){
      $q=$qCurrent;
    }else{
      return;
    }
    var hrefQuestion = url.data.attr["base"] + $q.attr("href").replace(url.data.attr["base"],'');
    var obj = {
        title: $q.text(),
        //questionUrl: hrefQuestion,
        answerUrl: hrefQuestion + ($a.parent().is(".zm-item-fav") ? "/answer/" + $a.attr("data-atoken") : ""),
        answerAuthor: $a.find('.zm-item-answer-author-wrap a[href^="/people"]').text().trim(),
        summary: $a.find(".zm-item-answer-summary").children().remove().end().text(),
        content: $a.find(".zm-editable-content").html()
    };
    _result.push(obj);
    var str = utils.formatStr('<li style="list-style-type:none"><a href="{answerUrl}" title="* 《{title}》&#13;* {answerAuthor}：&#13;* {summary}">{answerUrl}</a></li>', obj);
    $('.izhihu-collection-links',$dlg).append(str);
    var count=_result.length;
    $('.izhihu-collection-info',$dlg).html('（努力加载中...已得到记录 ' + count + ' 条）');
  });
};
    
var handler = function(pageWant,pageNow,$dlg){
  if (!pageNow)pageNow=1;
  if($dlg.is(':hidden')){
    var count=_result.length;
    $('.izhihu-collection-info',$dlg).html('（加载被终止...已得到记录 ' + count + ' 条）');
    $('#zh-global-spinner').hide();
    return;
  }
  
  if(pageWant==1){
    $('.izhihu-collection-links',$dlg).empty();
    $('#zh-global-spinner').show();
    _result.length=0;
    _loadTimes++;
    $('.izhihu-collection-info',$dlg).html('');
  }
  var $pager=$(_listSel).parent().find('.zm-invite-pager')
    , $lastPage=$pager.children('span').last().prev()
    , totalCount=$pager.length==0?1:Number($lastPage.text())
  ;
  if(pageWant>totalCount){
    $('.izhihu-collection-info',$dlg).html('（加载完成，共得到记录 ' + _result.length + ' 条）');
    $('#zh-global-spinner').hide();
    $('.selAll',$dlg).click();
    return;
  }

  var pageNext=pageWant+1;
  if(pageWant==pageNow){
    processNode($(_listSel).html(),$dlg);
    handler(pageNext,pageNow,$dlg)
  }else{
    var _url=url.data.attr['base']+url.data.attr['path']+'?page='+pageWant;
    $.ajax(_url,{type:'get',context:{loadTimes:_loadTimes}}).done(function(result){
      if(this.loadTimes!=_loadTimes)return;
      processNode(result,$dlg);
      handler(pageNext,pageNow,$dlg)
    });
  }
};

};

/**
 * 回答页
 */

$(function(){
  if(pageIs.Answer){

var $lblQuestionMeta=$('#zh-question-meta-wrap')//question_meta
;

    var $questionWrap=$('#zh-question-meta-wrap');
    $questionWrap.children('.panel-container').bind('DOMNodeInserted',function(event){
        window.iZhihu.Comment.processComment($(event.target));
    });
    if(window.iZhihu.Comment.RightComment){
        //$questionWrap.children('.meta-item[name=addcomment]').prependTo($questionWrap);
        window.iZhihu.Comment.processCommentButton($questionWrap);
        if(!$('#izh_QuestionShadow').length){
            $('<div>',{'class':'izh_boxShadow',id:'izh_QuestionShadow'}).css({
                'z-index': '-1'
              , 'position': 'relative'
              , 'top': -25
              , 'margin-left': -32
            }).prependTo('#zh-single-question').hide();
        }   
    }

    //process each answer
    var $listAnswers=$('.zm-item-answer,.feed-item','#zh-single-answer-page');
    if($listAnswers&&$listAnswers.length){
        $listAnswers.each(function(i,e){
            window.iZhihu.Answer.processAnswer($(e),null
              , izhAuthorRear
              , false);
        });
    }

    $('#zh-question-answer-wrap').bind('DOMNodeInserted',function(event){
        var $na=$(event.target).filter('.zm-item-answer');
        if($na.length){
            window.iZhihu.Answer.processAnswer($na,null
                , izhAuthorRear
                , false);
        }
    });

    var $cm=$('.zm-comment-box',$questionWrap);
    if($cm.length && $cm.is(':visible')){
    	var focusName = iZhihu.Comment.scrollFocusCommentOnPageLoad($cm);

    	iZhihu.Comment.metaScrollToViewBottom($cm.closest('.zm-item-meta'),function(){
            iZhihu.Comment.processComment($cm, focusName);
        });
    }
  }
})
/**
 * 收藏页
 */
$(function(){
  if(pageIs.Collection){
    //添加按钮
    $('#zh-list-meta-wrap')
      .append('<span class="zg-bull">•</span>  ')
      .append('<a href="javascript:;" id="getAllLinks">地址清单</a>');

    var btn = $('#getAllLinks');
    var result = [];
        
    //注册点击事件
    btn.click(function(){
      var allLinksCollection=new allLinks('Collections','#zh-list-answer-wrap','收藏夹内容');
	  if(!allLinksCollection.initDialog())return;
      $('.modal-dialog-bg').show();
      var y = ($win.height() - allLinksCollection.$dlg.width()) / 2
        , x = ($win.width() - allLinksCollection.$dlg.width()) / 2
      ;
      allLinksCollection.$dlg.css({'top': y, 'left': x}).fadeIn('slow');
      allLinksCollection.start();
    });
  }
  if(pageIs.Answers){
    //添加按钮
    $('.zm-profile-section-name')
      .append('<span class="zg-bull">•</span>  ')
      .append('<a href="javascript:;" id="getAllLinks">地址清单</a>');

    var btn = $('#getAllLinks');
    var result = [];
        
    //注册点击事件
    btn.click(function(){
      var allLinksAnswers=new allLinks('Answers','#zh-profile-answer-list','用户回答');
	  if(!allLinksAnswers.initDialog())return;
      $('.modal-dialog-bg').show();
      var y = ($win.height() - allLinksAnswers.$dlg.width()) / 2
        , x = ($win.width() - allLinksAnswers.$dlg.width()) / 2
      ;
      allLinksAnswers.$dlg.css({'top': y, 'left': x}).fadeIn('slow');
      allLinksAnswers.start();
    });
  }

  if(pageIs.MyCollection&&window.iZhihu.QuickFavo){
    var $favItems=$('#zh-favlists-wrap').children('.zm-item');
    $favItems.each(function(i,e){
    });
  }
})
/*
 * 首页
 */
$(function(){
    var $topstory=$('#is-topstory')
      , isTopStory=$topstory&&$topstory.length
      , propFeedType='data-type'//:'data-feedtype'
      , $lblHomeTitle=$('#zh-home-list-title')//activity_caption
      , $btnNewActivity=$('#zh-main-feed-fresh-button')//new_activity
      , $feedList=$('.zh-general-list')//feed_list
      , $topLinkHome=$('#zh-top-link-home')
      , $filter=//isTopStory?
            $('<span>',{
                'class':'izh-feeds-filter'
              , html:[''
                  , '<a class="izh-button izh-feeds-filter-option"showFeeds="q"><i class="zg-icon"></i>问题</a>'
                  , '<a class="izh-button izh-feeds-filter-option"showFeeds="a"><i class="zg-icon"></i>回答</a>'
                  , '<a class="izh-button izh-feeds-filter-option"showFeeds="p,r"data-tip="s$t$专栏、圆桌"><i class="zg-icon"></i>其他</a>'
                ].join('')
            })
      , $filterInfo=$('<a>',{'class':'izh-feeds-filter-info nothing',href:'javascript:void(0);'}).on('click',function(){$filter.trigger($filter.is(':hidden')||$filter.attr('doing')=='hide'?'show':'hide');})
      , ShowFeeds=function(type,enable){
            var id="izhCSS_FilterFeed_"+type
              , nd=document.getElementById(id)
            ;
            if(enable){
                if(nd)nd.parentNode.removeChild(nd);
            }else if(heads.length){
                if(!nd){
                    nd=_doc.createElement('style');
                    nd.type='text/css';
                    nd.id=id;
                    nd.appendChild(_doc.createTextNode('.feed-item['+propFeedType+'^="'+type+'"]{display:none}'));
                    heads[0].appendChild(nd);
                }
                //{ROUNDTABLE_ADD_RELATED: "roundtable",ARTICLE_VOTE_UP: "post_vote",ARTICLE_CREATE: "post_create",RECOMMENDED: "feed_recommended",QUESTION_FOLLOW: "feed_question_follow",QUESTION_CREATE: "feed_question",ANSWER_VOTE_UP: "feed_answer_vote",ANSWER_CREATE: "feed_answer_answer"};
            }
        }
      , refreshFilterInfo=function(){
            var count=$feedList.children('.feed-item:hidden').length
              , info='&nbsp;>过滤选项<'
            ;
            if(count){
                info='（'+count+'条动态被隐藏）';
                $filterInfo.removeClass('nothing').css({display:''});
            }else{
                $filterInfo.addClass('nothing');
            }   
            $filterInfo.html(info);
        }
      , feedsColumns=function(){ // Implemented by morley, modified by unogz
            //动态的类型
            var feedTypes = //isTopStory?
                [{
                 index: 0,
                 name: '全部',
                 codeName: ''
                }, {
                 index: 1,
                 name: '问题',
                 codeName: 'q'
                }, {
                 index: 2,
                 name: '回答',
                 codeName: 'a'
                }, {
                 index: 3,
                 name: '专栏',
                 codeName: 'p'
                }];
            
            //自定义 CSS 到 head
            var styles = [];
            
            styles.push('.za-filter{display: inline-block;margin-right:10px;cursor:pointer;color:#999;}');
            styles.push('.za-filter.active{color:#259;}');
            styles.push('.za-filter>.zg-num.hide{display:none;}');
            
            $('<style/>').html(styles.join('')).appendTo('head');
            
            var $zhHomeListTitle = $lblHomeTitle;
            
            //根据类型添加过滤按钮 到 #zh-home-list-title
            var filterBtns = []
              , i = feedTypes.length;
            
            while (i--) {
             filterBtns.push(
                 $('<span class="za-filter"/>')
                 .attr('typeIndex', feedTypes[i].index)
                 .html(feedTypes[i].name)
                 .append($('<span class="zg-num"/>').addClass('hide'))
                 .on('click', toggleFeedType)
             );
            }
            
            filterBtns.reverse();
            filterBtns[0].addClass('active');
            var curfeedTypeCodeName = '';
            
            $zhHomeListTitle.html(
             $zhHomeListTitle.html().replace('最新动态', '')
            ).find('i').eq(0).after(filterBtns).remove();
            
            var $targetZero = filterBtns[0].find('.zg-num');
            
            function typeMatch($elem) {
             if (curfeedTypeCodeName == '') {
                 $elem.show();
             } else if (0 <= $elem.attr(propFeedType).indexOf(curfeedTypeCodeName)) {
                 $elem.show();
             } else {
                 $elem.hide();
             }
            }
            
            //按钮事件
            function toggleFeedType() {
             var $clicked = $(this);
             $clickedNum = $clicked.find('.zg-num');
             // 交互效果
             filterBtns.forEach(function(item) {
                 item.removeClass('active');
             });
            
             $clicked.addClass('active');
            
             if ($clicked.attr('typeIndex') == 0) {
                 $('.zg-num', '.za-filter').html('').addClass('hide');
             } else {
                 var totalUnread = (parseInt($targetZero.html()) || 0) - (parseInt($clickedNum.html()) || 0);
                 if (totalUnread != 0) {
                     $targetZero.html(totalUnread);
                 } else {
                     $targetZero.html('').addClass('hide');
                 }
            
                 $clickedNum.html('').addClass('hide');
             }
             curfeedTypeCodeName = feedTypes[$clicked.attr('typeIndex')].codeName;
             // 信息流过滤
             $('.feed-item').each(function() {
                 typeMatch($(this));
             });
            }
            
            function getTypeIndexByCodeName(codeName) {
             var i = feedTypes.length;
             while (i--) {
                 if (codeName == feedTypes[i].codeName) {
                     return i;
                 };
             }
            }
            
            var MutationObserver = window.MutationObserver || window.WebKitMutationObserver;
            
            //监听推送
            var hasNewFeed = false;
            //create an observer instance
            var observer = new MutationObserver(function(mutations) {
             if ( !! parseInt($btnNewActivity.html())) {
                 mutations.forEach(function(mutation) {
                     if (mutation.type === 'childList') {
                         console.log('Has New Feed');
                         // 有新推送则触发之
                         hasNewFeed = true;
                         $btnNewActivity.html('');
                         $.when($btnNewActivity[0].click()).done(function() {
                             setTimeout(function() {
                                 hasNewFeed = false;
                             }, 1000);
                         });
                     }
                 });
             };
            });
            
            //pass in the target node, as well as the observer options
            observer.observe(
             $btnNewActivity[0], {
                 childList: true
             });
            
            //监听插入
            $feedList.on("DOMNodeInserted", function(e) {
             var $self = $(e.target);
            
             if ($self.hasClass('feed-item')) {
                 if (hasNewFeed) {
                     $self.hide();
                     var $target = filterBtns[getTypeIndexByCodeName($self.attr(propFeedType))].find('.zg-num');
                     $target.html((parseInt($target.html()) || 0) + 1).removeClass('hide');
                     $targetZero.html((parseInt($targetZero.html()) || 0) + 1).removeClass('hide');
                 } else {
                     typeMatch($self);
                 }
             }
          });
        }
      , homeFeeds=function(izhHomeFeedsColumns){
            if (izhHomeFeedsColumns){
                feedsColumns();
            }else{
                $filter.children('.izh-feeds-filter-option').addClass('on').click(function(event){
                    var i=0
                      , $e=$(this)
                      , fs=$e.attr('showFeeds')
                      , fa=fs.split(',')
                    ;
                    $('.izh-feeds-filter-option[showFeeds="'+fs+'"]').toggleClass('on');
                    for(;i<fa.length;i++){
                        ShowFeeds(fa[i],$e.is('.on'));
                    }
                    refreshFilterInfo();
                });
                if($topLinkHome.length){
                    var $filter2=$('<div>')
                            .css({position:'absolute',border:'1px solid #777',backgroundColor:'#fff'}).hide()
                            .append($filter.clone(true,true).css({display:'block'}))
                            .on('show',function(){
                                var $e=$(this).stop();
                                if($e.is(':hidden'))
                                    $e.css({display:'',opacity:0})
                                $e.animate({opacity:1},'slow');
                            })
                            .on('hide',function(){
                                var $e=$(this).stop();
                                $e.fadeOut('slow');
                            })
                    ;
                    $topLinkHome.after($filter2).parent()
                        .on('mouseenter',function(event){
                            var $e=$(this)
                              , $f=$e.children().last()
                            ;
                            $f.trigger('show');
                            $filterInfo.filter('.nothing').hide();
                        })
                        .on('mouseleave',function(event){
                            var $e=$(this)
                              , $f=$e.children().last()
                            ;
                            $f.trigger('hide');
                            $filterInfo.filter('.nothing').hide();
                        })
                    ;
                }
                if($lblHomeTitle.length){
                    $filterInfo.css({
                        display:'none'
                      , textDecoration:'none'
                      , cursor:'pointer'
                    }).insertBefore(isTopStory?$topstory:$('#feed-ver'));
                    $lblHomeTitle.css({overflow:'hidden'})
                        .prepend($filter)
                        //.children('i:first')
                        .on('mouseenter',function(event){
                            var $e=$(this)
                              , $f=$e.children('.izh-feeds-filter-info.nothing').stop()
                            ;
                            if($f.is(':hidden'))
                                $f.css({display:'',opacity:0})
                            $f.animate({opacity:1},'fast');
                        })
                        .on('mouseleave',function(event){
                            var $e=$(this)
                              , $f=$e.children('.izh-feeds-filter-info.nothing').stop()
                            ;
                            $f.fadeOut('fast');
                        })
                    ;
                    $filter.css({marginLeft:-$filter.width(),display:'none'})
                        .on('show',function(){
                            var $e=$(this);
                            if($e.attr('doing')==='show')return;
                            $e.attr('doing','show').stop();
                            if($e.is(':hidden'))
                                $e.css({display:''})
                            $e.animate({marginLeft:0},'slow',function(){$(this).css('display','').removeAttr('doing');});
                        })
                        .on('hide',function(){
                            var $e=$(this);
                            if($e.attr('doing')==='hide')return;
                            $e.attr('doing','hide').stop();
                            $e.animate({marginLeft:-$filter.width()},'slow',function(){$(this).css('display','none').removeAttr('doing');});
                        })
                        .on('mouseenter',function(event){
                            var $e=$(this)
                            ;
                            $e.trigger('show');
                        })
                        .on('mouseleave',function(event){
                            var $e=$(this)
                            ;
                            $e.trigger('hide');
                        })
                    ;
                    refreshFilterInfo();
                }
            }
        }
    ;
    if(pageIs.Home||pageIs.Debuts){
        $feedList.find('.feed-item').each(function(i,e){
            window.iZhihu.Answer.processAnswer($(e),null
              , izhAuthorRear
              , izhAuthorList
            );
        });
        $feedList.bind('DOMNodeInserted',function(event){
            var $item=$(event.target);
            if($item.is('.feed-item')){
                window.iZhihu.Answer.processAnswer($item,null
                  , $body.attr('izhAuthorRear')=='1'
                  , $body.attr('izhAuthorList')=='1'
                );
                refreshFilterInfo();
            }
        });
    }

    if (pageIs.Home){
        if (izhHomeNoti
         && $lblHomeTitle.length
         && $btnNewActivity.length
        ){
            $lblHomeTitle.css({
                'float':'left'
              , 'margin-bottom':'2px'
              , 'line-height':'32px'
              , 'width':'100%'
              }).next().css('clear','both');
            $btnNewActivity.css({
                'float':'right'
              , 'margin':'0'
              , 'line-height':'22px'
            }).appendTo($lblHomeTitle);
        }
        homeFeeds(window.iZhihu.config['HomeFeedsColumns']);
    }

});

/**
 * 问题页
 */

$(function(){
  if(pageIs.Question){

    var $lblQuestionMeta=$('#zh-question-meta-wrap')//question_meta
      , $listAnswers=$('#zh-question-answer-wrap,#zh-question-collapsed-wrap').children()//$('.zm-item-answer','#zh-single-question')
      , numAnswersCount=$listAnswers.length
      , $btnCollapsedSwitcher=$('#zh-question-collapsed-switcher')
      , numCollapsedCount=!$btnCollapsedSwitcher.length||$btnCollapsedSwitcher.is(':hidden')?0:parseInt($('#zh-question-collapsed-num').text())
      , numAnswersCountTotal=numAnswersCount+numCollapsedCount
      , $reply=$('#zh-question-answer-form-wrap')//reply_form
    ;
    if($lblQuestionMeta.length){
        var s=new Array()
          , $a=$('<a>')
          , $c=$('<span>',{'class':'zg-bull',html:'•'})
          , $p=$lblQuestionMeta.children('.zm-meta-panel').children('a.meta-item:last')
          , $m=$('.zu-answer-form-disabled-wrap:visible > a','#zh-question-answer-form-wrap')
        ;
        if($m.length){
            s.push($m.attr('href'));
            $a.html('我的回答');
        }else if($reply.length){
            var id='new_answer'
              , $b=$('<a>',{name:id}).before($reply.children().first());
            s.push('#draft');
            $a.html('我要回答');
        }
        $c.insertAfter($p);
        $a.attr('href',s.join('')).attr('target','_self')
            .insertAfter($c);
    }
    if (izhAuthorList&&
        numAnswersCountTotal>100&&
        confirm('这个问题的回答数较多，是否暂时关闭「iZhihu 回答目录」？')){
        //$('#izhCSS_comment').remove();
        //return;
        izhAuthorList=false;
        $body.attr('izhAuthorList','0');
    }
    console.log((new Date()).getTime());
    
    var $lblAnswersCount=$('#zh-question-answer-num')//answers_count
      , $uno=$('<div>',{'class':'uno',style:'float:left'})//izh_AuthorsList
      , $ppT=$('<span>',{'class':'meT',style:'display:none'})//izh_AuthorsList_TopSelfIndicator
      , $frm=$('<div>',{'class':'frame'})//izh_AuthorsList_frame
      , $ppB=$('<span>',{'class':'meB',style:'display:none'})//izh_AuthorsList_BottomSelfIndicator
      , $pp=$('<ul>',{'class':'pp'})//izh_AuthorsList_UL
      , $ppI=$('<div>')
    
    ;

    window.iZhihu.$unoAnswers = $uno

    //答案按时间排序
    if(utils.getCfg('answer_orderByTime')){
      client.click('.zh-answers-filter-popup div[data-key=added_time]');
    }
    
    var $questionWrap=$('#zh-question-meta-wrap');
    $questionWrap.children('.panel-container').bind('DOMNodeInserted',function(event){
        window.iZhihu.Comment.processComment($(event.target));
    });
    if(window.iZhihu.Comment.RightComment){
        //$questionWrap.children('.meta-item[name=addcomment]').prependTo($questionWrap);
        window.iZhihu.Comment.processCommentButton($questionWrap);
        if(!$('#izh_QuestionShadow').length){
            $('<div>',{'class':'izh_boxShadow',id:'izh_QuestionShadow'}).css({
                'z-index': '-1'
              , 'position': 'relative'
              , 'top': -25
              , 'margin-left': -32
            }).prependTo('#zh-single-question').hide();
        }   
    }

    //process each answer
    if($listAnswers&&$listAnswers.length){
        if(izhAuthorList){
            $uno.appendTo($banner);
            $ppT.appendTo($uno);
            $frm.appendTo($uno);
            $pp.appendTo($frm);
            $ppB.appendTo($uno);
            //uno.appendChild(ppI);
            $uno.$endOfLastA=$('<li class="endOfLastA">').appendTo($pp)
        }
        $listAnswers.each(function(i,e){
            window.iZhihu.Answer.processAnswer($(e),$pp
              , izhAuthorRear
              , izhAuthorList);
        });
        if($reply.children('.zu-answer-form-disabled-wrap').is(':hidden')){
            var $ppla=$('<a>',{href:'#draft',target:'_self'})
                .append('<table class="plus"><tr><td></td><td></td></tr><tr><td></td><td></td></tr></table>')
                .append('<span class="name func">-new-</span>')
              , $ppl=$('<li>')
                .append($ppla)
                .appendTo($pp)
            ;
        }
    }
    var resizeAuthorList=function($f){
        // Adjust AuthorList's size and locate its position
        if(!$f||!$f.length)return;
        var frm=$f.get(0);
        var width=window.iZhihu.Answer.ppWidth
          , height=$win.height()-$main.offset().top-3-$f.position().top;
        if(frm.scrollHeight>height){
            $f.height(height);
            width+=20;
        }else{
            $f.height('');
        }
        $f.width(width);
    };
    if(isNaN(numCollapsedCount))numCollapsedCount=0;
    if($listAnswers.length||numCollapsedCount){
        if(izhAuthorList){
            $uno.css({
                'float':'none'
              , 'left':9-$uno.width()
            });
            if(!$btnCollapsedSwitcher.length&&!numCollapsedCount)
                resizeAuthorList($frm);
            $('<div>',{'class':'modal-dialog-title'}).css({
                  'border-top-left-radius':0
            }).insertBefore($ppT);
            $uno.mouseover(function(){
                resizeAuthorList($('.frame',this));
                $(this).css('left','0');
            }).mouseout(function(){
                $(this).css('left',9-$(this).width());
            });
            if(window.iZhihu.Answer._e){
                $uno.children('.meT').css('display',0>window.iZhihu.Answer._e.offsetTop-$frm.scrollTop()?'':'none');
                $uno.children('.meB').css('display',$frm.height()<window.iZhihu.Answer._e.offsetTop-$frm.scrollTop()+window.iZhihu.Answer._e.offsetHeight?'':'none');
            }
        }
        if($btnCollapsedSwitcher.length){
            if(numCollapsedCount>0){
                $('#zh-question-collapsed-wrap').show().bind('DOMNodeInserted',function(event){
                    var $a=$(event.target);
                    if($a.is('.zm-item-answer')){
                        window.iZhihu.Answer.processAnswer($a,$pp
                          , $body.attr('izhAuthorRear')=='1'
                          , $body.attr('izhAuthorList')=='1'
                        );
                        var count = $('.zm-item-answer[izh_processed=1]','#zh-question-collapsed-wrap').length;
                        if(count==numCollapsedCount){
                            resizeAuthorList($frm);
                        }
                    }
                });
            }
            $btnCollapsedSwitcher[0].click();
        }
    }

    $('#zh-question-answer-wrap').bind('DOMNodeInserted',function(event){
        var $na=$(event.target).filter('.zm-item-answer');
        if($na.length){
            window.iZhihu.Answer.processAnswer($na,$pp
              , $body.attr('izhAuthorRear')=='1'
              , $body.attr('izhAuthorList')=='1'
            );
        }
    });
    console.log((new Date()).getTime());

    var $cm=$('.zm-comment-box',$questionWrap);
    if($cm.length && $cm.is(':visible')){
        var focusName = iZhihu.Comment.scrollFocusCommentOnPageLoad($cm);
    
        iZhihu.Comment.metaScrollToViewBottom($cm.closest('.zm-item-meta'),function(){
            iZhihu.Comment.processComment($cm, focusName);
        });
    }
  }
})
/**
 * 配置界面
 */
$(function(){
  var domBtnSettings = [
    '<li>',
      '<a href="javascript:void(0);" tabindex="-1">',
        '<i class="zg-icon zg-icon-dd-settings izhihu-settings"></i>',
        'iZhihu',
      '</a>',
    '</li>'
  ].join('');

  var cbemptyimg = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAMAAAAoyzS7AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAAZQTFRFAAAAAAAApWe5zwAAAAF0Uk5TAEDm2GYAAAAMSURBVHjaYmAACDAAAAIAAU9tWeEAAAAASUVORK5CYII=';
    var domDlgSettings = [
      '<div id="izh-dlg-settings" class="modal-dialog" tabindex="0" style="display:none;width:600px">',
        '<div class="modal-dialog-title modal-dialog-title-draggable">',
          '<span class="modal-dialog-title-text">配置选项</span>',
          '<span class="modal-dialog-title-close"></span>',
        '</div>',
        '<div class="modal-dialog-content">',
          '<div>',
            '<div class="zg-section">',
            '<table class="t_set_tb"border="0"cellspacing="0"cellpadding="5"width="100%">',
            	'<thead>',
            		'<tr><td colspan="6"align="left"><b>功能开关</b>（更改后设置将立刻保存，但只有当页面再次打开时才会生效)</td></tr>',
            	'</thead>',
            	'<tbody>',
                '<tr style="display:none"><td colspan="4"align="left"title="">在首页直接浏览常去话题</td><td width="1px"align="right"></td><td width="1px"align="right"><input type="checkbox" class="t_rtjdchk" id="iZhihu_setHomeTopics" name="HomeTopics" /></td></tr>',
                '<tr><td colspan="4"align="left"title="">改变网页样式外观</td><td align="right"><i class="icon icon-help"data-tip="s$t$* 首页隐藏大头像<br/>* 缩进投票按钮（问题/回答页）<br/>* 按钮图标动画 "></i></td><td align="right"><input type="checkbox" class="t_rtjdchk" id="iZhihu_setHomeLayout" name="HomeLayout" /></td></tr>',
                '<tr><td colspan="4"align="left"title="">调整首页「新动态」提醒按钮</td><td align="right"><i class="icon icon-help"data-tip="s$t$挪到 Timeline 右上角<br/>与标题「最新动态」平行"></i></td><td align="right"><input type="checkbox" class="t_rtjdchk" id="iZhihu_setHomeNoti" name="HomeNoti" /></td></tr>',
                '<tr><td colspan="4"align="left"title="">开启「首页分栏」</td><td align="right"><i class="icon icon-help"data-tip="s$t$将首页动态分类单独显示：<br/>问题、回答、专栏"></i></td><td align="right"><input type="checkbox" class="t_rtjdchk" id="iZhihu_setHomeFeedsColumns" name="HomeFeedsColumns" /></td></tr>',
                '<tr><td colspan="4"align="left">将用户信息挪到回答下方</td><td align="right"></td><td align="right"><input type="checkbox" class="t_rtjdchk" id="iZhihu_setAuthorRear" name="AuthorRear" /></td></tr>',
                '<tr><td align="left">开启「右舷评论」</td><td align="right"><i class="icon icon-help"data-tip="s$t$在页面右侧浮动显示打开的评论列表<br/>在首页、问题、回答页中生效"></i></td><td width="1px"align="right"><input type="checkbox" class="t_rtjdchk" id="iZhihu_setRightComment" name="ShowComment" /></td>',
                '<td width="1px"align="left"nowrap>关闭时自动卷屏至对应条目</td><td align="right"><i class="icon icon-help"data-tip="s$t$仅对右舷评论生效"></i></td><td width="1px"align="right"><input type="checkbox" class="t_rtjdchk" id="iZhihu_setRightComment_AutoScrollPageWhenClosing" name="RightComment_AutoScrollPageWhenClosing" /></td></tr>',
                '<tr><td colspan="4"align="left"title="">开启「快速屏蔽」（加入黑名单/取消关注）功能</td><td align="right"><i class="icon icon-help"data-tip="s$t$在赞同列表、评论列表中使用"></i></td><td align="right"><input type="checkbox" class="t_rtjdchk" id="iZhihu_setQuickBlock" name="QuickBlock" /></td></tr>',
                '<tr><td colspan="4"align="left"title="">开启「快速收藏」菜单</td><td align="right"><i class="icon icon-help"data-tip="s$t$鼠标移上「收藏」按钮时显示"></i></td><td align="right"><input type="checkbox" class="t_rtjdchk" id="iZhihu_setQuickFavo" name="QuickFavo" /></td></tr>',
                '<tr><td colspan="4"align="left"title="">开启「回答目录」</td><td align="right"><i class="icon icon-help"data-tip="s$t$在问题页面左侧掩藏，鼠标移上时展开<br/>并在右侧即时显示回答预览"></i></td><td align="right"><input type="checkbox" class="t_rtjdchk" id="iZhihu_setAuthorList" name="AuthorList" /></td></tr>',
            	'</tbody>',
            '</table>',
            '</div>',
              '<div class="zg-left">',
                '当前版本：'+version+'；',
                '最后更新：'+updateDate,
                '<br/>制作：',
                '<a data-tip="p$t$unogzx" href="/people/unogzx">@钢盅郭子</a>，',
                '<a data-tip="p$t$liuyong25" href="/people/liuyong25">@天猪(刘勇)</a>，',
                '<a data-tip="p$t$luoxr" href="/people/luoxr">@yukirock</a>，',
                '<a data-tip="p$t$morlay" href="/people/morlay">@墨磊</a>',
                '<br/>感谢：',
                '<a data-tip="p$t$PeterDeng" href="/people/PeterDeng">@邓文博</a>，<a data-tip="p$b$cakvfcwz" href="/people/cakvfcwz">@水云逸</a>',
              '</div>',
              '<div class="zm-command">',
              '<a id="izhRefresh" class="zg-btn-blue" href="javascript:void(0);">刷新网页</a>',
            '</div>',
          '</div>',
        '</div>',
      '</div>'
    ].join('');
        
  $(domBtnSettings).insertBefore($('ul#top-nav-profile-dropdown li:last'))
  .click(function(){
    console.log(this);
    $('.modal-dialog-bg').show();
    $('input.t_rtjdchk','#izh-dlg-settings').each(function(i,e){
        if(utils.getCfg($(e).attr('name')))
            $(e).attr('checked','checked');
    });
    $('#izh-dlg-settings').css({'z-index':'89','position':'fixed','top': ($win.height() - $('#izh-dlg-settings').height()) / 2, 'left': ($win.width() - $('#izh-dlg-settings').width()) / 2}).fadeIn('slow');
  });
  var $dlg=$(domDlgSettings).appendTo(_doc.body);
  $dlg.drags({handler:'.modal-dialog-title-draggable'});
  $('.modal-dialog-title-close',$dlg).click(function(){
      $('.modal-dialog-bg').hide();
      $('#izh-dlg-settings').first().hide();
  });
  $('input.t_rtjdchk',$dlg).checkbox({cls:'t_jchkbox',empty:cbemptyimg});
  $('input.t_rtjdchk',$dlg).click(function(){
      var key=$(this).attr('name')
        , value=!this.checked;
      console.log(key+' = '+value);
      utils.setCfg(key,value);
  });
  $('#izhRefresh').click(function(){
    location.reload()
  })
})

var firstRun = parseInt(utils.getValue('izh_fr','1'));

function _FRshow(){
if(firstRun>0 && document.domain=='zhihu.com'){
    var tboxleft=0;
    var accitem1= $('#zh-top-inner div.top-nav-profile .zu-top-nav-userinfo');
    if(accitem1.length>0){
        tboxleft = accitem1.offset().left;
    }
    if(tboxleft>0){
        $('<div id="iZhihu_tbox" class="t_frshow"><div class="t_txtshow t_tbox">感谢使用 <b>iZhihu</b><br />您可通过菜单【iZhihu】对功能进行设置<br /><s><i></i></s></div></div>').appendTo('body.zhi').hide();
        $('#iZhihu_tbox').css('left',tboxleft-100).show().mouseenter(function(){
            utils.setValue('izh_fr','0');
            //_Menu();
                $(this).remove();
            });
        }
    }
}
    
setTimeout(function(){
    _FRshow();
},1000);
 
if(typeof window.iZhihu4CRX === 'undefined' || !window.iZhihu4CRX){
    //helper method to auto update
    function autoUpdateFromUserscriptsDotOrg(SCRIPT) {
      try {
        if (!utils.getValue) return; // Older version of Greasemonkey. Can't run.
    
        // avoid a flood of dialogs e.g. when opening a browser with multiple tabs set to homepage
        // and a script with * includes or opening a tabgrop
        var DoS_PREVENTION_TIME = 2 * 60 * 1000;
        var isSomeoneChecking = utils.getValue('izh-CHECKING', null);
        var now = new Date().getTime();
        utils.setValue('izh-CHECKING', now.toString());
    
        if (!SCRIPT.forceUpdate && isSomeoneChecking && (now - isSomeoneChecking) < DoS_PREVENTION_TIME) return;
    
        // check daily
        var ONE_DAY = 24 * 60 * 60 * 1000;
        //var ONE_WEEK = 7 * ONE_DAY;
        //var TWO_WEEKS = 2 * ONE_WEEK;
        var lastChecked = utils.getValue('izh-LAST_CHECKED', null);
        if (!SCRIPT.forceUpdate && lastChecked && (now - lastChecked) < ONE_DAY) return;
    
    GM_xmlhttpRequest({
      method: 'GET',
        url: SCRIPT.url.replace('.user.','.meta.') + '?'+new Date().getTime(), // don't increase the 'installed' count just for update checks
        headers: {'Cache-Control': 'no-cache'},
        onload: function(result) {
              if (!result.responseText.match(/@version\s+([\d.]+)/)) return;     // did not find a suitable version header
        
              var theOtherVersion = RegExp.$1;
              var verList1 = RegExp.$1.split('.');
              var verList2 = SCRIPT.version.split('.');
              var isOldVersion = false;
              for(var i=0;i<verList1.length;i++){
                if(i<verList2.length){
                  var v1=parseInt(verList1[i])
                    , v2=parseInt(verList2[i])
                  if(v1!=v2){
                    isOldVersion = v1>v2;
                    break;
                  }
                }else{
                  break;
                }
              }
              if (!isOldVersion)
              {
                // no updates or older version on userscripts.orge site
                if(SCRIPT.forceUpdate)
                {
                  alert("您当前所安装的 v" + SCRIPT.version + " 是最新版本，无需更新。")
                }
                return;
              }
              //find the name of the script
              result.responseText.match(/@name\s+(.+)/);
              var scriptName = RegExp.$1;
              result.responseText.match(/@updateinfo\s+(.+)/);
              var updateInfo = RegExp.$1;
              updateInfo = updateInfo.replace(/\|/g,'<br>');
              _ShowUpdate(scriptName,SCRIPT.version,theOtherVersion,updateInfo,SCRIPT.web,SCRIPT.url);
           }
        });
        utils.setValue('izh-LAST_CHECKED', now.toString());
      } catch (ex) {
        console.log(ex);
      }
    }
    
    function _ShowUpdate(p_name,p_cur_ver,p_new_ver,p_updateinfo,p_weburl,p_scripturl){
        var domDlgSettings = [
          '<div id="izh-dlg-update" class="modal-dialog" tabindex="0" style="display:none;width:500px">',
            '<div class="modal-dialog-title modal-dialog-title-draggable">',
              '<span class="modal-dialog-title-text">更新提示</span>',
              '<span class="modal-dialog-title-close"></span>',
            '</div>',
            '<div class="modal-dialog-content">',
              '<div>',
                '<div class="zg-section">',
                  '<table class="t_set_tb"border="0"cellspacing="0"cellpadding="0"width="100%"><thead><tr><td colspan="2"align="left"><b>脚本：'+p_name+'</b></td></tr></thead><tr><th style="width:20%;">当前版本</th><td style="width:80%;">'+p_cur_ver+'</td></tr><tr><th>最新版本</th><td>'+p_new_ver+'</td></tr><tr><th>更新内容</th><td class="t_upinfo">'+p_updateinfo+'</td></tr><tfoot><tr><td colspan="2"style="line-height:15px">提示：脚本更新安装完毕后请刷新当前页面</td></tr></tfoot></table>',
                  '</div>',
                  '<div class="zm-command">',
                  '<span href="javascript:void(0);" class="zm-command-cancel izh-cancel">取消</span>',
                  '<span class="zg-btn-blue izh-update" href="javascript:void(0);">更新</span>',
                '</div>',
              '</div>',
            '</div>',
          '</div>'
        ].join('');
        
        var $dlg=$(domDlgSettings).appendTo(_doc.body)
        ;
        $dlg.drags({handler:'.modal-dialog-title-draggable'});
        $dlg.find('.modal-dialog-title-close').click(function(){
            $(this).closest('.modal-dialog').hide();
            $('.modal-dialog-bg').hide();
        });
        $dlg.find('.izh-cancel').click(function(){
    	    $(this).closest('.modal-dialog').hide();
            $('.modal-dialog-bg').hide();
    	});
        $dlg.find('.izh-update')[0].onclick=function(){
            GM_openInTab(p_scripturl);
    	};
        $('.modal-dialog-bg').show();
        $dlg.css({
            'z-index':'123'
          , 'position':'fixed'
          , 'top': ($win.height() - $dlg.height()) / 2
          , 'left': ($win.width() - $dlg.width()) / 2
        }).fadeIn('slow');
    }
    
    function update(forceUpdate)
    {
      autoUpdateFromUserscriptsDotOrg({
        url: 'http://userscripts.org/scripts/source/126619.user.js',
        version: version,
        forceUpdate: forceUpdate,
        web: 'http://userscripts.org/scripts/show/126619'
      });
    }
    
    if(GM_registerMenuCommand){
        GM_registerMenuCommand('从 userscript.org 更新 iZhihu',function(){update(true)});
    }

    update(false);
}