// ==UserScript==
// @name         北邮人BT趣味盒高度调整
// @namespace    http://tampermonkey.net/
// @description  北邮人BT首页趣味盒高度调整
// @version      1.0
// @author       wangcr
// @match        https://bt.byr.cn/index.php
// @match        https://bt.byr.cn/
// @grant        none
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';
    window.changeHeight = function(){
        $("iframe[src='fun.php?action=view']").attr("height", $("#funboxHeight").attr("value"));
        localStorage.funboxHeight = $("#funboxHeight").attr("value");
    }
    var defaultHeight;
    try{defaultHeight = localStorage.funboxHeight;}catch(err){defaultHeight = "300";}
    $("iframe[src='fun.php?action=view']").attr("height", defaultHeight);
    var parent = document.querySelector("#outer > table > tbody > tr > td > h2:nth-child(12)");
    var newElement = document.createElement('span');
    newElement.className = "small";
    newElement.innerHTML = ' - | <input id="funboxHeight" type="range" value=' + defaultHeight + ' min="200" max="1000" step="10" onchange="changeHeight()" style="height: 7pt;vertical-align: text-bottom;">|';
    parent.insertBefore(newElement, parent.children[1]);
})();