// ==UserScript==
// @name        Google Hit Hider by Domain (Search Filter / Block Sites)
// @author      Jefferson "jscher2000" Scher
// @namespace   JeffersonScher
// @version     1.7.3
// @copyright   Copyright 2016 Jefferson Scher
// @license     BSD with restriction
// @description Block unwanted sites from your Google, DuckDuckGo, Startpage.com, Bing and Yahoo search results. For Firefox+Greasemonkey or Chrome+Tampermonkey. v1.7.3 2016-04-04
// @include     http*://www.google.*/*
// @include     http*://news.google.*/*
// @include     http*://images.google.*/*
// @include     http*://video.google.*/*
// @include     http*://encrypted.google.*/*
// @include     http*://startpage.com/*
// @include     http*://*.startpage.com/*
// @include     http*://duckduckgo.com/*
// @include     http*://www.bing.com/*
// @include     http*://*search.yahoo.com/*
// @include     http*://search.yahoo.co.jp/*
// @grant       GM_addStyle
// @grant       GM_getValue
// @grant       GM_setValue
// @grant       GM_registerMenuCommand
// @grant       GM_deleteValue
// @resource    mycon http://www.jeffersonscher.com/gm/src/gfrk-GHHbD-ver173.png
// @downloadURL none
// ==/UserScript==
var script_about = "https://greasyfork.org/scripts/1682-google-hit-hider-by-domain-search-filter-block-sites";
/*
Copyright (c) 2016 Jefferson Scher. All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met and subject to the following restriction:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

RESTRICTION: USE WITH ANY @include or @match THAT COVERS FACEBOOK.COM IS PROHIBITED AND UNLICENSED.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

/* SITE RESULTS STRUCTURE
Google: div#res > div#search > div > div#ires > div.srg | ol#rso > div.g > div.rc > h3.r > a
Startpage: div#results > ol > li > div.result > h3 > a
DuckDuckGo: div#links > div.results_links_deep > div.links_main > h2 > a
Bing: div#b_content > ol#b-results > li.b_algo > h2 > a
Yahoo (Firefox): div#results > div#cols > div#left > div > div#main > div > div#web > ol > li > div > div > h3 > a
Yahoo Japan: div#contents > div > div > div > div#WS2m > div.w > div.hd > h3 > a
Google in-depth articles: div#res > div#search > div#ires > ol#rso > div > li.g.card-section or li.g.ct-cs > div.rc > div > h3.r > a
Google Images (default): div#res > div#search > div > div#ires > div#rso > div#isr_mc > div > div#rg > div#rg_s > div.rg_di.rg_el.ivg-ig > a > img
*/

// == == == To override the style of the script's buttons and panes, use the custom style feature == == ==
GM_addStyle("div.ghhider{color:#888;} div.ghhider:hover{background-color:#eee;} " + 
  "button.ghhider{color:#555;background-color:#fcfcfc;font-family:sans-serif;font-size:0.85em;margin:auto 2px;border:1px solid #ccc;border-radius:4px;-moz-border-radius:4px;padding:2px 3px;} " +
  "button.ghhider:hover{color:#000;background:#ff8;} .ghh1time{background:#eee;} .inlinediv{display:inline;} .ghhdnone{display:none !important;} " +
  ".ghhpane{position:absolute;color:#333;background-color:#fcfcfc;border:1px solid #ccc;border-radius:4px;-moz-border-radius:4px;padding:0.25em 1.5em;font-size:13px;display:none} " +
  "#ghhsitelist, #ghhpbanlist{background:#fff;list-style-type:none;padding:0;margin:0;} " +
  "#ghhsitelist li,#ghhpbanlist li{width:100%;line-height:1.5em;padding:0;position:relative} " +
  ".ghhhost{display:block;padding:0 0.25em;cursor:pointer;} #ghhutil{text-align:center;margin:0.5em 0 1em 0;border:1px solid #ccc;border-radius:4px;-moz-border-radius:4px;padding:3px 0;} " +
  ".ghhinfo{font-size:12px;line-height:9px;position:absolute;top:0;right:0;z-index:1001;border:4px solid transparent;border-radius:4px;border-bottom-left-radius:8px;border-top-left-radius:8px;-moz-border-radius-bottomleft:8px;-moz-border-radius-topleft:8px;margin-top:1px;padding-left:1px} " +
  ".ghhdel{text-decoration:line-through;color:#333;} .ghhpb{text-decoration:none;color:#f00;} " +
  ".ghhblk{text-decoration:none;color:#333;} .ghhd{position:relative;line-height:1.2em;cursor:pointer;} " + 
  ".ghhindent{position:absolute;left:350px;top:-3px;} #btnedit p{margin:2px 4px 4px 4px;} #ghhblockform input[type='radio'], #ghhmngform input[type='radio']{vertical-align:bottom;margin-top:5px;margin-bottom:1px} " +
  "#ghhblockform label, #ghhmngform label{display:inline;font-weight:normal} .ghhtbl{border:1px solid black;border-collapse:collapse} .ghhtbl td, .ghhtbl th{border:1px solid black;padding:2px 4px;} " +
  "#ghhtsdiv{margin:0 -1.5em;padding:0 3px 0 8px;border-bottom:1px solid #ccc;} #ghhtstrip{padding-bottom:0;} " +
  "#ghhtstrip button{color:#555;background-color:#f5f5f5;margin:0 2px 0 0;border:1px solid #ccc;padding:1px 2px;height:22px;border-radius:2px;-moz-border-radius:2px;} " +
  "#ghhtstrip .ghhCurTab{background-color:#fcfcfc;border-bottom-color:#fcfcfc;} .ghhtab {margin-top:1em;height:17em;overflow-y:scroll;border:1px solid #333;} " +
  "#mflists>div>p{margin:1em 0;} #ghhmngform{position:fixed;top:65px;right:0;z-index:3001;text-align:left} #ghhblockform{text-align:left;z-index:3005}");
GM_addStyle("@media print {button.ghhider{display:none;}}");

// Standard image results style block
if (location.search.indexOf("tbm=isch") > -1){
  var ghhbd_imgsty = document.createElement("style");
  ghhbd_imgsty.id = "ghhStyleImgResults";
  ghhbd_imgsty.setAttribute("type", "text/css");
  ghhbd_imgsty.appendChild(document.createTextNode('div[imgblock="regular"] img{opacity:0.1 !important} div[imgblock="regular"] a div{display:block !important;opacity:0.6 !important} div[imgblock="regular"] img:hover{opacity:0.5 !important} div[imgblock="pban"]{background-color:#aaa !important;border-radius:6px !important} div[imgblock="pban"] a{display:none !important}'));
  document.body.appendChild(ghhbd_imgsty);
  var isch=true;
} else var isch=false;

var currentG = location.hostname;
if (currentG.indexOf("duckduckgo") > -1) GM_addStyle(".links_main,.result__title{overflow:visible !important;} .ghhb{font-size:12px!important;margin-left:4px!important;}");
if (currentG.indexOf("startpage") > -1) GM_addStyle(".ghhd{padding:0 10px 8px 12px} h3 button.ghhider{font-size:0.8em !important;}");
if (currentG.indexOf("bing.com") > -1) GM_addStyle("li[ghhresult] h2 button.ghhider{font-size:0.7em !important;}");
if (currentG.indexOf("yahoo.com") > -1) GM_addStyle("div#web > ol.reg, li div.compTitle {overflow:visible !important;} .ghhd{margin: 1em 0px -1em 10px} #ghhmngform{top:80px}");
if (currentG.indexOf("yahoo.co.jp") > -1) GM_addStyle("#WS2m .w{overflow:visible !important;} #ghhmngform{z-index:3001}");

// Style override example: .ghhd{font-size:0.8em;text-decoration:line-through;}
var custSty = GM_getValue("hiderStyles");
if (!custSty || custSty.length == 0){
  custSty = "";
  GM_setValue("hiderStyles",custSty);
}
var ghhbd_custsty = document.createElement("style");
ghhbd_custsty.setAttribute("type", "text/css");
ghhbd_custsty.id = "ghhbdcuststy";
ghhbd_custsty.appendChild(document.createTextNode(custSty));
document.body.appendChild(ghhbd_custsty);

// == == == Globals for preferences == == ==
var blist, defaultTxts, txtsPref, txts, defaultPrefs, ghhPrefs, ghhPrefO, showYN, mpopen, mbstyle, bbstyle, bbpos, addAt, listchgs, bLUopen, bAggress, bAJAX, bMutOb, pref1click, betatest, MutOb, chgMon, opts, kids;
blist = GM_getValue("hideyhosts");
if (!blist || blist.length == 0){
  blist = "|bigresource.com:t|";
  GM_setValue("hideyhosts",blist);
} else {
  if (blist.substr(0,1) != "|") blist = "|" + blist;
  if (blist.indexOf(":") < 0) convertFormat();
}
defaultTxts = {
  "block":["block","Button next to the result title to call up the block dialog"],
  "unblock":["Unblock","Green button in results to remove a site from the block list"],
  "onetime":["Show Hit","Yellow button in results to show a result temporarily"],
  "pban":["Perma-ban","Red button to move a site to the perma-ban list"],
  "shownotc":["Show Notices","Button to set the preference for notices to show them"],
  "hidenotc":["Hide Notices","Button to set the preference for notices to hide them"],
  "okbtn":["Block Site","Button in the block dialog to block the selected domain"],
  "cancelbtn":["Cancel","Button in the block dialog to cancel out with making changes"],
  "savebtn":["Save Lists","Button in the management pane to update the block and perma-ban lists"],
  "closebtn":["Close","Button in the management pane to close the pane"],
  "okPbtn":["Perma-ban","Button in the block dialog to perma-ban the selected domain"],
  "cancelMbtn":["Manage Hiding","Button in the block dialog to open the management pane"],
  "mngbtn":["Manage Hiding","Button on the right side to open the management pane"],
  "eximbtn":["Export","Button in the management pane to export the block list"],
  "utilbtn":["List Util","Button in the management pane to open the utility panel"],
  "sortbtn":["Sort","Button in the management pane to sort the block list"],
  "unwwwbtn":["Un-www","Button in the management pane to strip www from blocked domains"],
  "dedupbtn":["De-Dup","Button in the management pane to de-duplicate the block list"],
  "impobtn":["Import","Button in the management pane to import domains into the block list"],
  "sharebtn":["Share","Button in the management pane to post block list to the web"]
};
txtsPref = GM_getValue("textstrings");
if (!txtsPref || txtsPref.length == 0){
  txts = defaultTxts;
  GM_setValue("textstrings",JSON.stringify(txts));
} else {
  if (txtsPref.indexOf(":[") == -1 || txtsPref.indexOf("mngbtn") == -1 || 
      txtsPref.indexOf("eximbtn") == -1 || txtsPref.indexOf("utilbtn") == -1 || 
      txtsPref.indexOf("impobtn") == -1){
    convertTxts(txtsPref);
  } else {
    txts = JSON.parse(txtsPref);
  }
}
defaultPrefs = {
  "shownotc":["Y","Show hit notices(Y|N)"],
  "mngpaneopen":["Y-N","Persistence enabled(Y|N),Pane was open(Y|N),Last tab number(1-4)"],
  "mngbtnstyle":["both-ifrN-R-P-Y-H","Display Manage Hiding button and Block buttons(mng|blk|both),In iframes(ifrN|ifrY),Position(R,T,B),Block button display(P,M),Block button tooltips(Y|N), Block button position(H|C)"],
  "addtolistpos":["end","Where to add new hits to block lists(end|top|sort)"],
  "aggressiveblock":["none","Which domains to default to shorter form(none|all|www)"],
  "usemutation":["on-Y","Listen for mutation events(on|off),Use DOM4 Mutation Observer(Y|N)"],
  "oneclick":["N-N","One-click blocking(Y|N),Goes to Perma-ban(Y|N)"],
  "runbeta":["N","Enable incompletely tested features (Y|N)"],
  "reserved2":["X","Y"]
};
ghhPrefs = GM_getValue("ghhprefs");
if (!ghhPrefs || ghhPrefs.length == 0){
  convertPrefs(defaultPrefs, "true");
} else {
  if (ghhPrefs.indexOf("reserved1")>-1){
    convertPrefs(defaultPrefs, "false");
  } else {
    ghhPrefO = JSON.parse(ghhPrefs);
  }
}
showYN = ghhPrefO.shownotc[0];
mpopen = ghhPrefO.mngpaneopen[0];
mbstyle = ghhPrefO.mngbtnstyle[0];
if (mbstyle.split("-")[0] == "mng") toggleBlockHiders("H");
if (mbstyle.split("-").length < 3){
  GM_addStyle("#ghhMngBtn {position:fixed;top:150px;right:-2.8em;-moz-transform:rotate(-90deg);"+
    "border-bottom:0;border-bottom-left-radius:0;border-bottom-right-radius:0;-moz-border-radius-bottomleft:0;-moz-border-radius-bottomright:0;padding:6px 0 6px 0;z-index:1000;}");
} else {
  switch (mbstyle.split("-")[2]){
    case "B":
      GM_addStyle("#ghhMngBtn {position:fixed;bottom:0;right:2px;"+
        "border-bottom:0;border-bottom-left-radius:0;border-bottom-right-radius:0;-moz-border-radius-bottomleft:0;-moz-border-radius-bottomright:0;padding:6px 0 6px 0;z-index:1000;}");
      break;
    case "T":
      GM_addStyle("#ghhMngBtn {margin:0;padding:4px 6px;z-index:3000;}");
      if (document.querySelector("#appbar ol")){
        window.setTimeout(function(){document.querySelector("#appbar ol#ab_ctls").appendChild(document.getElementById("ghhMngBtn"))}, 1000);
        window.setTimeout(function(){var liNew = document.createElement("li");liNew.className="ab_ctl";liNew.appendChild(document.getElementById("ghhMngBtn"));document.querySelector("ol#ab_ctls").appendChild(liNew);}, 1500);
      } else {
        window.setTimeout(function(){if (document.querySelector("#appbar ol")){var liNew = document.createElement("li");liNew.className="ab_ctl";liNew.appendChild(document.getElementById("ghhMngBtn"));document.querySelector("ol#ab_ctls").appendChild(liNew);}else{document.getElementById("ghhMngBtn").setAttribute("style","position:absolute;top:8em;right:0")}}, 1500);
      }
      break;
    default:
      GM_addStyle("#ghhMngBtn {position:fixed;top:150px;right:-2.8em;-moz-transform:rotate(-90deg);-webkit-transform:rotate(-90deg);"+
        "border-bottom:0;border-bottom-left-radius:0;border-bottom-right-radius:0;-moz-border-radius-bottomleft:0;-moz-border-radius-bottomright:0;padding:6px 0 6px 0;z-index:1000;}");
  }
}
if (mbstyle.split("-").length > 3) bbstyle = mbstyle.split("-")[3];
else bbstyle = "P";
if (mbstyle.split("-").length > 5) bbpos = mbstyle.split("-")[5];
else ppbos = "H";
// toggleciteline(bbpos); called by fixuistyle()
addAt = ghhPrefO.addtolistpos[0];
listchgs = 0;
bLUopen = "N";
bAggress = ghhPrefO.aggressiveblock[0];
bAJAX = ghhPrefO.usemutation[0].split("-")[0];
if (ghhPrefO.usemutation[0].split("-").length > 1) bMutOb = ghhPrefO.usemutation[0].split("-")[1];
else bMutOb = "Y";
pref1click = ghhPrefO.oneclick[0];
betatest = ghhPrefO.runbeta[0];
if (document.body){
  // Add buttons, hide unwanted domains
  hidehits(null,false);
  var t_pb;
  if (document.getElementById("GTR")) removePBs();
  // Special results layout
  if (betatest == "Y"){
    var itbl = document.querySelector("#res .images_table");
    if (itbl) hidebasic(itbl);
  }
  // Create skeleton of manage form
  if (!document.getElementById("ghhmngform")) addManageForm();
  // Add manage button
  if (!document.getElementById("ghhMngBtn") && mbstyle.split("-")[0] != "blk"){
    if (currentG.indexOf("google") > -1 && document.getElementById("res")) addMngBtn();
    if (currentG.indexOf("google") < 0) addMngBtn();
  }
  // Show pane if last open
  if (mpopen.substr(0,3) == "Y-Y") showManageForm("mngform");
  // Add menu item
  GM_registerMenuCommand("Manage Hiding", showManageForm);
  // Create block form
  if (!document.getElementById("ghhblockform")) addBlockForm();
  // Watch for changes that could be new instant or AJAX search results
  if (bAJAX == "on") setMutationWatch();
}
function setMutationWatch(){
  // Prefer MutationObserver (Firefox 14+) over Mutation Events
  MutOb = (window.MutationObserver) ? window.MutationObserver : window.WebKitMutationObserver;
  if (MutOb && bMutOb == "Y"){
    chgMon = new MutOb(function(mutationSet){
      mutationSet.forEach(function(mutation){
        if (mutation.type == "childList"){
        for (var i=0; i<mutation.addedNodes.length; i++){
          if (mutation.addedNodes[i].nodeType == 1){
            checkNode(mutation.addedNodes[i]);
          }
        }
        } else { // attribute mutation on Google Images
          if(mutation.target.className == "rg_l") checkNode(mutation.target.parentNode);
        }
      });
    });
    // attach chgMon to document.body
    if (isch == true) opts = {childList: true, subtree: true, attributes: true, attributeFilter: ["href"], characterData: false};
    else opts = {childList: true, subtree: true, attributes: false, characterData: false};
    chgMon.observe(document.body, opts);
  } else { // Legacy browser support
    document.body.addEventListener("DOMSubtreeModified", checkOlist, false);
  }
}
// == == == Main Event Loops == == ==
var ignoreNodeNames = "|BODY|#text|#comment|INPUT|BUTTON|SCRIPT|LI|A|FORM|";
var ignoreIds = "|leftnav|leftnavc|foot|ghhtemp|ghhblockform|ghhmanageform|ghhsitelist|ghhpbanlist|rhs|rhscol|";
var ignoreClass = "|ghhider|inlinediv|ghh1time|";
var t_ap, t_gimg;

function checkOlist(e){ // Check for new results // TODO for old Firefoxes: non-LI layout
  // AutoPager extension
  if (e.target.id){if (e.target.id == "navcnt"){if (e.target.getElementsByClassName("ghhider").length>0){
    if (t_ap) window.clearTimeout(t_ap);
    t_ap = window.setTimeout(refreshListeners, 500);
    return;
  }}}
  // Ignore events on some elements
  if (ignoreNodeNames.indexOf("|"+e.target.nodeName+"|") > -1) return;
  if (e.target.hasAttribute("id")){if (ignoreIds.indexOf("|"+e.target.id+"|") > -1) return;}
  if (e.target.hasAttribute("class")){
    if (ignoreClass.indexOf("|"+e.target.className+"|") > -1) return;
    if (e.target.className.indexOf("goog-date") > -1) return;
  }
  // Standard results layout
  var liels = e.target.getElementsByTagName("li"); 
  if (!liels) return;
  if (liels.length == 0) return;
  // Hide hits if list is visible now
  var rslt = document.querySelectorAll("#res");
  if (rslt){
    if (window.getComputedStyle(rslt[rslt.length-1],null).getPropertyValue("visibility") == "visible" && 
        window.getComputedStyle(rslt[rslt.length-1],null).getPropertyValue("display") != "none"){
      var nlist = rslt[rslt.length-1].getElementsByTagName("li");
      hidehits(nlist,false);
      if (document.getElementById("GTR")) removePBs();
    }
  }
}
function checkNode(el){
  // AutoPager extension
  if (document.querySelector("#navcnt")){
    if (t_ap) window.clearTimeout(t_ap);
    t_ap = window.setTimeout(refreshListeners, 500);
  }
  if (el.nodeName == "LI" || (el.nodeName == "DIV" && (el.className == "g" || el.className.indexOf("rg_di")>-1 || el.className == "rgsh"))) var nlist = [el];
  else var nlist = el.querySelectorAll('li.g, div.g, div.rg_di');
  if (currentG.indexOf("google") < 0) var nlist = el.querySelectorAll('div.result, div.links_main');
  if (nlist.length > 0){
    hidehits(nlist,false);
    if (document.getElementById("GTR")) removePBs();
  } else {
    if (el.nodeName == "DIV" && el.className.indexOf("irc_c") > -1) {
      var buttondivs = el.querySelectorAll('.irc_butc');
      for (var k=0; k<buttondivs.length; k++){
        buttondivs[k].setAttribute("ghhresult", "image-unset");
        buttondivs[k].style.position = "relative";
        var tdnew = document.createElement("td");
        tdnew.innerHTML = '<button title="Block/Unblock" class="irc_but"><span class="irc_but_t">GHHbD</span></button>';
        buttondivs[k].querySelector('tr').appendChild(tdnew);
        tdnew.firstChild.addEventListener("click", imgblockdialog, false);
      }
    }
  }
}
function hidehits(liels,ovrd){
  if (!liels){
    if (currentG.indexOf("google") > -1){ //Google
      liels = document.querySelectorAll("#res li.g, #res div.srg div.g, #res #rso div.g, #res #GTR div.g, #res #isr_mc");
    } else {
      liels = document.querySelectorAll('div#results li, div#results > div.result, div#links > div.results_links_deep, div#b_content > ol > li.b_algo, div#results div#web > ol > li, div#WS2m > div.w');
    }
    if (!liels) return;
  }
  if (liels.length==0){
    if (currentG.indexOf("google") > -1){ //Google
      liels = document.querySelectorAll("#res li.g, #res div.srg div.g, #res #rso div.g, #res #GTR div.g, #res #isr_mc");
    } else {
      liels = document.querySelectorAll('div#results li, div#results > div.result, div#links > div.results_links_deep, div#b_content > ol > li.b_algo, div#results div#web > ol > li, div#WS2m > div.w');
    }
  }
  if (liels.length == 0) return;
  if (liels.length == 1){if(liels[0].id == "isr_mc") liels = liels[0].querySelectorAll(".rg_di");} // Google Standard Image Results
  var hosts, hiders, nhider, i, j, k, hid, ael, ahref, dom, dompart, btn, apar, dgone, pban, linkwidth;
  hosts = blist; 
  for (i=0; i<liels.length; i++){
    if ((liels[i].parentNode.nodeName == "OL" ||
        liels[i].parentNode.nodeName == "TD" ||
        (liels[i].className.indexOf("card-section")>1) ||
        (liels[i].className.indexOf("ct-cs")>1) || 
        (liels[i].parentNode.nodeName == "DIV" && liels[i].parentNode.className.indexOf("srg") > -1) ||
        (liels[i].parentNode.nodeName == "DIV" && liels[i].parentNode.id == "rso") ||
        (currentG.indexOf("google") < 0 && liels[i].parentNode.nodeName == "DIV")) && 
        liels[i].className.indexOf("gbt")!=0 && 
        liels[i].className.indexOf("gplusgrid")<0 &&
        liels[i].className.indexOf("mitem")<0 &&
        liels[i].className != "g mnr-c g-blk") {
      liels[i].setAttribute("ghhresult","unset");
      hiders = liels[i].getElementsByClassName("ghhider");
      nhider = hiders.length;
      if (nhider == 0 || ovrd == true){ // skip if a button is there
        hid = false;
        ael = liels[i].querySelector("h3 a"); // first link (not useful for video or book blocks), <h3> preferred
        if (!ael) ael = liels[i].querySelector("h2 a");
        if (!ael) ael = liels[i].querySelector("a");
        if (liels[i].className.indexOf("videobox")>-1) ael = liels[i].querySelectorAll("td")[1].querySelector("a"); //video page
        if (ael){ahref=ael.getAttribute("href"); if(ahref){if (ahref.indexOf("http")==0 || ahref.indexOf("/interstitial")==0 || 
            ahref.indexOf("/url?q=")==0 || ahref.indexOf(currentG+"/url?q=")>-1 || (ahref.indexOf("/aclk?")==0 && liels[i].className.indexOf("psli")>-1)){
          dom = ahref.substr(ahref.indexOf("http"));
          if (ael.hasAttribute("data-href")) dom = ael.getAttribute("data-href").substr(ael.getAttribute("data-href").indexOf("http"));
          if (dom.indexOf(currentG+"/aclk?")>-1) dom = ahref.substr(ahref.indexOf("http", 10));
          if (dom.indexOf("r.search.yahoo.com/_ylt=")>-1) dom = decodeURIComponent(ahref.substr(ahref.indexOf("RU=http")+3));
          if (dom.indexOf("search.yahoo.co.jp/r/FOR=")>-1) dom = decodeURIComponent(ahref.substr(ahref.indexOf("/**http")+3));
          // if (dom.indexOf("imgrefurl")>-1) dom = dom.match(/imgrefurl=([^&]+)/)[1];
          dom = dom.split("/")[2];
          if (dom.indexOf(":")> -1) dom = dom.substr(0,dom.indexOf(":")); // Strip port number
          dompart = dom;
          while (dompart.indexOf(".")> -1) {
            if (hosts.indexOf("|"+dompart+":")>-1) { // These domains suck
              if (nhider > 0){  // Remove old buttons, notices, etc.
                for (k=hiders.length-1; k>=0; k--){
                  hiders[k].parentNode.removeChild(hiders[k]);
                  nhider = liels[i].getElementsByClassName("ghhider").length;
                }
              }
              if (liels[i].className.indexOf("ghh1time")<0){
                if (hosts.indexOf("|"+dompart+":p")<0) {  // Regular block
                  if (showYN=="Y"){
                    if (liels[i].className.indexOf("results_links_deep")>-1){ // DDG
                      replaceHit(dompart,ael,liels[i].querySelector(".links_main"),"");
                    }
                    else replaceHit(dompart,ael,liels[i],"");
                  }
                  else replaceHit(dompart,ael,liels[i],"none");
                } else { // Perma-ban
                  liels[i].setAttribute("blockhidden",dompart);
                  if (currentG.indexOf("google") < 0 && liels[i].className.indexOf("ghhdnone")<0){
                    liels[i].className += " ghhdnone";
                    if (liels[i].className.indexOf("links_main")>-1) liels[i].parentNode.className += " ghhdnone wtf";
                  }
                }
                if (currentG.indexOf("google") < 0 && liels[i].className.indexOf("results_links_deep")>-1) kids = liels[i].lastElementChild.children; //DDG
                else kids = liels[i].children;
                for (j=0; j<kids.length; j++){ // Hide Google result
                  if (kids[j].className.indexOf("ghhider")<0 && kids[j].className.indexOf("ghhdnone")<0){
                    if (kids[j].className.length > 0) kids[j].className += " ghhdnone";
                    else kids[j].className = "ghhdnone";
                  }
                }
              }
              if (liels[i].className.indexOf("psli")>-1) liels[i].style.padding = "0"; // Shopping results
              hid = true;
              break;
            }
            else {
              dompart = dompart.slice(dompart.indexOf(".")+1);
            }
          }
          if (hid == false && nhider > 1) { // Remove previous block & reset nhider
            liels[i].removeChild(liels[i].children[0]);
            // Clean up unblocked one-times
            if (liels[i].className.indexOf("ghh1time")>-1){
              liels[i].className = liels[i].className.replace(/\s*ghh1time/,"");
              dgone = liels[i].getElementsByClassName("ghhd")[0];
              if (dgone) dgone.parentNode.removeChild(dgone);
              dgone = liels[i].getElementsByClassName("inlinediv")[0];
              if (dgone) dgone.parentNode.removeChild(dgone);
            }
            nhider = liels[i].getElementsByClassName("ghhider").length;
          }
          if (hid == false && nhider == 0) { // Not blocked, insert block button
            // First, remove hiding for unblocked domains
            if (currentG.indexOf("google") < 0 && liels[i].className.indexOf("results_links_deep")>-1) kids = liels[i].lastElementChild.children; //DDG
            else kids = liels[i].children;
            for (j=0; j<kids.length; j++){
              if (kids[j].className.indexOf("ghhdnone")>-1){
                kids[j].className = kids[j].className.replace(/\s*ghhdnone/, "");
              }
            }
            if (liels[i].hasAttribute("blockhidden")){
              liels[i].removeAttribute("blockhidden");
              liels[i].className = liels[i].className.replace(/\s*ghhdnone/, "");
              if (currentG.indexOf("google") < 0 && liels[i].className.indexOf("links_main")>-1) liels[i].parentNode.className.replace(/\s*ghhdnone/, "");
            }
            if (liels[i].hasAttribute("blocknotice")) liels[i].removeAttribute("blocknotice");
            // Insert block button
            apar = ael;
            if (!apar.nextElementSibling){
              if (apar.parentNode.nodeName != "LI" && 
                  apar.parentNode.nodeName != "TD" && 
                  apar.parentNode.nodeName != "H2") apar = apar.parentNode;
            }
            if (apar != undefined) { if (dom.indexOf(currentG)<0 && 
                (liels[i].parentNode != document.querySelector("#tads ol")) && 
                (liels[i].parentNode != document.querySelector("#bottomads ol")) && 
                (liels[i].parentNode != document.querySelector("#ads div")) && 
                (liels[i].parentNode != document.querySelector("#rhs ol"))){
              btn = document.createElement("button");
              btn.appendChild(document.createTextNode(txts.block[0]));
              btn.className="ghhider ghhb";
              btn.setAttribute("meta",dom);
              if (pref1click.substr(0,1) == "Y" && mbstyle.split("-")[4] == "Y"){ //BUG: for 1-click with aggressive (subdomain) settings, dom will be incorrect
                if (currentG.indexOf("google") > -1) btn.setAttribute("title","Block "+dom+" / SHIFT+click to display block form / ALT+click to omit");
                else btn.setAttribute("title","Block "+dom+" / SHIFT+click to display block form");
              } else if (mbstyle.split("-")[4] == "Y"){
                if (currentG.indexOf("google") > -1) btn.setAttribute("title","Block "+dom+" / Show block form / ALT+click to omit");
                else btn.setAttribute("title","Block "+dom+" / Show block form");
              }
              btn.addEventListener("click",showbfd,true);
              if (apar.nextSibling) apar.parentNode.insertBefore(btn,apar.nextSibling);
              else apar.parentNode.appendChild(btn);
              // Reposition button to prevent wrapping 3/25/2012; except for GoogleMonkeyR 7/25/2014
              if (apar.nodeName == "H3"){
                linkwidth = apar.querySelector('a').offsetWidth;
                if (apar.offsetLeft > 0 && apar.offsetLeft < 50) linkwidth += apar.offsetLeft; // fix rare weirdness 2/4/2013
                if (apar.parentNode.offsetWidth - linkwidth - btn.offsetWidth > 4 || 
                    btn.parentNode.parentNode.parentNode.nodeName == "TD") {
                  apar.style.display = "inline"; // button wraps to end of link
                } else {
                  if (linkwidth > 509) linkwidth = 509; // fix rare weirdness 2/4/2013
                  btn.setAttribute("style","position:absolute;top:0;right:"+((-1 * btn.offsetWidth)+(apar.parentNode.offsetWidth-linkwidth)-3)+"px;margin-right:0;z-index:100;"); // position past end of link
                  if (apar.parentNode.nodeName=="LI"||apar.parentNode.nodeName=="DIV") apar.parentNode.style.position="relative";
                }
                apar.querySelector('a').setAttribute("title",apar.querySelector('a').textContent); // full link text tooltip
              }
              // Move button to citeline 6/10/2013
              if (bbpos == "C") {
                var citeline = liels[i].querySelector("cite");
                if (citeline) {
                  citeline.parentNode.appendChild(btn);
                  btn.removeAttribute("style");
                }
              }
              // Implement Mouseover Option 6/22/2012
              if (bbstyle == "M") {
                btn.style.visibility = "hidden";
                liels[i].addEventListener("mouseover",togglebbtn,false);
                liels[i].addEventListener("mouseout",togglebbtn,false);
              }
              // Avoid unhiding garbage span 5/25/2012
              for (j=0; j<liels[i].children.length; j++){
                if (liels[i].children[j].className.indexOf("ghhider")<0){
                  if (liels[i].children[j].style.display=="none") liels[i].children[j].setAttribute("wasdisplaynone","wasdisplaynone");
                }
              }
            }}
          }
        }}}
      }
    } else { // Check for and handle Google standard image results - doesn't yet support BASIC image results
      if (liels[i].className.indexOf("rg_di")>-1){
        if (!liels[i].hasAttribute("imgblock") || ovrd == true){ // skip if previously processed
          liels[i].setAttribute("imgblock", "normal");
          ael = liels[i].getElementsByTagName("a")[0];
          if (ael){if(ael.hasAttribute("href")){
            if (ael.getAttribute("href").indexOf("imgrefurl")>-1){ // Site showing the image ("visit page")
              dom = decodeURIComponent(ael.href).match(/imgrefurl=([^&]+)/)[1].split("/")[2];
              if (dom.indexOf(":")> -1) dom = dom.substr(0,dom.indexOf(":")); // Strip port number
              dompart = dom;
              while (dompart.indexOf(".")> -1) {
                if (hosts.indexOf("|"+dompart+":")>-1) { // These domains suck
                  if (hosts.indexOf("|"+dompart+":p")<0) { // Regular block
                    liels[i].setAttribute("imgblock", "regular");
                  } else { // Perma-ban
                    liels[i].setAttribute("imgblock", "pban");
                  }
                  break;
                } else {
                  dompart = dompart.slice(dompart.indexOf(".")+1);
                }
              }
            }
            if (ael.getAttribute("href").indexOf("imgurl")>-1){ // Site hosting the image ("view image")
              dom = decodeURIComponent(ael.href).match(/imgurl=([^&]+)/)[1].split("/")[2];
              if (dom.indexOf(":")> -1) dom = dom.substr(0,dom.indexOf(":")); // Strip port number
              dompart = dom;
              while (dompart.indexOf(".")> -1) {
                if (hosts.indexOf("|"+dompart+":")>-1) { // These domains suck
                  if (hosts.indexOf("|"+dompart+":p")<0) { // Regular block
                    liels[i].setAttribute("imgblock", "regular");
                  } else { // Perma-ban
                    liels[i].setAttribute("imgblock", "pban");
                  }
                  break;
                } else {
                  dompart = dompart.slice(dompart.indexOf(".")+1);
                }
              }
            }
          }}
        }
        var imgshuffle = false;  // CHANGE TO TRUE TO TURN ON SHUFFLING (CURRENTLY BROKEN)
        if (imgshuffle){
          // Standard image results: move p-banned nodes to the end to maintain overall page length (otherwise, autoloading stops)
          if (t_gimg) window.clearTimeout(t_gimg);
          t_gimg = window.setTimeout(fixImagesLayout, 500);
        }
      }
    }
  }
  if (!document.getElementById("ghhMngBtn") && mbstyle.split("-")[0] != "blk" && document.getElementById("res")) addMngBtn();
  if (document.getElementsByClassName("unbtn").length > 1) undupMngBtn();
  if (betatest == "Y" && currentG !=0){ // BETA - NEW - v1.5.2
    // If there are more than two completely invisible results, modify the query to exclude the first hidden site
    var invis = document.querySelectorAll("li[blockhidden]");
    if (invis.length >= 3) reQry("+-site:"+invis[0].getAttribute("blockhidden"));
  }
}
function fixImagesLayout(){
  // BUGGY: REPLACEMENT IMAGES DO NOT LOAD UNTIL YOU TRIGGER A REPAINT (e.g., open/close Find bar, resize window, zoom in then zoom out)
  var madeamove = false;
  var rgshes = document.querySelectorAll(".rgsh");
  var lastdatapg = rgshes[rgshes.length-1].getAttribute("data-pg");
  var badimg = document.querySelectorAll('div[imgblock="pban"]');
  // TODO: Create setting to let user choose to remove regular blocks, too; temporary workaround: uncomment the following line:
  // var badimg = document.querySelectorAll('div[imgblock="pban"],div[imgblock="regular"]');
  if (badimg.length > 0){
    for (bi=0; bi<badimg.length; bi++){
      if (badimg[bi].hasAttribute("newdatapg")){ // already moved
        if (badimg[bi].getAttribute("newdatapg") != lastdatapg){
          document.getElementById("rg_s").appendChild(badimg[bi]);
          badimg[bi].setAttribute("newdatapg", lastdatapg);
          madeamove = true;
        }
      } else {  // first move
        document.getElementById("rg_s").appendChild(badimg[bi]);
        badimg[bi].setAttribute("newdatapg", lastdatapg);
        madeamove = true;
      }
    }
    // Trigger Google's function to re-layout the results neatly
    if (madeamove){
      var sctag = document.createElement("script");
      sctag.setAttribute("type", "text/javascript");
      sctag.appendChild(document.createTextNode("google.isr.layoutInit();"));
      document.body.appendChild(sctag);
    }
  }
}
function replaceHit(sdomain,oa,oli,ddis){
  var fc, dnew, dset, btn;
  fc = oli.querySelector('h3, h2');
  if (!fc) fc = oli.firstChild;
  if (fc.nodeName=="DIV" && fc.className.indexOf("ghhider")>-1) return;
  dnew = document.createElement("div");
  dnew.appendChild(document.createTextNode(oa.textContent+" on "+sdomain));
  dnew.className="ghhider ghhd";
  dnew.setAttribute("title","Click to view, unblock or Perma-ban");
  dnew.style.display = ddis;
  if (ddis == "none"){
    oli.setAttribute("blockhidden",sdomain);
    if (oli.hasAttribute("blocknotice")) oli.removeAttribute("blocknotice");
  } else {
    oli.setAttribute("blocknotice",sdomain);
    if (oli.hasAttribute("blockhidden")) oli.removeAttribute("blockhidden");
    oli.className = oli.className.replace(/\s*ghhdnone/, "");
    if (oli.parentNode.className.indexOf("results_links_deep")>-1){
      oli.parentNode.setAttribute("blocknotice",sdomain);
      if (oli.parentNode.hasAttribute("blockhidden")) oli.parentNode.removeAttribute("blockhidden");
      oli.parentNode.className = oli.parentNode.className.replace(/\s*ghhdnone/, "");
    }
  }
  dnew.addEventListener("click",reshow,false);
  oli.insertBefore(dnew,oli.firstChild);
  dset = document.createElement("div");
  dset.className = "ghhider ghhindent";
  dset.setAttribute("dom",sdomain);
  dset.style.display = "none";
  btn = document.createElement("button");
  btn.appendChild(document.createTextNode(txts.unblock[0]));
  btn.className="ghhider";
  btn.setAttribute("title","Unblock this site");
  btn.style.backgroundColor="#9f6";
  btn.addEventListener("click",unblock,false);
  dset.appendChild(btn);
  btn = document.createElement("button");
  btn.appendChild(document.createTextNode(txts.pban[0]));
  btn.className="ghhider";
  btn.setAttribute("title","Permanently hide this site");
  btn.style.backgroundColor="#f66";
  btn.addEventListener("click",permban,false);
  dset.appendChild(btn);
  btn = document.createElement("button");
  btn.appendChild(document.createTextNode("close"));
  btn.className="ghhider";
  btn.setAttribute("title","Re-hide this hit");
  btn.style.backgroundColor="#eee";
  btn.addEventListener("click",rehide,false);
  dset.appendChild(btn);
  dnew.appendChild(dset);
  if (dnew.parentNode.style.overflow == "hidden" || dnew.parentNode.style.overflowX == "hidden"){
    dnew.insertBefore(document.createElement("br"), dnew.firstChild);
  }
  dset.addEventListener("click",ghhkillevent,false);
  if (oli.className.indexOf("psli")>-1) dnew.style.margin = "1em 0"; // Shopping results
}
function hidebasic(tbl){ // BASIC IMAGE RESULTS, BETA ONLY, NON-AJAX
  var hosts, tds, i, j, k, hid, ael, dom, dompart, btn, apar, dgone;
  hosts = blist;
  tds = tbl.querySelectorAll("td");
  for (i=0; i<tds.length; i++){
    ael = tds[i].querySelector("a");
    if (ael){if(ael.hasAttribute("href")){if (ael.getAttribute("href").indexOf("imgrefurl=")>-1){
      dom = ael.getAttribute("href").substr(ael.getAttribute("href").indexOf("imgrefurl=")+7).split("/")[2];
      if (dom.indexOf(":")> -1) dom = dom.substr(0,dom.indexOf(":")); // Strip port number
      dompart = dom;
      while (dompart.indexOf(".")> -1) {
        if (hosts.indexOf("|"+dompart+":")>-1) { // These domains suck; mark the cell for now
          if (hosts.indexOf("|"+dompart+":p")>-1 || showYN=="N") tds[i].setAttribute("ghhaction","delete");
          else tds[i].setAttribute("ghhaction","notice");
          break;
        } else {
          dompart = dompart.slice(dompart.indexOf(".")+1);
        }
      }
    }}}
  }
  for (i=0; i<tds.length; i++){
    switch (tds[i].getAttribute("ghhaction")){
      case "delete":
        // TODO implement deletion
        tds[i].innerHTML = "delete cell";
        break;
      case "notice":
        // TODO implement clickable notices
        tds[i].style.textDecoration = "line-through";
        tds[i].style.opacity = "0.3";
        break;
      default:
        // TODO add block button
    }
  }
}
// == == == Other Functions == == == 
function reshow(e){   // Show hit without unblocking
  var liel, ael, dabs, k;
  liel = e.target.parentNode;
  while (!liel.hasAttribute("ghhresult")){
    liel=liel.parentNode;
    if (liel.nodeName == "BODY") return;
  }
  liel.className += " ghh1time";
  // Hide notice, move action buttons, then show hit
  e.target.style.display="none";
  ael = liel.querySelector("h3 a");
  if (!ael) ael = liel.querySelector("span.tl a"); // summarized news result
  if (!ael) ael = liel.querySelector("a"); // other
  if (liel.className.indexOf("videobox")>-1) ael = liel.querySelectorAll("td")[1].querySelector("a"); //video page
  dabs = e.target.firstElementChild;
  if (ael.parentNode.nextSibling) ael.parentNode.parentNode.insertBefore(dabs,ael.parentNode.nextSibling);
  else ael.parentNode.parentNode.appendChild(dabs);
  dabs.className = "inlinediv";
  dabs.removeAttribute("style");
  if (dabs.nextElementSibling) if (dabs.nextElementSibling.className.indexOf("ghhider") == 0 || dabs.nextElementSibling.innerHTML == "block") dabs.parentNode.removeChild(dabs.nextElementSibling);
  for (k=1; k<liel.children.length; k++){
    liel.children[k].className = liel.children[k].className.replace(/\s*ghhdnone/, "");
  }
  e.stopPropagation();
}
// Hide or Show hit notices
function updtpref(e){
  var btns, j, hds, s;
  if (showYN == "Y"){
    if (confirm("No longer show titles or buttons for suppressed results?")){
      ghhPrefO.shownotc[0] = "N";
      GM_setValue("ghhprefs",JSON.stringify(ghhPrefO));
      showYN = ghhPrefO.shownotc[0];
      togHiderDivs("no");
    }
  } else {
    hds = document.getElementsByClassName("ghhd");
    if (hds.length > 0) s = (hds.length == 1) ? "is 1 blocked hit" : "are "+hds.length+" blocked hits";
    else s = "are no blocked hits";
    if (confirm("Show titles and buttons for suppressed results? (There "+s+" on this page.)")){
      ghhPrefO.shownotc[0] = "Y";
      GM_setValue("ghhprefs",JSON.stringify(ghhPrefO));
      showYN = ghhPrefO.shownotc[0];
      togHiderDivs("yes");
    }
  }
  fixShowHideBtn();
  e.target.blur();
}
function fixShowHideBtn(){
  var chkMP = document.getElementById("chkshownotc");
  var chkBF = document.getElementById("chkshownotcbf");
  if (showYN == "Y"){
    chkMP.setAttribute("checked","checked");
    chkMP.checked = true;
    if (chkBF){
      chkBF.setAttribute("checked","checked");
      chkBF.checked = true;
    }
  } else {
    chkMP.removeAttribute("checked");
    chkMP.checked = false;
    if (chkBF){
      chkBF.removeAttribute("checked");
      chkBF.checked = false;  
    }
  }
}
function togHiderDivs(sShow){
  var dh, i;
  dh = document.getElementsByClassName("ghhider");
  for(i=0;i<dh.length;i++) {
    if (dh[i].nodeName == "DIV" && dh[i].className.indexOf("ghhindent")<0) {
      if (sShow == "yes") dh[i].style.display = "";
      else dh[i].style.display = "none";
    }
  }
}
// Remove domain from the block list
function unblock(e){
  var elPar, sdom, slist, liel, tgt;
  elPar = e.target.parentNode;
  sdom = elPar.getAttribute("dom");
  if (!sdom || sdom.length<4){
    alert("Problem with domain to unblock");
    return;
  }
  slist = GM_getValue("hideyhosts");
  if (slist.substr(0,1) != "|") slist = "|" + slist;
  slist = slist.replace("|"+sdom+":t","");
  GM_setValue("hideyhosts",slist);
  blist = GM_getValue("hideyhosts");
  liel = elPar.parentNode;
  while (!liel.hasAttribute("ghhresult")){
    liel=liel.parentNode;
    if (liel.nodeName == "BODY") break;
  }
  if ((liel.nodeName =="LI" || liel.nodeName == "DIV") && liel.className.indexOf("ghh1time")>-1){
    liel.className = liel.className.replace(/\s*ghh1time/,"");
    liel.removeChild(liel.getElementsByClassName("ghhd")[0]);
    elPar.parentNode.removeChild(elPar);
  }
  hidehits(null,true);
  if (document.getElementById("ghhmngform")){
    if(document.getElementById("ghhmngform").style.display=="block") refreshSiteList();
  }
}
// Add domain to the Perma-ban list
function permban(e){
  if (!confirm("Never see hits for this domain again?")) return;
  var dpar, sdom, slist, liel;
  dpar = e.target.parentNode;
  sdom = dpar.getAttribute("dom");
  slist = GM_getValue("hideyhosts");
  if (slist.substr(0,1) != "|") slist = "|" + slist;
  slist = slist.replace("|"+sdom+":t","|"+sdom+":p");
  GM_setValue("hideyhosts",slist);
  blist = GM_getValue("hideyhosts");
  liel = dpar.parentNode;
  while (!liel.hasAttribute("ghhresult")){
    liel=liel.parentNode;
    if (liel.nodeName == "BODY") break;
  }
  if ((liel.nodeName =="LI" || liel.nodeName == "DIV") && liel.className.indexOf("ghh1time")>-1){
    liel.className = liel.className.replace(/\s*ghh1time/,"");
  }
  if(dpar.className.indexOf("ghhindent")>-1) dpar = dpar.parentNode;
  dpar.parentNode.removeChild(dpar);
  hidehits(null,true);
  if (document.getElementById("GTR")) removePBs();
  if (document.getElementById("ghhmngform")){
    if(document.getElementById("ghhmngform").style.display=="block") refreshSiteList();
  }
}
// Close this bad result and rehide (to allow indendent open/close, do not run through hidehits)
function rehide(e){
  var dpar, liel, dompart, ael, j;
  dpar = e.target.parentNode;
  liel = dpar.parentNode;
  while (!liel.hasAttribute("ghhresult")){
    liel=liel.parentNode;
    if (liel.nodeName == "BODY") break;
  }
  dompart = dpar.getAttribute("dom");
  dpar.parentNode.removeChild(dpar);
  ael = liel.querySelector("h3 a, h2 a");
  if (!ael) ael = liel.querySelector("a");
  liel.className = liel.className.replace(/\s*ghh1time/,"");
  liel.removeChild(liel.querySelector("div.ghhd"));
  replaceHit(dompart,ael,liel,"");
  for (j=0; j<liel.children.length; j++){ // Hide Google result
    if (liel.children[j].className.indexOf("ghhider")<0 && liel.children[j].className.indexOf("ghhdnone")<0){
      if (liel.children[j].className.length > 0) liel.children[j].className += " ghhdnone";
      else liel.children[j].className = "ghhdnone";
    }
  }
}
// Functions relating to the Block form
function addBlockForm(){
  var bfd = document.createElement("div");
  bfd.id = "ghhblockform";
  bfd.className = "ghhpane";
  var bfdcode = "<form onsubmit=\"return false;\"><p style=\"margin:0.75em 0;\"><strong>Add to blocklist:</strong></p><p><label " +
    "style=\"white-space:pre\"><input type=\"radio\" name=\"ghhdom\" value=\"f\"> <span id=\"ghhfulldom\"></span></label><br>" +
    "<label><input type=\"radio\" name=\"ghhdom\" value=\"p\"> <span id=\"ghhpartdom\"></span></label></p>" +
    "<p style=\"text-align:center;white-space:pre;line-height:2em;margin:0.75em 0\"><button id=\"ghhbf1\" bt=\"t\"> " + txts.okbtn[0] + 
    " </button> <button id=\"ghhbf3\" bt=\"p\"> " + txts.okPbtn[0] + " </button><br>" +
    "<button id=\"ghhbf2\" mng=\"N\"> " + txts.cancelbtn[0] + " </button> " +
    "<button id=\"ghhbf4\" mng=\"Y\">" + txts.cancelMbtn[0] + "</button></p>";
  if (currentG.indexOf("google") > -1){
    bfdcode += "<p style=\"border-top:1px solid #aaa;text-align:center;white-space:pre;line-height:2em;margin:0.75em 0;padding-top:0.5em;\">Edit query: <button id=\"ghhbf5\" title=\"This site only\"> +site: </button> " +
    "<button id=\"ghhbf6\" title=\"Exclude this site\"> -site: </button></p>"
  }
  bfdcode += "<p style=\"margin:0.75em 0;\"><label title=\"Switch between showing and hiding result titles for regular blocked hits\"><input " +
    "type=\"checkbox\" name=\"chkshownotcbf\" id=\"chkshownotcbf\"> Show hidden hit notices</label><br>" +
    "<label title=\"Switch between block dialog and one-click blocking\"><input type=\"checkbox\" name=\"chk1clickbf\" " +
    "id=\"chk1clickbf\"> Enable 1-click blocking</label></p></form>";
  bfd.innerHTML = bfdcode;
  document.body.appendChild(bfd);
  document.getElementById("ghhbf1").addEventListener("click",addblock,false);
  document.getElementById("ghhbf2").addEventListener("click",ghhcloseform,false);
  document.getElementById("ghhbf3").addEventListener("click",addblock,false);
  document.getElementById("ghhbf4").addEventListener("click",ghhcloseform,false);
  if (currentG.indexOf("google") > -1){
    document.getElementById("ghhbf5").addEventListener("click",reQuery,false);
    document.getElementById("ghhbf6").addEventListener("click",reQuery,false);
  }
  document.getElementById("ghhblockform").addEventListener("click",ghhkillevent,false);
  document.getElementById("chkshownotcbf").addEventListener("change",updtpref,false);
  document.getElementById("chk1clickbf").addEventListener("change",updt1click,false);
}
function showbfd(e) {
  var bbtn, bfdiv, fdom, pdom, fspan, pspan, tdiv, lt;
  bbtn = e.target;
  fdom = bbtn.getAttribute("meta");
  if (!document.getElementById("ghhblockform")) addBlockForm();
  fspan = document.getElementById("ghhfulldom");
  fspan.textContent = fdom;
  fspan.previousElementSibling.checked = true;
  pdom = fdom.substr(fdom.indexOf(".")+1);
  pspan = document.getElementById("ghhpartdom");
  if (pdom.indexOf(".") > -1) {
    pspan.textContent = pdom;
    pspan.parentNode.style.display = "";
    switch (bAggress){
      case "all":
        pspan.previousElementSibling.checked = true;
      case "www":
        if (fdom.substr(0,3) == "www") pspan.previousElementSibling.checked = true;
      default:
        // default to full domain
    }
  } else {
    pspan.parentNode.style.display = "none";
  }
  if (e.altKey == true && currentG.indexOf("google") > -1){
    reQuery(); return;
  }
  bfdiv = document.getElementById("ghhblockform");
  tdiv = document.getElementById("ghhtemp");
  if (!tdiv){
    tdiv = document.createElement("div");
    tdiv.id = "ghhtemp";
  }
  if (isch == true){
    tdiv.setAttribute("style", "position:absolute;left:-80px;top:0;z-index:3000;width:250px;");
    bbtn.parentNode.appendChild(tdiv);
  } else {
    lt = bbtn.offsetLeft + bbtn.offsetWidth + 12;
    if (bbtn.parentNode.previousElementSibling){
      if (window.getComputedStyle(bbtn.parentNode.previousElementSibling,null).getPropertyValue("float") != "none" ||
          (bbtn.style.position == "absolute" && bbtn.parentNode.nodeName == "TD")) lt=lt-bbtn.parentNode.offsetLeft;
    }
    if (document.querySelector('table#GTR')){
      lt-=230;
    }
    if (currentG.indexOf("google") < 0) lt=lt-bbtn.parentNode.offsetLeft;
    tdiv.setAttribute("style", "position:relative;left:" +  lt + "px;top:-65px;z-index:500;width:250px;");
    if (bbtn.nextElementSibling){
      if (bbtn.nextElementSibling.nodeName == "DIV") bbtn.parentNode.insertBefore(tdiv,bbtn.nextElementSibling);
      else bbtn.parentNode.appendChild(tdiv);
    }
    else bbtn.parentNode.appendChild(tdiv);
  }
  tdiv.appendChild(bfdiv);
  if (tdiv.parentNode.style.overflowX == "hidden" || tdiv.parentNode.style.overflowY == "hidden"){
    tdiv.parentNode.style.overflowX = "visible";
    tdiv.parentNode.style.overflowY = "visible";
  }
  if (pref1click.substr(0,1) == "Y" && e.shiftKey != true  && isch != true){ // 1-click; hold Shift to override
    if (pref1click.substr(2,1) == "N"){
      document.getElementById("ghhbf1").click();
    } else {
      document.getElementById("ghhbf3").click();    
    }
  } else { // regular + populating 1-click checkbox
    var chkBF = document.getElementById("chk1clickbf");
    if (pref1click.substr(0,1) == "Y"){
      chkBF.setAttribute("checked","checked");
      chkBF.checked = true;
    } else {
      chkBF.removeAttribute("checked");
      chkBF.checked = false;  
    }
    chkBF = document.getElementById("chkshownotcbf");
    if (showYN == "Y"){
      chkBF.setAttribute("checked","checked");
      chkBF.checked = true;
    } else {
      chkBF.removeAttribute("checked");
      chkBF.checked = false;  
    }
    bfdiv.style.display = "block";
    document.getElementById("ghhbf1").focus();
  }
  e.stopPropagation();
}
function addblock(e){
  var btype, els, i, sdom, tgt;
  tgt = e.target;
  btype = tgt.getAttribute("bt");
  els = tgt.form.querySelectorAll('input[type="radio"]');
  for (i=0; i<els.length; i++){
    if(els[i].checked == true){
      sdom = els[i].nextElementSibling.textContent;
      break; 
    } 
  }
  ghhcloseform(e);
  if (blist.substr(0,1) != "|") blist = "|" + blist;
  if (!btype) btype == "t";
  if (addAt == "end") blist += sdom + ":" + btype + "|";
  else blist = "|" + sdom + ":" + btype + blist;
  GM_setValue("hideyhosts",blist);
  hidehits(null,true);
  if (document.getElementById("GTR")) removePBs();
  if (addAt == "sort") sortlist(null);
  if (document.getElementById("ghhmngform")){
    if(document.getElementById("ghhmngform").style.display=="block") refreshSiteList();
  }
}
function ghhcloseform(e){
  if (!e) return;
  if (typeof(e) == "object" && e.target){
    if(e.target.id.indexOf("ghhbf") == 0){
      var mng = e.target.getAttribute("mng");
      var bfdiv = document.getElementById("ghhblockform");
      var tdiv = document.getElementById("ghhtemp");
      bfdiv.style.display = "none";
      document.body.appendChild(bfdiv);
      tdiv.parentNode.removeChild(tdiv);
      if (mng == "Y") showManageForm("mngform");
    }
    if(e.target.id.indexOf("ghhmf") == 0){
      if (mbstyle.split("-")[0] == "mng") toggleBlockHiders("H");
      document.getElementById("ghhmngform").style.display = "none";
      if (mpopen.substr(0,3) == "Y-Y"){
        mpopen = "Y-N";
        ghhPrefO.mngpaneopen[0] = mpopen;
        GM_setValue("ghhprefs",JSON.stringify(ghhPrefO));
      }
    }  
  } else {
    if(e == "mngform"){
      if (mbstyle.split("-")[0] == "mng") toggleBlockHiders("H");
      document.getElementById("ghhmngform").style.display = "none";
      if (mpopen.substr(0,3) == "Y-Y"){
        mpopen = "Y-N";
        ghhPrefO.mngpaneopen[0] = mpopen;
        GM_setValue("ghhprefs",JSON.stringify(ghhPrefO));
      }
    }      
  }
  e.stopPropagation();
}
function imgblockdialog(e){
  var viewer = e.target.parentNode;
    while (!viewer.hasAttribute("ghhresult")){
    viewer=viewer.parentNode;
    if (viewer.nodeName == "BODY") return;
  }
  var ameta = viewer.previousElementSibling.querySelector('._r3 a').textContent.trim();
  e.target.setAttribute("meta", ameta);
  if (blist.indexOf("|"+ameta+":") > -1){
    if (confirm("Unblock?")){
      var slist = GM_getValue("hideyhosts");
      if (slist.substr(0,1) != "|") slist = "|" + slist;
      slist = slist.replace("|"+ameta+":t","").replace("|"+ameta+":p","");
      GM_setValue("hideyhosts",slist);
      blist = GM_getValue("hideyhosts");
      hidehits(null,true);
      if (document.getElementById("ghhmngform")){
        if(document.getElementById("ghhmngform").style.display=="block") refreshSiteList();
      }
    }
    e.stopPropagation();
  } else showbfd(e);
}
// Functions relating to the Manage Hiding button
function addMngBtn(){
  if (mbstyle.split("-")[0] == "blk") return;
  if (window.self != window.top) if (mbstyle.split("-")[1] == "ifrN") return;
  var mbtn;
  mbtn = document.createElement("button");
  mbtn.appendChild(document.createTextNode(txts.mngbtn[0]));
  mbtn.className="ghhider unbtn";
  mbtn.setAttribute("title","Manage Google Hit Hider Settings");
  mbtn.id = "ghhMngBtn";
  mbtn.addEventListener("click",showManageForm,true);
  document.body.appendChild(mbtn);
}
function undupMngBtn(){
  var unbtns = document.getElementsByClassName("unbtn");
  while (unbtns.length > 1){
    unbtns[unbtns.length - 1].parentNode.removeChild(unbtns[unbtns.length - 1]);
  }
}
function showManageForm(e){
  if (window.self != window.top) return;
  var mfd;
  if (!document.getElementById("ghhmngform")) addManageForm();
  mfd = document.getElementById("ghhmngform");
  if (mfd.style.display != "none" && e != "mngform"){ // Toggle to hidden
    if (mbstyle.split("-")[0] == "mng") toggleBlockHiders("H");
    if (mpopen.substr(0,3) == "Y-Y"){
      mpopen = "Y-N";
      ghhPrefO.mngpaneopen[0] = mpopen;
      GM_setValue("ghhprefs",JSON.stringify(ghhPrefO));
    }
    mfd.style.display = "none";
  } else {
    refreshSiteList();
    mfd.style.display = "block";
    if (mpopen.substr(0,3) == "Y-Y" && mpopen.length == 5){ // Restore last displayed tab
      var tabnum = mpopen.substr(4,1);
      if (document.getElementById("ghhmt"+tabnum).style.display == "none"){
        var synth = document.createEvent("MouseEvents");
        synth.initMouseEvent("click", true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
        document.getElementById("ghhts"+tabnum).dispatchEvent(synth);
        if (mbstyle.split("-")[0] == "mng") toggleBlockHiders("S");
        if (typeof e == "object") e.target.blur();
        return
      }
    }
    if (document.getElementById("ghhmt1").style.display != "none" || document.getElementById("ghhmt4").style.display != "none"){
      document.getElementById("ghhmf1").setAttribute("disabled","disabled");
      document.getElementById("ghhutil").style.display == "none";
    }
    else {
      if (document.getElementById("ghhmf1").hasAttribute("disabled")) document.getElementById("ghhmf1").removeAttribute("disabled");
      if (bLUopen != "N") document.getElementById("ghhutil").style.display = "block";
    }
    setCurrentTab();
    if (mbstyle.split("-")[0] == "mng") toggleBlockHiders("S"); 
  }
  if (typeof e == "object") e.target.blur();
}
function setCurrentTab(){
  var k, tabnum;
  var tabset = document.querySelectorAll("#mflists>div");
  for (k=0; k<tabset.length; k++){
    tabnum = tabset[k].getAttribute("id");
    tabnum = tabnum.substr(tabnum.length-1);
    if (tabset[k].style.display != "none"){
      document.getElementById("ghhts"+tabnum).className = "ghhCurTab";
      if (mpopen.substr(0,1) == "Y"){
        mpopen = "Y-Y-"+tabnum;
        ghhPrefO.mngpaneopen[0] = mpopen;
        GM_setValue("ghhprefs",JSON.stringify(ghhPrefO));
      }
    }
    else document.getElementById("ghhts"+tabnum).className = "";
  }
}
// Functions relating to the Manage GHH form
function addManageForm(){
  var mfd = document.createElement("div");
  mfd.id = "ghhmngform";
  mfd.className = "ghhpane";
  mfd.setAttribute("style","display:none;");
  mfd.innerHTML = "<form onsubmit=\"return false;\"><div id=\"ghhtsdiv\">" +
    "<p style=\"margin:6px 0 -1px 0\" id=\"ghhtstrip\">" +
    "<button id=\"ghhts1\" title=\"General Use and Notices\">Home</button>" +
    "<button id=\"ghhts2\" title=\"Regular Block List\">Block</button>" +
    "<button id=\"ghhts3\" title=\"Perma-ban List\">Perma-ban</button>" +
    "<button id=\"ghhts4\" title=\"Manage Script Options\">Options</button></p></div>" +
    "<div id=\"mflists\" style=\"width:230px\">" +
    "<div id=\"ghhmt1\"><p>Welcome to Google Hit Hider!</p>" +
    "<div class=\"ghhtab\">" +
    "<p style=\"padding:0.25em;margin:0.25em\">Click the block button ( <button class=\"ghhider\" onclick=\"return false;\">" + txts.block[0] + "</button> ) " +
    "next to a hit title to block results from that site. A <b>regular</b> blocked hit becomes a one-line notation, " +
    "while a <b>Perma-ban</b> disappears completely.</p>" +
    "<p style=\"border-top:1px solid #000; padding:0.25em;margin:0.25em\"><label title=\"Switch between showing and hiding result titles " +
    "for regular blocked hits\"><input type=\"checkbox\" name=\"chkshownotc\" id=\"chkshownotc\"> Show hidden hit notices</label><br>" +
    "<label title=\"Switch between block dialog and one-click blocking\"><input type=\"checkbox\" name=\"chk1click\" " +
    "id=\"chk1click\"> Enable 1-click blocking</label></p>" +
    "<p style=\"border-top:1px solid #000; padding:0.25em;margin:0.25em\">v1.7.3 &copy; 2016 Jefferson Scher. Learn more on " +
    "<a href=\"" + script_about + "\">this script's page</a>.</p></div></div>" +
    "<div id=\"ghhmt2\" style=\"display:none\"><p>Click to remove from regular block list:</p>" +
    "<div class=\"ghhtab\"><ul id=\"ghhsitelist\"></ul></div></div>\n" +
    "<div id=\"ghhmt3\" style=\"display:none\"><p>Click to remove from Perma-ban list:</p>" +
    "<div class=\"ghhtab\"><ul id=\"ghhpbanlist\"></ul></div></div>" +
    "<div id=\"ghhmt4\" style=\"display:none\"><p>Manage script options:</p>" +
    "<div class=\"ghhtab\" id=\"btnedit\">" +
    "<p id=\"addradios\">Add newly blocked domains:<br>" +
    "<label><input type=\"radio\" name=\"addpos\" value=\"end\"> at the end of the list</label><br>" +
    "<label><input type=\"radio\" name=\"addpos\" value=\"top\"> at the top of the list</label><br>" +
    "<label><input type=\"radio\" name=\"addpos\" value=\"sort\"> in alphabetical order</label></p>" +
    "<p id=\"aggressrads\" style=\"border-top:1px solid #000;padding-top:0.25em;margin-bottom:8px\">Block form defaults to:<br>" +
    "<label><input type=\"radio\" name=\"agglevel\" value=\"none\"> always the full domain</label><br>" +
    "<label><input type=\"radio\" name=\"agglevel\" value=\"all\"> always the partial domain</label><br>" +
    "<label><input type=\"radio\" name=\"agglevel\" value=\"www\"> partial domain for www only</label></p>" +
    "<p id=\"btnradios\" style=\"border-top:1px solid #000;padding-top:0.25em;margin-bottom:8px\">User interface style:<br>" +
    "<label><input type=\"radio\" name=\"uistyle\" value=\"both\"> Show Manage Hiding &amp; " + txts.block[0] + "</label><br>" +
    "<label>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type=\"checkbox\" name=\"mbiframe\" id=\"mbiframe\"> Manage Hiding in iframes</label><br>" +
    "<label title=\"You can click a " + txts.block[0] + " button to open this dialog\"><input type=\"radio\" name=\"uistyle\" value=\"blk\"> Hide Manage Hiding button</label><br>" +
    "<label title=\"" + txts.block[0] + " buttons will appear only when this dialog is displayed\"><input type=\"radio\" name=\"uistyle\" value=\"mng\"> Hide " + txts.block[0] + " buttons</label><br>" +
    "<span style=\"display:inline-block;margin-top:4px;\">Manage Hiding button position:</span><br>" +
    "<label><input type=\"radio\" name=\"mngbtnpos\" value=\"R\"> Side</label> " +
    "<label><input type=\"radio\" name=\"mngbtnpos\" value=\"T\"> Top</label> " +
    "<label><input type=\"radio\" name=\"mngbtnpos\" value=\"B\"> Bottom</label><br>" +
    "<span style=\"display:inline-block;margin-top:4px;\">Block button position <i>(reloads)</i>:</span><br>" +
    "<label><input type=\"radio\" name=\"blockposit\" value=\"H\"> Headline</label> " +
    "<label><input type=\"radio\" name=\"blockposit\" value=\"C\"> Cite line</label><br>" +
    "<span style=\"display:inline-block;margin-top:4px;\">Display block buttons:</span><br>" +
    "<label><input type=\"radio\" name=\"blockdisp\" value=\"P\"> Always</label> " +
    "<label><input type=\"radio\" name=\"blockdisp\" value=\"M\"> On Mouseover</label><br>" +
    "<span style=\"display:inline-block;margin-top:4px;\">Block button tooltips:</span><br>" +
    "<label><input type=\"radio\" name=\"blockttip\" value=\"Y\"> Full Detail</label> " +
    "<label><input type=\"radio\" name=\"blockttip\" value=\"N\"> None</label></p>" +
    "<p id=\"miscpref\" style=\"border-top:1px solid #000;padding-top:0.25em;margin-bottom:8px\">Misc Preferences:<br>" +
    "<label><input type=\"checkbox\" name=\"chkajax\" id=\"chkajax\"> Instant/AJAX/Autopager</label><br>" +
    "<label><input type=\"checkbox\" name=\"chkdom4\" id=\"chkdom4\"> DOM4 Mutation Observer</label><br>" +
    "<label><input type=\"checkbox\" name=\"chkmpopen\" id=\"chkmpopen\"> Re-open Management Pane</label><br>" +
    "<label><input type=\"checkbox\" name=\"chk1pban\" id=\"chk1pban\"> 1-click to Perma-ban list</label><br>" +
    "<label title=\"Try out features that haven't been completely tested\"><input type=\"checkbox\" name=\"chkbeta\" " +
    "id=\"chkbeta\"> Enable beta features</label></p>" +
    "<p style=\"border-top:1px solid #000;padding-top:0.25em;margin-bottom:8px\">Edit captions:</p>" +
    "<p><button class=\"ghhider\" id=\"ghhedit1\" key=\"block\">" + txts.block[0] + "</button> " +
    "<button class=\"ghhider\" id=\"ghhedit3\" key=\"unblock\" style=\"background:#9f6\">" + txts.unblock[0] + "</button> " +
    "<button class=\"ghhider\" id=\"ghhedit2\" key=\"pban\" style=\"background:#f66\">" + txts.pban[0] + "</button></p>" + 
    "<p><i>Reload to complete changes</i></p><p><button id=\"ghhmfr\">Restore default captions</button></p>" +
    "<p style=\"border-top:1px solid #000;padding-top:0.25em;margin-bottom:8px\">Custom style rules:<br>" +
    "<button id=\"ghhecsr\">Edit Custom Style Rules</button></p></div></div>" +
    "</div><p style=\"text-align:center;white-space:pre;margin:1em 0\">" +
    "<button id=\"ghhmf1\">" + txts.savebtn[0] + "<span id=\"numchgs\"></span></button> " +
    "<button id=\"ghhmf3\" title=\"Display additional buttons for list management\">List Util" +  
    "</button> <button id=\"ghhmf2\">" + txts.closebtn[0] + "</button></p><p id=\"ghhutil\" style=\"display:none\">" +
    "<button id=\"ghhmf4\" title=\"Display block list for copying to backup or share\">" + 
    txts.eximbtn[0] + "</button> <button id=\"ghhmf7\" title=\"Import domains to the block list\">" + 
    txts.impobtn[0] + "</button> <button id=\"ghhmf8\" title=\"Post block list to the web\" disabled=\"disabled\">" + 
    txts.sharebtn[0] + "</button><br /><button id=\"ghhmf5\" title=\"Sort list in alphabetical order\">" + 
    txts.sortbtn[0] + "</button> <button id=\"ghhmf6\" title=\"De-duplicate block list by removing unnecessary domains\">" + 
    txts.dedupbtn[0] + "</button> <button id=\"ghhmf9\" title=\"Remove www from blocked domains\">" + 
    txts.unwwwbtn[0] + "</button></p></form>";
  document.body.appendChild(mfd);
  fixShowHideBtn();
  fixuistyle();
  fixaddpos();
  fixaggblock();
  fixajaxstyle();
  fixpanepersist();
  fix1clickstyle();
  fixBeta();
  document.getElementById("ghhts1").addEventListener("click",togglelist,true); // tabs
  document.getElementById("ghhts2").addEventListener("click",togglelist,true);
  document.getElementById("ghhts3").addEventListener("click",togglelist,true);
  document.getElementById("ghhts4").addEventListener("click",togglelist,true);
  document.getElementById("chkshownotc").addEventListener("change",updtpref,true); // home
  document.getElementById("chk1click").addEventListener("change",updt1click,true);
  document.getElementById("ghhsitelist").addEventListener("click",togglesite,true); // block
  document.getElementById("ghhpbanlist").addEventListener("click",togglesite,true); // pban
  document.getElementById("addradios").addEventListener("change",updtaddpos,true); // options
  document.getElementById("aggressrads").addEventListener("change",updtaggress,true);
  document.getElementById("chkajax").addEventListener("change",updtAJAX,true);
  document.getElementById("chkdom4").addEventListener("change",updtAJAX,true);
  document.getElementById("chkmpopen").addEventListener("change",updtpersist,true);
  document.getElementById("chk1pban").addEventListener("change",updt1click,true);
  document.getElementById("chkbeta").addEventListener("change",updtBeta,true);
  document.getElementById("btnradios").addEventListener("change",updtuistyle,true);
  document.getElementById("ghhedit1").addEventListener("click",chgcaption,true);
  document.getElementById("ghhedit2").addEventListener("click",chgcaption,true);
  document.getElementById("ghhedit3").addEventListener("click",chgcaption,true);
  document.getElementById("ghhmfr").addEventListener("click",resetTextStrings,true);
  document.getElementById("ghhecsr").addEventListener("click",openCustomStyleBar,true);
  document.getElementById("ghhmf1").addEventListener("click",saveedits,true); // buttons
  document.getElementById("ghhmf2").addEventListener("click",ghhcloseform,true);
  document.getElementById("ghhmf3").addEventListener("click",toggleListUtil,true);
  document.getElementById("ghhmf4").addEventListener("click",exportlist,true);
  document.getElementById("ghhmf5").addEventListener("click",sortlist,true);
  document.getElementById("ghhmf6").addEventListener("click",dedup,true);
  document.getElementById("ghhmf7").addEventListener("click",importlist,true);
  document.getElementById("ghhmf9").addEventListener("click",unwww,true);
}
function togglelist(e){ // Change tabs
  e.target.blur();
  if (e.target.className == "ghhCurTab") return;
  var tabbtns = document.querySelectorAll("#ghhtstrip>button");
  var k, tabnum;
  for (k=0; k<tabbtns.length; k++){
    tabnum = tabbtns[k].id;
    tabnum = tabnum.substr(tabnum.length-1);
    if (e.target.id == tabbtns[k].id){
      document.getElementById("ghhmt"+tabnum).style.display = "";
    } else {
      document.getElementById("ghhmt"+tabnum).style.display = "none";
    }
  }
  if (document.getElementById("ghhmt1").style.display != "none" || document.getElementById("ghhmt4").style.display != "none"){
    document.getElementById("ghhmf1").setAttribute("disabled","disabled");
    document.getElementById("ghhutil").style.display = "none";
  } else {
    if (document.getElementById("ghhmf1").hasAttribute("disabled")) document.getElementById("ghhmf1").removeAttribute("disabled");
    if (bLUopen != "N") document.getElementById("ghhutil").style.display = "block";
  }
  setCurrentTab();
}
function toggleListUtil(e){ // Display/close extra set of buttons
  e.target.blur();
  var p = document.getElementById("ghhutil");
  if (!p) return;
  // If not displaying a list now, move to a list
  if (document.getElementById("ghhmt1").style.display != "none" || document.getElementById("ghhmt4").style.display != "none"){
    var synth = document.createEvent("MouseEvents");
    synth.initMouseEvent("click", true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
    document.getElementById("ghhts2").dispatchEvent(synth);
    p.style.display = "block";  // Always open button pane
    bLUopen = "Y";
  } else {
    if (p.style.display != "block"){  // Toggle when list already was displayed
      p.style.display = "block";
      bLUopen = "Y";
    } else {
      p.style.display = "none";
      bLUopen = "N";
    }
  }
}
function togglesite(e){ // Designate list items for unblock, pban or block
  var t, l, s, pid;
  t = e.target;
  if (t.className == "ghhinfo") t = t.nextElementSibling;
  l = t.parentNode;
  pid = l.parentNode.id;
  switch (t.className){
    case "ghhhost ghhpb":
      t.className = "ghhhost ghhblk";  // toggle to block
      if (l.nodeName == "LI"){
        if (pid == "ghhsitelist"){
          l.children[0].style.display = "none";
          listchgs = listchgs - 1;
        } else {
          l.children[0].style.display = "inline";
          l.children[0].textContent = "to " + txts.block[0];
          l.children[0].style.backgroundColor = "#ccc";
          listchgs = listchgs + 1;
        }
      }
      break;
    case "ghhhost ghhdel":
      t.className = "ghhhost ghhpb";   // toggle to perma-ban
      if (l.nodeName == "LI"){
        if (pid == "ghhpbanlist"){
          l.children[0].style.display = "none";
          listchgs = listchgs - 1;
        } else {
          l.children[0].style.display = "inline";
          l.children[0].textContent = "to " + txts.pban[0];
          l.children[0].style.backgroundColor = "#f66";
        }
      }
      break;
    default:
      t.className = "ghhhost ghhdel";  // toggle to unblock
      if (l.nodeName == "LI"){
        l.children[0].style.display = "inline";
        l.children[0].textContent = "to " + txts.unblock[0];
        l.children[0].style.backgroundColor = "#9f6";
        if (pid == "ghhsitelist"){
          listchgs = listchgs + 1;
        }
      }
  }
}
function saveedits(e){  // Save changes made on tabs 2 and 3
  if (e){
    if (listchgs == 0){
      if (!confirm("No changes detected. Save anyway?")){
        e.target.blur();
        return;
      }
    } else {
      if (!confirm("Save changes to block list?")){
        e.target.blur();
        return;
      }
    }
  } 
  var slist, i, sp, ttemp, ptemp;
  slist = document.getElementById("ghhsitelist");
  ttemp = "";
  ptemp = "";
  for (i=0;i<slist.children.length;i++){
    if (slist.children[i].nodeName == "LI") {
      sp = slist.children[i].children[1];
      switch (sp.className){
        case "ghhhost ghhblk":
          ttemp += sp.textContent + ":t|";
          break;
        case "ghhhost ghhpb":
          ptemp += sp.textContent + ":p|";
          break;
        default:
          // to be unblocked
      }
    }
  }
  slist = document.getElementById("ghhpbanlist");
  for (i=0;i<slist.children.length;i++){
    if (slist.children[i].nodeName == "LI") {
      sp = slist.children[i].children[1];
      switch (sp.className){
        case "ghhhost ghhblk":
          ttemp += sp.textContent + ":t|";
          break;
        case "ghhhost ghhpb":
          ptemp += sp.textContent + ":p|";
          break;
        default:
          // to be unblocked
      }
    }
  }
  GM_setValue("hideyhosts", "|" + ttemp + ptemp);
  blist = GM_getValue("hideyhosts");
  hidehits(null,true);
  refreshSiteList();  
  listchgs = 0;
  if (e) e.target.blur();
}
function refreshSiteList(){ // Rebuild lists for tabs 2 and 3
  var sarray, slist, pblist, i, j, k, litem;
  if (blist.substr(0,1) != "|") blist = "|" + blist;
  sarray = blist.substr(1).split("|");
  slist = document.getElementById("ghhsitelist");
  slist.innerHTML = "";
  pblist = document.getElementById("ghhpbanlist");
  pblist.innerHTML = "";
  j = 0; k = 0;
  for (i=0; i<sarray.length-1; i++){
    if (sarray[i].indexOf(":p")<0) {
      litem = document.createElement("li");
      if(sarray[i].indexOf(":")>0){
        litem.innerHTML = "<span class=\"ghhinfo\"></span><span class=\"ghhhost ghhblk\">" + sarray[i].substr(0, sarray[i].indexOf(":")) + "</span>";
      } else{
        litem.innerHTML = "<span class=\"ghhinfo\"></span><span class=\"ghhhost ghhblk\">" + sarray[i] + "</span>";
      }
      if (j % 2 == 0) litem.style.background = "#fcfcaa";
      slist.appendChild(litem);
      j += 1; 
    } else {
      litem = document.createElement("li");
      litem.innerHTML = "<span class=\"ghhinfo\"></span><span class=\"ghhhost ghhpb\">" + sarray[i].substr(0, sarray[i].indexOf(":")) + "</span>";
      if (k % 2 == 0) litem.style.background = "#fcfcaa";
      pblist.appendChild(litem);
      k += 1; 
    }
  }
}
function updtaddpos(e){ // Implement change for radio buttons re where to add to list
  var rads = e.target.parentNode.querySelectorAll("input[type='radio']");
  for (var i=0; i<rads.length; i++){
    if (rads[i].checked){
      if (rads[i].value == "sort"){
        if(confirm("Sort lists now? Sorting is irreversible.")){
          if (listchgs > 0) {
            if (confirm("You have unsaved changes to your lists. Save changes and sort, or cancel sorting?")){
              saveedits(null);
            } else {
              fixaddpos();
              return;
            }
          }
          sortlist(null);
        } else {
          fixaddpos();
          return;
        }
      }
      addAt = rads[i].value;
      ghhPrefO.addtolistpos[0] = addAt;
      GM_setValue("ghhprefs",JSON.stringify(ghhPrefO));
      break;
    }
  }
  fixaddpos();
}
function fixaddpos(){ // Check appropriate radio button re where to add to list
  var rads = document.getElementById("addradios").querySelectorAll("input[type='radio']");
  for (i=0; i<rads.length; i++){
    if (rads[i].value == addAt){
      rads[i].setAttribute("checked","checked");
      rads[i].checked = true;
    }
    else{
      if (rads[i].hasAttribute("checked")){
        rads[i].removeAttribute("checked");
        rads[i].checked = false;
      }
    }
  }
}
function updtaggress(e){ // Implement change for radio buttons re default domain to block
  var rads = e.target.parentNode.querySelectorAll("input[type='radio']");
  for (var i=0; i<rads.length; i++){
    if (rads[i].checked){
      bAggress = rads[i].value;
      ghhPrefO.aggressiveblock[0] = bAggress;
      GM_setValue("ghhprefs",JSON.stringify(ghhPrefO));
      break;
    }
  }
  fixaggblock();
}
function fixaggblock(){ // Check appropriate radio button re default domain to block
  var rads = document.getElementById("aggressrads").querySelectorAll("input[type='radio']");
  for (i=0; i<rads.length; i++){
    if (rads[i].value == bAggress){
      rads[i].setAttribute("checked","checked");
      rads[i].checked = true;
    }
    else{
      if (rads[i].hasAttribute("checked")){
        rads[i].removeAttribute("checked");
        rads[i].checked = false;
      }
    }
  }
}
function updtuistyle(e){ // Store settings for buttons to display
  var mbparts = mbstyle.split("-");
  if (mbparts.length == 1) mbparts.push("ifrN");
  if (mbparts.length == 2) mbparts.push("R");
  if (mbparts.length == 3) mbparts.push("P");
  if (mbparts.length == 4) mbparts.push("Y");
  if (mbparts.length == 5) mbparts.push("H");
  if (e.target.id == "mbiframe") { // Handle iframe checkbox
    var chk = e.target;
    if (chk.checked){
      mbparts[1] = "ifrY";
    } else {
      mbparts[1] = "ifrN";
    }
    mbstyle = mbparts.join("-");
    ghhPrefO.mngbtnstyle[0] = mbstyle;
    GM_setValue("ghhprefs",JSON.stringify(ghhPrefO));
  } else { // Handle radio buttons
    if (e.target.getAttribute("name") == "uistyle"){
      var rads = e.target.parentNode.querySelectorAll("input[name='uistyle']");
      for (var i=0; i<rads.length; i++){
        if (rads[i].checked){
          switch (rads[i].value){
            case "blk":
              mbparts[0] = rads[i].value;
              document.getElementById("ghhMngBtn").parentNode.removeChild(document.getElementById("ghhMngBtn"));
              alert("After you close the management pane, click any block button to open it again.");
              break;
            case "mng":
              if(confirm("Display block buttons only when this dialog is open?")) mbparts[0] = "mng";
              else e.target.checked = false;
              break;
            default:
              mbparts[0] = "both";
              if (!document.getElementById("ghhMngBtn")) addMngBtn();
          }
          mbstyle = mbparts.join("-");
          ghhPrefO.mngbtnstyle[0] = mbstyle;
          GM_setValue("ghhprefs",JSON.stringify(ghhPrefO));
          break;
        }
      }
    } else { // Handle Management Button position and block button display style
      var rads = e.target.parentNode.querySelectorAll("input[name='mngbtnpos']");
      for (var i=0; i<rads.length; i++){
        if (rads[i].checked){
          mbparts[2] = rads[i].value;
          mbstyle = mbparts.join("-");
          ghhPrefO.mngbtnstyle[0] = mbstyle;
          GM_setValue("ghhprefs",JSON.stringify(ghhPrefO));
          break;
        }
      }
      rads = e.target.parentNode.querySelectorAll("input[name='blockdisp']");
      for (i=0; i<rads.length; i++){
        if (rads[i].checked){
          mbparts[3] = rads[i].value;
          mbstyle = mbparts.join("-");
          ghhPrefO.mngbtnstyle[0] = mbstyle;
          GM_setValue("ghhprefs",JSON.stringify(ghhPrefO));
          break;
        }
      }
      rads = e.target.parentNode.querySelectorAll("input[name='blockttip']");
      for (i=0; i<rads.length; i++){
        if (rads[i].checked){
          mbparts[4] = rads[i].value;
          mbstyle = mbparts.join("-");
          ghhPrefO.mngbtnstyle[0] = mbstyle;
          GM_setValue("ghhprefs",JSON.stringify(ghhPrefO));
          break;
        }
      }    
      rads = e.target.parentNode.querySelectorAll("input[name='blockposit']");
      for (i=0; i<rads.length; i++){
        if (rads[i].checked){
          mbparts[5] = rads[i].value;
          mbstyle = mbparts.join("-");
          ghhPrefO.mngbtnstyle[0] = mbstyle;
          GM_setValue("ghhprefs",JSON.stringify(ghhPrefO));
          window.location.reload();
          break;
        }
      }    
    }
  }
  fixuistyle();
}
function fixuistyle(){  // Check appropriate radio button re buttons to display
  if (mbstyle.split("-").length == 1) mbstyle = mbstyle + "-ifrN-R-P-Y-H";
  if (mbstyle.split("-").length == 2) mbstyle = mbstyle + "-R-P-Y-H";
  if (mbstyle.split("-").length == 3) mbstyle = mbstyle + "-P-Y-H";
  if (mbstyle.split("-").length == 4) mbstyle = mbstyle + "-Y-H";
  if (mbstyle.split("-").length == 5) mbstyle = mbstyle + "-H";
  var rads = document.getElementById("btnradios").querySelectorAll("input[name^='uistyle']");
  for (i=0; i<rads.length; i++){
    if (rads[i].value == mbstyle.split("-")[0]){
      rads[i].setAttribute("checked","checked");
      rads[i].checked = true;
    }
    else{
      if (rads[i].hasAttribute("checked")){
        rads[i].removeAttribute("checked");
        rads[i].checked = false;
      }
    }
  }
  var chk = document.getElementById("mbiframe");
  if (mbstyle.split("-")[1] == "ifrY"){
    chk.setAttribute("checked","checked");
    chk.checked = true;
  } else {
    chk.removeAttribute("checked");
    chk.checked = false;  
  }
  var rads = document.getElementById("btnradios").querySelectorAll("input[name^='mngbtnpos']");
  for (i=0; i<rads.length; i++){
    if (rads[i].value == mbstyle.split("-")[2]){
      rads[i].setAttribute("checked","checked");
      rads[i].checked = true;
    }
    else{
      if (rads[i].hasAttribute("checked")){
        rads[i].removeAttribute("checked");
        rads[i].checked = false;
      }
    }
  }
  var rads = document.getElementById("btnradios").querySelectorAll("input[name^='blockdisp']");
  for (i=0; i<rads.length; i++){
    if (rads[i].value == mbstyle.split("-")[3]){
      rads[i].setAttribute("checked","checked");
      rads[i].checked = true;
    }
    else{
      if (rads[i].hasAttribute("checked")){
        rads[i].removeAttribute("checked");
        rads[i].checked = false;
      }
    }
  }
  var rads = document.getElementById("btnradios").querySelectorAll("input[name^='blockttip']");
  for (i=0; i<rads.length; i++){
    if (rads[i].value == mbstyle.split("-")[4]){
      rads[i].setAttribute("checked","checked");
      rads[i].checked = true;
    }
    else{
      if (rads[i].hasAttribute("checked")){
        rads[i].removeAttribute("checked");
        rads[i].checked = false;
      }
    }
  }
  var rads = document.getElementById("btnradios").querySelectorAll("input[name^='blockposit']");
  for (i=0; i<rads.length; i++){
    if (rads[i].value == mbstyle.split("-")[5]){
      rads[i].setAttribute("checked","checked");
      rads[i].checked = true;
    }
    else{
      if (rads[i].hasAttribute("checked")){
        rads[i].removeAttribute("checked");
        rads[i].checked = false;
      }
    }
  }
  toggleciteline(mbstyle.split("-")[5]);
}
function updtAJAX(e){ // Store settings for AJAX preferences
  var chk = e.target;
  if (chk.id == "chkajax"){
    if (chk.checked){
      bAJAX = "on";
      if (chgMon) chgMon.disconnect();
      else document.body.removeEventListener("DOMSubtreeModified", checkOlist, false);
      setMutationWatch();
    } else {
      bAJAX = "off";
      if (chgMon) chgMon.disconnect();
      else document.body.removeEventListener("DOMSubtreeModified", checkOlist, false);
    }
  } else {
    if (chk.checked){
      bMutOb = "Y";
      if (!chgMon){
        if (bAJAX){
          document.body.removeEventListener("DOMSubtreeModified", checkOlist, false);
          setMutationWatch();
        }
      }
    } else {
      bMutOb = "N";
      if (chgMon) chgMon.disconnect();
      if (bAJAX){
        document.body.removeEventListener("DOMSubtreeModified", checkOlist, false);
        setMutationWatch();
      }
    }
  }
  ghhPrefO.usemutation[0] = bAJAX + "-" + bMutOb;
  GM_setValue("ghhprefs",JSON.stringify(ghhPrefO));
  fixajaxstyle();
}
function fixajaxstyle(){  // Check boxes for AJAX preferences
  var chk = document.getElementById("chkajax");
  if (bAJAX == "on"){
    chk.setAttribute("checked","checked");
    chk.checked = true;
  } else {
    chk.removeAttribute("checked");
    chk.checked = false;  
  }
  var chk = document.getElementById("chkdom4");
  if (bMutOb == "Y"){
    chk.setAttribute("checked","checked");
    chk.checked = true;
  } else {
    chk.removeAttribute("checked");
    chk.checked = false;  
  }
}
function updtpersist(e){ // Store setting for persistence preference
  var chk = e.target;
  if (chk.checked){
    mpopen = "Y" + mpopen.substr(1);
  } else {
    mpopen = "N" + mpopen.substr(1);
  }
  ghhPrefO.mngpaneopen[0] = mpopen;
  GM_setValue("ghhprefs",JSON.stringify(ghhPrefO));
  fixpanepersist();
}
function fixpanepersist(){  // Check box for persistence preference
  var chk = document.getElementById("chkmpopen");
  if (mpopen.substr(0,1) == "Y"){
    chk.setAttribute("checked","checked");
    chk.checked = true;
  } else {
    chk.removeAttribute("checked");
    chk.checked = false;  
  }
}
function updt1click(e){ // Store setting for 1-click preferences
  var chk = e.target;
  if (chk.id == "chk1click" || chk.id == "chk1clickbf"){
    if (chk.checked){
      pref1click = "Y" + pref1click.substr(1,2);
    } else {
      pref1click = "N" + pref1click.substr(1,2);
    }
  } else {
    if (chk.checked){
      pref1click = pref1click.substr(0,2) + "Y";
    } else {
      pref1click = pref1click.substr(0,2) + "N";
    }
  }
  ghhPrefO.oneclick[0] = pref1click;
  GM_setValue("ghhprefs",JSON.stringify(ghhPrefO));
  e.stopPropagation();
  fix1clickstyle();
}
function fix1clickstyle(){  // Check boxes for one-click preferences
  var chkMP = document.getElementById("chk1click");
  var chkBF = document.getElementById("chk1clickbf");
  if (pref1click.substr(0,1) == "Y"){
    chkMP.setAttribute("checked","checked");
    chkMP.checked = true;
    if (chkBF){
      chkBF.setAttribute("checked","checked");
      chkBF.checked = true;
    }
  } else {
    chkMP.removeAttribute("checked");
    chkMP.checked = false;  
    if (chkBF){
      chkBF.removeAttribute("checked");
      chkBF.checked = false;  
    }
  }
  chk = document.getElementById("chk1pban");
  if (pref1click.substr(2,1) == "Y"){
    chk.setAttribute("checked","checked");
    chk.checked = true;
  } else {
    chk.removeAttribute("checked");
    chk.checked = false;  
  }
}
function updtBeta(e){ // Store setting for runbeta preference
  var chk = e.target;
  if (chk.checked){
    betatest = "Y";
  } else {
    betatest = "N";
  }
  ghhPrefO.runbeta[0] = betatest;
  GM_setValue("ghhprefs",JSON.stringify(ghhPrefO));
  fixBeta();
}
function fixBeta(){  // Check box for runbeta preference
  var chk = document.getElementById("chkbeta");
  if (betatest == "Y"){
    chk.setAttribute("checked","checked");
    chk.checked = true;
  } else {
    chk.removeAttribute("checked");
    chk.checked = false;  
  }
}
function chgcaption(e){ // Store button caption changes (but do not immediately refresh)
  var btn, key, input;
  btn = e.target;
  key = e.target.getAttribute("key");
  e.target.blur();
  input = prompt(txts[key][1], txts[key][0]);
  if (!input) return;
  if (input.length > 0 && input != txts[key][0]){
    txts[key][0] = input.replace(/\"/g,"''");
    btn.appendChild(document.createTextNode(txts[key][0]));
    btn.removeChild(btn.firstChild);
    GM_setValue("textstrings",JSON.stringify(txts));
  }
}
function resetTextStrings(e){ // Reset buttons captions to defaults
  if (confirm("Restore default button captions?")){
    txts = defaultTxts;
    GM_setValue("textstrings",JSON.stringify(txts)); // requires Fx 3.5+
    alert("Please reload to see the changes.");
    e.target.blur();
  }
}
function exportlist(e){ // Display and populate export form, clean up from any prior use
  if (!document.getElementById("ghhexport")) insertExportForm();
  var expDiv = document.getElementById("ghhexport");
  document.getElementById("ghheximhead").innerHTML = "Export Block List";
  document.getElementById("ghheximinfo1").innerHTML = "These boxes display your current block list. <br /><br />" +
    "On the left, you have the list in its native format. By saving this format, you can preserve your regular/Perma-ban " + 
    "block decisions. <br /><br />On the right, you have a simple list of domains. " +
    "This would be a good format for sharing your list with others.";
  document.getElementById("ghhtaleft").value = GM_getValue("hideyhosts");
  var domList = GM_getValue("hideyhosts").substr(1).replace(/:[tp]\|/g, "\n");
  document.getElementById("ghhtaright").value = domList.replace(/\n*$/, "");
  document.getElementById("ghhleftcontrols").style.display = "none";
  document.getElementById("ghhrightcontrols").style.display = "none";
  document.getElementById("ghhtbldiv").style.display = "none";
  if (document.getElementById("ghhtaright").style.display == "none") document.getElementById("ghhtaright").style.display = "";
  expDiv.style.display = "block";
  e.target.blur();
}
function insertExportForm(){
  var dNew, btn, par, ta;
  dNew = document.createElement("div");
  dNew.id = "ghhexport";
  dNew.className = "ghhpane";
  dNew.setAttribute("style","position:fixed;top:10%;left:5%;width:90%;z-index:1001;background:#ddd;padding:1em;font-size:1.25em;display:none");
  dNew.innerHTML = "<button onclick=\"this.parentNode.style.display='none'\" style=\"float: right; margin: 0 0 4px 4px;\" class=\"ghhider\">Close</button>" +
  "<p style=\"margin-top:0; font-weight: bold;\" id=\"ghheximhead\"></p>" +
  "<p id=\"ghheximinfo1\"></p>" +
  "<div id=\"ghhleft\" style=\"width:49%;float:left\"><textarea id=\"ghhtaleft\" " +
    "spellcheck=\"false\" style=\"width:100%;height:300px;overflow-y:scroll\"></textarea>" +
    "<div id=\"ghhleftcontrols\" style=\"clear:left;display:none\"><p><button id=\"ghhexp1\">Parse List for Import</button></p></div></div>" +
  "<div id=\"ghhright\" style=\"width:49%;float:right\"><textarea id=\"ghhtaright\" " +
    "spellcheck=\"false\" style=\"width:100%;height:300px;overflow-y:scroll\"></textarea>" +
    "<div id=\"ghhtbldiv\" style=\"height:298px;overflow-y:scroll;overflow-x:scroll;background:#fff;padding:4px 0 0 4px;border:1px solid #aac;margin-top:1px;display:none\"></div> " +
    "<div id=\"ghhrightcontrols\" style=\"clear:right;display:none\"><p id=\"impradios\">Please review the above list for accuracy. If correct, add domains to: <br>" +
    "<label><input type=\"radio\" name=\"impbtype\" value=\"asis\">&nbsp;the list specified under Block Type</label> <br />" +
    "<label><input type=\"radio\" name=\"impbtype\" value=\"t\">&nbsp;the regular block list</label> <br />" +
    "<label><input type=\"radio\" name=\"impbtype\" value=\"p\">&nbsp;the Perma-ban list</label> &nbsp; " +
    "<button id=\"ghhexp2\">Import</button></p></div></div>";
  document.body.appendChild(dNew);
}
function importlist(e){ // Display import form, clean up from any prior use
  if (!document.getElementById("ghhexport")) insertExportForm();
  var expDiv = document.getElementById("ghhexport");
  document.getElementById("ghheximhead").innerHTML = "Import Block List";
  document.getElementById("ghheximinfo1").innerHTML = "<strong>As a precaution in case something goes wrong, please use the Export feature to copy " +
    "and save your current list as a backup.</strong> <br /><br />" +
    "To begin, paste your list into the left box below. Then click the Parse List for Import button. This script can import a list in its own native format, or a plain list of domains with a separate domain on each line, or " +
    "separated by spaces. (It also converts the Noise Reduction for Google and Google Domain Blocker formats.)";
  document.getElementById("ghhtaleft").value = "";
  document.getElementById("ghhleftcontrols").style.display = "";
  document.getElementById("ghhexp1").addEventListener("click",parseList,true);
  document.getElementById("ghhtaright").style.display = "none";
  document.getElementById("ghhtbldiv").style.display = "none";
  expDiv.style.display = "block";
  e.target.blur();
}
function parseList(e){  // Parse putative domain list and redisplay cleaned up
  var txt, sites = [], bHasTypes = 0, i, tbod, thd, rasis, lbpos, rbpos;
  txt = document.getElementById("ghhtaleft").value;
  if (txt.length < 4){
    alert("Block list too short!");
    return;
  }
  document.getElementById("ghhtbldiv").innerHTML = "";
  // clean up/convert domain list to pipe-delimited
  txt = txt.replace(/(http|https):/g, "");
  txt = txt.replace(/(,|\/|;)/g, "|");
  txt = txt.replace(/\s+/g, "|");
  txt = txt.replace(/\|+/g, "|");
  txt = txt.replace(/[\<\>"'=#\!\u2018\u2019\(\)\{\}]/g, "");
  // strip regex
  txt = txt.replace(/(\+|\*|\$|\\)/g, "");
  while (txt.indexOf("[") > -1 && txt.indexOf("]") > -1){
    lbpos = txt.indexOf("[");
    rbpos = txt.indexOf("]")
    if (lbpos > 0 && rbpos + 1 < txt.length) txt = txt.substring(0,lbpos) + txt.substring(rbpos+1);
    else {
      if (lbpos == 0 && rbpos + 1 < txt.length) txt = txt.substring(rbpos+1);
      else break; // for some reason, entire list is bracketed??
    }
  }
  if (txt.indexOf(":") > -1) bHasTypes = 1;
  sites = txt.split("|");
  for (i=0; i<sites.length; i++){
    if (sites[i].length > 1){
      if (sites[i].indexOf(".") == 0) sites[i] = sites[i].substr(1);
      if (sites[i].indexOf("?") > -1) sites[i] = sites[i].substr(0,sites[i].indexOf("?"));
      if (bHasTypes == 1){
        if (sites[i].indexOf(":t") == sites[i].length - 2 || sites[i].indexOf(":p") == sites[i].length - 2){
          sites[i] = "<tr><td>" + sites[i].replace(":t","</td><td>regular").replace(":p","</td><td>Perma-ban") + "</td></tr>";
        } else {
          if (sites[i].indexOf(":") > -1) sites[i] = sites[i].substr(0, sites[i].indexOf(":")); 
          sites[i] = "<tr><td>" + sites[i] + "</td><td>(unspecified)</td></tr>";
        }
      } else { // Plain list
        sites[i] = "<tr><td>" + sites[i] + "</td></tr>";
      }
    }
  }
  tbod = "<tbody>\n" + sites.join("\n") + "</tbody>";
  if (sites.length == 0){
    alert("Unable to parse the list, sorry."); return;
  }
  if (bHasTypes == 1) thd  = "<thead><tr><th>Domain</th><th>Block Type</th></tr></thead>";
  else thd  = "<thead><tr><th>Domain</th></tr></thead>";
  document.getElementById("ghhtbldiv").innerHTML = "<table cellspacing=\"0\" class=\"ghhtbl\" id=\"ghhparsed\">" + thd + tbod + "</table>";
  document.getElementById("ghhtbldiv").style.display = "";
  rasis = document.getElementById("ghhrightcontrols").querySelectorAll("input[value='asis']")[0];
  if (bHasTypes == 1){
    if (rasis.hasAttribute("disabled")) rasis.removeAttribute("disabled");
    rasis.checked = true;
    rasis.parentNode.style.color = "";
  } else {
    rasis.setAttribute("disabled","disabled");
    rasis.parentNode.style.color = "rgb(172, 168, 153)";
    document.getElementById("ghhrightcontrols").querySelectorAll("input[value='t']")[0].checked = true;
  } 
  document.getElementById("ghhrightcontrols").style.display = "block";
  document.getElementById("ghhexp2").addEventListener("click",doImport,true);
  e.target.blur();
}
function doImport(e){ // Add sites from cleaned up domain list to script block lists
  var tbl, rads, i, typeRule, rows, dom, newDoms = "";
  tbl = document.getElementById("ghhparsed");
  if (!tbl){
    alert("Unable to locate table of parsed domains!");
    return;
  }
  if (tbl.parentNode.style.display == "none"){
    alert("Please start the import process again!");
    return;
  }
  rads = document.getElementById("ghhrightcontrols").querySelectorAll("input[type='radio']");
  for (i=0; i<rads.length; i++){
    if (rads[i].checked){
      typeRule = rads[i].value;
      break;
    }
  }
  rows = tbl.getElementsByTagName("tbody")[0].getElementsByTagName("tr");
  for (i=0; i<rows.length; i++){
    dom = rows[i].children[0].textContent;
    if (dom.lastIndexOf(".") < dom.length-2 && dom.indexOf(".") > 1){
      switch (typeRule){
        case "asis":
          if (rows[i].children[1].textContent == "Perma-ban") newDoms += dom + ":p|";
          else newDoms += dom + ":t|";
          break;
        default:
          newDoms += dom + ":" + typeRule + "|";
      }
      rows[i].style.backgroundColor = "#ff0";
    } else {
      rows[i].style.backgroundColor = "#f00";
    }
  }
  if (newDoms != ""){
    if (blist == "") blist = "|" + newDoms;
    else blist += newDoms;
    GM_setValue("hideyback",GM_getValue("hideyhosts"));
    GM_setValue("hideyhosts",blist);
    if(document.getElementById("ghhmngform").style.display=="block") refreshSiteList();
  }
  alert("Import of yellow-highlighted domains completed. Please check the Management Pane to " +
    "view, sort, and/or de-duplicate your imported domains.");
}
function sortlist(e){ // Alpha-sort block list
  if (listchgs > 0) {
    if (confirm("You have unsaved changes to your lists. Save changes and sort, or cancel sorting?")){
      saveedits(null);
    } else {
      return;
    }
  }
  if (blist.substr(0,1) != "|") blist = "|" + blist;
  var sarray = blist.substr(1,blist.length-2).split("|");
  sarray.sort();
  GM_setValue("hideyhosts", "|" + sarray.join("|") + "|");
  blist = GM_getValue("hideyhosts");
  refreshSiteList();
  if (e) e.target.blur();
}
function dedup(e){  // De-duplicate block lists
  if (!confirm("If you block example.com, you don't also need to block www.example.com. Remove unnecessary domains from the block list?")) return;
  var barray, i, j, iadd, smain, stest, sremd = "", sques = "";
  if (blist.substr(0,1) != "|") blist = "|" + blist;
  barray = blist.substr(1,blist.length-2).split("|");
  for (i=0; i<barray.length; i++){
    if (barray[i].indexOf(":t") > -1){
      barray[i] = barray[i].substr(0,barray[i].indexOf(":")).split(".").reverse().join(".") + "!t"; 
    } else {
      if (barray[i].indexOf(":p") > -1){
        barray[i] = barray[i].substr(0,barray[i].indexOf(":")).split(".").reverse().join(".") + "!p"; 
      } else {
        barray[i] = barray[i].split(".").reverse().join(".") + "!t";
      }
    }
  }
  barray.sort();
  for (i=0; i<barray.length-1; i++){
    iadd = 0;
    for (j=1; j<barray.length-i; j++){
      if (barray[i+j].indexOf(barray[i].substr(0,barray[i].length-2)) != 0) break;
      smain = barray[i].substr(0,barray[i].length-2).split(".").reverse().join(".");
      stest = barray[i+j].substr(0,barray[i+j].length-2).split(".").reverse().join(".");
      if (stest.indexOf(smain) < 0) break;
      if (barray[i].substr(barray[i].length-1) == barray[i+j].substr(barray[i+j].length-1)){
        blist = blist.replace(stest + ":" + barray[i+j].substr(barray[i+j].length-1) + "|", "");
        sremd += "|Removed: " + stest + "; Covered by: " + smain;
        iadd += 1;
      } else {
        stest += (barray[i+j].substr(barray[i+j].length-1) == "t") ? " (regular)" : " (permaban)";
        smain += (barray[i].substr(barray[i].length-1) == "t") ? " (regular)" : " (permaban)";
        sques += "|Didn't remove " + stest + " due to block type difference from " + smain;
      }
    }
    i += iadd;
  }
  GM_setValue("hideyhosts",blist);
  refreshSiteList();
  // ToDo: Alerts are temporary; nicer display "some day"
  if (sremd != "") alert(sremd.substr(1).replace(/\|/g,"\n"));
  if (sques != "") alert(sques.substr(1).replace(/\|/g,"\n"));
  if (sremd == "" && sques == "") alert("No unnecessary domains found.");
  if (e) e.target.blur();
}
function unwww(e){  // Remove www from beginnings of domains
  if (!confirm("You can block other subdomains on example.com by removing www from the beginning (e.g., blog.example.com). Update the block list?")) return;
  if (blist.substr(0,1) != "|") blist = "|" + blist;
  blist = blist.replace(/\|www\./g, "\|");
  GM_setValue("hideyhosts",blist);
  refreshSiteList();
  if (e) e.target.blur();
}
// Misc functions
function convertFormat(){
  if (blist.substr(0,1) != "|") blist = "|" + blist;
  blist = "|" + blist.slice(1).replace(/\|/g,":t|");
  GM_setValue("hideyhosts", blist);
}
function convertTxts(strTxts){
  var oldTxts;
  oldTxts = JSON.parse(strTxts);
  txts = defaultTxts;
  if (txtsPref.indexOf(":[") == -1){  // 0.8x to 0.9x+
    txts.block[0] = oldTxts.block;
    txts.unblock[0] = oldTxts.unblock;
    txts.pban[0] = oldTxts.pban;
    txts.okbtn[0] = oldTxts.okbtn;
    txts.cancelbtn[0] = oldTxts.cancelbtn;
    txts.savebtn[0] = oldTxts.savebtn;
    txts.closebtn[0] = oldTxts.closebtn;  
  } else {  // 0.9x to 1.1x+
    txts.block[0] = oldTxts.block[0];
    txts.unblock[0] = oldTxts.unblock[0];
    txts.pban[0] = oldTxts.pban[0];
    txts.okbtn[0] = oldTxts.okbtn[0];
    txts.cancelbtn[0] = oldTxts.cancelbtn[0];
    txts.savebtn[0] = oldTxts.savebtn[0];
    txts.closebtn[0] = oldTxts.closebtn[0];
    if (oldTxts.okPbtn) txts.okPbtn[0] = oldTxts.okPbtn[0];
    if (oldTxts.cancelMbtn) txts.cancelMbtn[0] = oldTxts.cancelMbtn[0];
    if (oldTxts.mngbtn) txts.mngbtn[0] = oldTxts.mngbtn[0];
    if (txts.savebtn[0]=="Save Changes") txts.savebtn[0]="Save Lists"; // v1.1
    // 1.1 to 1.2+
    if (oldTxts.eximbtn) txts.eximbtn[0] = oldTxts.eximbtn[0];
    // 1.2 to 1.3+
    if (oldTxts.utilbtn) txts.utilbtn[0] = oldTxts.utilbtn[0];
    if (oldTxts.sortbtn) txts.sortbtn[0] = oldTxts.sortbtn[0];
    if (oldTxts.unwwwbtn) txts.unwwwbtn[0] = oldTxts.unwwwbtn[0];
    if (oldTxts.dedupbtn) txts.dedupbtn[0] = oldTxts.dedupbtn[0];
  }
  GM_setValue("textstrings",JSON.stringify(txts)); // requires Fx 3.5+
}
function ghhkillevent(e){
  if (e.currentTarget.nodeName == "BUTTON" || e.currentTarget.nodeName == "INPUT") return;
  e.stopPropagation();
}
function toggleBlockHiders(str){
  var s = document.getElementById("ghhStyleNoBlock");
  if (str == "S"){
    if (s) s.parentNode.removeChild(s);
    return;
  }
  if (str == "H"){
    if (s) return;
    s = document.createElement("style");
    s.id = "ghhStyleNoBlock";
    s.setAttribute("type", "text/css");
    s.appendChild(document.createTextNode(".ghhb{display:none}"));
    document.body.appendChild(s);
  }
}
function refreshListeners(e){ // for AutoPager extension
  var bbtns, bnotc, i, j;
  if (!document.getElementById("navcnt")) return;
  bbtns = document.getElementById("navcnt").querySelectorAll(".ghhb");
  for (i=0;i<bbtns.length;i++){
    bbtns[i].removeEventListener("click",showbfd,true);
    bbtns[i].addEventListener("click",showbfd,true);
  }
  bnotc = document.getElementById("navcnt").querySelectorAll(".ghhd");
  for (i=0;i<bnotc.length;i++){
    bnotc[i].removeEventListener("click",reshow,true);
    bnotc[i].addEventListener("click",reshow,true);
    bbtns = bnotc[i].querySelectorAll("button.ghhider");
    for (j=0;j<bbtns.length;j++){
      if (bbtns[j].getAttribute("title")=="Unblock this site"){
        bbtns[j].removeEventListener("click",unblock,true);
        bbtns[j].addEventListener("click",unblock,true);
      }
      if (bbtns[j].getAttribute("title")=="Permanently hide this site"){
        bbtns[j].removeEventListener("click",permban,true);
        bbtns[j].addEventListener("click",permban,true);
      }
      if (bbtns[j].getAttribute("title")=="Re-hide this hit"){
        bbtns[j].removeEventListener("click",rehide,true);
        bbtns[j].addEventListener("click",rehide,true);
      }
    }
  }
}
function convertPrefs(arrPrefs, allnew){
  ghhPrefO = arrPrefs;
  if (allnew == "true"){  // 1.3.7 to 1.4.x
    var tmp = GM_getValue("shownotc");
    if (tmp){
      if (tmp.length > 0) ghhPrefO.shownotc[0] = tmp;
      GM_deleteValue("shownotc");
    }
    tmp = GM_getValue("mngpaneopen");
    if (tmp){
      if (tmp.length > 0) ghhPrefO.mngpaneopen[0] = tmp;
      GM_deleteValue("mngpaneopen");
    }
    tmp = GM_getValue("mngbtnstyle");
    if (tmp) if (tmp.length > 0){
      if (tmp.indexOf("-")>-1) tmp = "both"; // default ancient pref
      ghhPrefO.mngbtnstyle[0] = tmp;
      GM_deleteValue("mngbtnstyle");
    }
    tmp = GM_getValue("addtolistpos");
    if (tmp){
      if (tmp.length > 0) ghhPrefO.addtolistpos[0] = tmp;
      GM_deleteValue("addtolistpos");
    }
    tmp = GM_getValue("aggressiveblock");
    if (tmp){
      if (tmp.length > 0) ghhPrefO.aggressiveblock[0] = tmp;
      GM_deleteValue("aggressiveblock");
    }
    tmp = GM_getValue("usemutation");
    if (tmp){
      if (tmp.length > 0) ghhPrefO.usemutation[0] = tmp;
      GM_deleteValue("usemutation");
    }
  } else {
    if (ghhPrefs.indexOf("reserved1")>-1){
      var oldPrefs = JSON.parse(ghhPrefs);
      ghhPrefO.shownotc[0] = oldPrefs.shownotc[0];
      ghhPrefO.mngpaneopen[0] = oldPrefs.mngpaneopen[0];
      ghhPrefO.mngbtnstyle[0] = oldPrefs.mngbtnstyle[0];
      ghhPrefO.addtolistpos[0] = oldPrefs.addtolistpos[0];
      ghhPrefO.aggressiveblock[0] = oldPrefs.aggressiveblock[0];
      ghhPrefO.usemutation[0] = oldPrefs.usemutation[0];
      ghhPrefO.oneclick[0] = oldPrefs.oneclick[0];
    }
  }
  GM_setValue("ghhprefs",JSON.stringify(ghhPrefO)); // requires Fx 3.5+
}
function togglebbtn(e){
  var bbtn = e.currentTarget.querySelector('.ghhb');
  if (bbtn){
    if (e.type == "mouseover") bbtn.style.visibility = "";
    else bbtn.style.visibility = "hidden";
  }
}
function reQuery(e){
  var ss, rads, i;
  if (e){
    if (e.target.id == "ghhbf5") ss = "+site:"; 
    else ss = "+-site:";
    rads = e.target.form.querySelectorAll('input[type="radio"]');
  } else {
    ss = "+-site:"; // ALT omit
    rads = document.querySelector('#ghhblockform form').querySelectorAll('input[type="radio"]');
  }
  if (rads.length > 0){
    for (var i=0; i<rads.length; i++){
      if(rads[i].checked){
        ss += rads[i].nextElementSibling.textContent;
        reQry(ss);
        break;
      }
    }
  } else console.log("LOG:reQuery fail: no rads");
}
function reQry(d){
  if (!d) return;
  var qsp = window.location.href.indexOf("?");
  if (qsp < 0) return;
  var q = window.location.href.substr(qsp+1);
  if (d.substr(0,2) == "+-" && (q.indexOf(d+"%20")>-1 || q.indexOf(d+"&")>-1)) return; // try to block dups, may be overinclusive
  var qa = q.split("&");
  var has_q = false
  for (var j=qa.length-1; j>=0; j--){
    if (qa[j].split("=")[0] == "q"){
      qa[j] += d;
      has_q = true;
      break;
    } else {
      if (qa[j].indexOf("#q=") > -1){
        qa[j] += d;
        has_q = true;
        break;
      }
    }
  }
  if (has_q) window.location.href = window.location.href.substr(0, window.location.href.indexOf("?")+1) + qa.join("&");
  else console.log("LOG:Unable to add new search term to URL");
}
function toggleciteline(posit) {
  var ghhbd_sty = document.getElementById("bbposciteline");
  if (posit == "C"){
    if (!ghhbd_sty){
      var ghhbd_sty = document.createElement("style");
      ghhbd_sty.id = "bbposciteline";
      ghhbd_sty.setAttribute("type", "text/css");
      document.body.appendChild(ghhbd_sty); 
    }
    // "inline" the action menu
    ghhbd_sty.appendChild(document.createTextNode(".action-menu {vertical-align:baseline !important;} .action-menu .clickable-dropdown-arrow, .action-menu  .ab_button {display:none !important;} .action-menu-panel, .action-menu-panel ul, .action-menu-panel ol, .action-menu-item {display:inline !important; visibility: visible !important; border:none !important; box-shadow:none !important; background-color:transparent !important; margin:0  !important; padding:0 !important; top:0 !important; height:auto !important; line-height:auto !important;} .action-menu-item a.fl, .action-menu-button {padding:0 0 0 6px !important; display:inline !important;}  .action-menu-panel {position:static;} .action-menu-item a.fl:hover {text-decoration:underline !important;} .action-menu + .crc {margin-right: 9px !important;} .action-menu + .crc ._Bs {margin-left: 1px !important;}"));
    // restyle the block button
    ghhbd_sty.appendChild(document.createTextNode(".ghhb {border:none!important; text-decoration:none!important; font-size:1em!important; color:#333!important; padding:0!important; margin-left:0!important;} .ghhb:hover {background:transparent!important; text-decoration:underline !important;}"));
  } else { // remove citeline rules
    if (ghhbd_sty){
      while(ghhbd_sty.firstChild) ghhbd_sty.removeChild(ghhbd_sty.firstChild);
    } 
  } 
}
function openCustomStyleBar(e){
// Create fixed div with text input and buttons: Save, Test, Close
  var csb = document.getElementById("ghhcsb");
  if (csb){
    csb.style.display = "block";
  } else {
    csb = document.createElement("div");
    csb.id = "ghhcsb";
    csb.setAttribute("style","position:fixed;bottom:0;left:0;z-index:750;width:100%;background-color:#afa;");
    csb.innerHTML = "<form onsubmit=\"return false;\"><p style=\"margin:0.75em;\"><input id=\"ghhcsbrule\" type=\"text\" style=\"width:80%\"> " +
      "<button id=\"ghhcsb1\" title=\"Save and Apply\">Save</button> " +
      "<button id=\"ghhcsb2\" title=\"Test Current Rules\">Test</button> " +
      "<button id=\"ghhcsb3\" title=\"Close\">Close</button></p></form>";
    document.body.appendChild(csb);
    document.getElementById("ghhcsb1").addEventListener("click",saveCustomStyle,true);
    document.getElementById("ghhcsb2").addEventListener("click",testCustomStyle,true);
    document.getElementById("ghhcsb3").addEventListener("click",closeCustomStyleBar,true);
  }
  document.getElementById("ghhcsbrule").value = custSty;
}
function saveCustomStyle(e){
  // Update preferences and apply change to style#ghhbdcuststy
  custSty = document.getElementById("ghhcsbrule").value;
  GM_setValue("hiderStyles",custSty);
  document.getElementById("ghhbdcuststy").innerHTML = "";
  document.getElementById("ghhbdcuststy").appendChild(document.createTextNode(custSty));
}
function testCustomStyle(e){
  // Add/Edit style#ghhbdcuststy
  document.getElementById("ghhbdcuststy").innerHTML = "";
  document.getElementById("ghhbdcuststy").appendChild(document.createTextNode(document.getElementById("ghhcsbrule").value));
}
function closeCustomStyleBar(e){
  // Turn off display and reapply saved style to style#ghhbdcuststy
  document.getElementById("ghhcsb").style.display = "none";
  document.getElementById("ghhbdcuststy").innerHTML = "";
  document.getElementById("ghhbdcuststy").appendChild(document.createTextNode(custSty));
}
function removePBs(e){ // GoogleMonkeyR layout only
  // Schedule Permaban removal (prevent simultaneous/conflicting runs)
  var PBsBlanks = document.querySelectorAll("table#GTR li[blockhidden], table#GTR div.g[blockhidden], table#GTR td:empty");
  if (PBsBlanks.length < 1) return;
  if (t_pb) window.clearTimeout(t_pb);
  t_pb = window.setTimeout(GMRshuffle, 100);
}
function GMRshuffle(){ // GoogleMonkeyR layout only
  // Delete Permaban hits
  var PBs = document.querySelectorAll("table#GTR li[blockhidden], table#GTR div.g[blockhidden]");
  if (PBs.length > 0){
    for (var i=PBs.length; i>0; i--) PBs[i-1].remove();
  }
  // Check entire table for empty cells and shuffle contents
  var tbl, row, cell, empties;
  var tbl = document.getElementById("GTR");
  for (row=0; row<tbl.rows.length; row++){
    empties = tbl.rows[row].querySelectorAll("td:empty").length;
    if (empties > 0 && empties < tbl.rows[row].cells.length){
      for (cell=0; cell<tbl.rows[row].cells.length; cell++){
        if (tbl.rows[row].cells[cell].childNodes.length == 0){
          if (fillFromNext(tbl.rows[row].cells[cell]) == "STOP"){
            if (t_pb) window.clearTimeout(t_pb);
            t_pb = window.setTimeout(GMRshuffle, 1000);
            return;
          }
        }
      }
    }
  }
}
function fillFromNext(tgt){
  var src = getNextCell(tgt, true);
  if (!src) return "STOP";
  while (src.childNodes.length > 0) tgt.appendChild(src.childNodes[0]);
}
function getNextCell(aCell, blnNonEmpty){
  var startcell = aCell;
  var retcell;
  var i=0;
  while (i<1000) {
    if (startcell.nextElementSibling){ // not the last cell in the row
      retcell = startcell.nextElementSibling;
    } else { 
      if (startcell.parentNode.nextElementSibling){ // last cell in row and there's another row
        retcell = startcell.parentNode.nextElementSibling.cells[0];
      } else {
        return null; // end of table
      }
    }
    if (!retcell){
      return null; // corrupted table structure
    }
    if (blnNonEmpty){
      if (retcell.querySelector("li")){
        return retcell;
      } else {
        startcell = retcell;
      }
    } else {
      return retcell;
    }
    i++
  }
}