source: other-projects/computer-says-no/trunk/src/computer_says_no.user.js

// ==UserScript==
// @name           Computer Says No
// @namespace      org.greenstone.csn
// @include        http://*
// ==/UserScript==



var csnInitialized = false;

var inspectorActive = false;
var inspectorDragging = false;
var inspectorIgnoreSingleClick = false;

var inspectorSelectedElems = [];

var csnFoldOrExpand = "fold";
var csnMode = null;
var csnFirstnameMode = "full";
var csnPunctMode     = "with-spaces";
var csnMergeMode     = "interactive";
var csnDeleteMode    = "interactive";


var csnOnTop = false;

var seaweedActivated = false;

var zRange = {};


var ELEMENT_NODE                =  1;
var ATTRIBUTE_NODE              =  2;
var TEXT_NODE                   =  3;
var CDATA_SECTION_NODE          =  4;
var ENTITY_REFERENCE_NODE       =  5;
var ENTITY_NODE                 =  6;
var PROCESSING_INSTRUCTION_NODE =  7;
var COMMENT_NODE                =  8;
var DOCUMENT_NODE               =  9;
var DOCUMENT_TYPE_NODE          = 10;
var DOCUMENT_FRAGMENT_NODE      = 11;
var NOTATION_NODE               = 12;

function trim(str)
{
    return str.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
}

function whiteSpaceIndent(count) 
{
    var spaces_cache = [ "", " ", "  ", "   ", "    ", "     ", "      " ];
    if (count < spaces_cache.length) {
    return spaces_cache[count];
    }

    var spaces = "";

    for (var i=0; i<count; i++) {
    spaces += " ";
    spaces_cache[i] = spaces;
    }
    
    return spaces;
}

function traverseDOM(node,depth) 
{
    if (depth==null) {
    depth = 0;
    }

    if (node.nodeType == TEXT_NODE) {
    var text = node.nodeValue;
    if (!text.match(/^\s*$/)) {
        // only print if not whitespace
        var indent = whiteSpaceIndent(depth);
        console.log(indent + node.nodeValue);
    }
    }
    else if (node.nodeType == ELEMENT_NODE) {
    var indent = whiteSpaceIndent(depth);
    console.log(indent + "<"+node.nodeName.toLowerCase()+">");
    for(var i=0; i<node.childNodes.length; i++) {
        traverseDOM(node.childNodes[i],depth+1);
    }
    console.log(indent + "</"+node.nodeName.toLowerCase()+">");
    }
    else {
    alert("Unexpectedly got : " + node.nodeType + "for : " + nodeType);
    }
}



function getChildText(node) 
{
    var text = "";

    if (node.nodeType == TEXT_NODE) {
    text = node.nodeValue;
    if (text.match(/^\s*$/)) {
        text = "";
    }
    }
    else if (node.nodeType == ELEMENT_NODE) {   

    if (node.nodeName.toLowerCase() == "input")  {
        text = node.value;
        if (text.match(/^\s*$/)) {
        text = "";
        }
    }
    else {
        for(var i=0; i<node.childNodes.length; i++) {
        text += getChildText(node.childNodes[i]);
        }
    }
    }
    else {
    alert("getChildText(): Unexpectedly got : " + node.nodeType + "for : " + nodeType);
    }

    text = trim(text);

    return text;
}

function getChildHyperlinks(node,links) 
{
    if (node.nodeType == ELEMENT_NODE) {
    if (node.nodeName.toLowerCase() == "a") {
        links[links.length] = node;
    }
    else {
        for(var i=0; i<node.childNodes.length; i++) {
        var childNode = node.childNodes[i];
        getChildHyperlinks(childNode,links);
        }
    }
    }
}


function getFirstChildHyperlink(node)
{
    var link = null;

    var links = new Array();
    getChildHyperlinks(node,links);

    if (links.length>0) {
    //hyperlink found
    link = links[0];
    }

    return link;
}



function elementPartOfCsn(elem)
{
    // ignore any elements that are within the CSN area


    while (true) {
    if ((elem==null) || (elem.nodeName.toLowerCase()=="body")) {
        break;
    }

    if (elem.nodeType != ELEMENT_NODE) {
        // ignore events caused by clicking on the scroll bar, etc.
        break;
    }

    //console.log("elem = " + elem);

    var elemId = elem.getAttribute("id");

    if ((elemId != null) && (elemId=="ComputerSaysNo")) {
        return true;
    }

    var parent = elem.parentNode;

    if (parent==null) {
        break;
    }

    elem = parent;
    }

    return false;
}



function elementPartOfPreLookup(elem)
{
    // ignore any elements that are within the CSN area


    while (true) {
    if ((elem==null) || (elem.nodeName.toLowerCase()=="body")) {
        break;
    }

    if (elem.nodeType != ELEMENT_NODE) {
        // ignore events caused by clicking on the scroll bar, etc.
        break;
    }

    //console.log("elem = " + elem);

    var elemId = elem.getAttribute("id");

    if ((elemId != null) && (elemId=="preLookup")) {
        return true;
    }

    var parent = elem.parentNode;

    if (parent==null) {
        break;
    }

    elem = parent;
    }

    return false;
}



function appendIfUniq(elem)
{
    var appendElem = true;
    for (var i=0; i<inspectorSelectedElems.length; i++) {
    if (inspectorSelectedElems[i] == elem) {
        appendElem = false;
        break;
    }
    }
    if (appendElem) {
    inspectorSelectedElems[inspectorSelectedElems.length] = elem;
    }

}


function getElemParents(elem,inclusive) 
{
    // setting inclusive to true means 'elem' is also put in the array of parents
    // default is to exclude it
    var parents = new Array();

    while (true) {
    if ((elem==null) || (elem.nodeName.toLowerCase()=="body")) {
        break;
    }

    if ((inclusive!=null) && (inclusive)) {
        parents[parents.length] = elem;
    }

    var parent = elem.parentNode;

    if (parent==null) {
        break;
    }

    if ((inclusive==null) || (!inclusive)) {
        parents[parents.length] = parent;
    }

    elem = parent;
    }

    return parents;
}

function calcSharedElemParent(startElem,endElem) 
{
    if (startElem==null) { return null; };

    // This case shouldn't arise anymore
    if (endElem==null) { return startElem.parentNode; }

    var startParents = getElemParents(startElem);
    var endParents = getElemParents(endElem);

    var sharedParent = null;

    for (var s=0; s<startParents.length; s++) {
    var currStartParent = startParents[s];
    for (var e=0; e<endParents.length; e++) {
        var currEndParent = endParents[e];
        if (currEndParent==currStartParent) {
        console.log("Got match at level: " + s + "=<"+startParents[s].nodeName+"> (start) " 
                + e + "=<" +endParents[e].nodeName + "> (end)");
        sharedParent = currEndParent;
        break;
        }
    }
    if (sharedParent != null) {
        break;
    }
    }

    return sharedParent;
}

function getSiblingPosition(sharedSiblings,elem)
{
    var elemParents = getElemParents(elem,true);

    var siblingPos = -1;

    for (var sb=0; sb<sharedSiblings.length; sb++) {
    var currSibling = sharedSiblings[sb];
    for (var el=0; el<elemParents.length; el++) {
        var currElemParent = elemParents[el];
        if (currElemParent==currSibling) {
        siblingPos = sb;
        break;
        }
    }
    if (siblingPos>0) {
        break;
    }
    }

    return siblingPos;
}


var rangedElemsHistory_ = new Array();
var sharedParentElemHistory_ = new Array();


function calcRangedElems(sharedParent,startElem,endElem) 
{
    var rangedElems = new Array();
    
    // if get to here, then there is a non-trivial range to work out
    var sharedSiblings = sharedParent.childNodes;

    var startSiblingPos = getSiblingPosition(sharedSiblings,startElem);
    var endSiblingPos   = getSiblingPosition(sharedSiblings,endElem);

    for (var sb=startSiblingPos; sb<=endSiblingPos; sb++) {
    rangedElems[rangedElems.length] = sharedSiblings[sb];
    }


    return rangedElems;
}

function zIndexRange()
{
    var minZ=null;
    var maxZ=null;

    var elems = document.getElementsByTagName("*");

    for (var e = 0; e < elems.length; e++) {
    var z = elems[e].style.zIndex;
    if (z) {
        if (minZ!=null) {
        if (z < minZ) { minZ = z; }
        }
        else {
        minZ = z;
        }

        if (maxZ!=null) {
        if (z > maxZ) { maxZ = z; }     
        }
        else {
        maxZ = z;
        }
    }

    }

    return { minZ: minZ, maxZ: maxZ };
}



function csnInit()
{
    //alert("The Inspector");

    if (csnInitialized) return;
    if (window!=window.top) return; // child iFrame 

    csnInitialized = true;

    var csnCheck = document.getElementById('ComputerSaysNo');
    if (csnCheck!=null) return;


    var body = document.body;

    zRange = zIndexRange();
    var minZ = zRange['minZ'];
    var maxZ = zRange['maxZ'];

    var inspectBaseZindex = (minZ==null) ? -1 : "inherit" ;
    var inspectHighlightZindex = (maxZ==null) ? 1000 : parseInt(maxZ)+1000;

    //console.log("base zindex: " + inspectBaseZindex);
    //console.log("highlight zindex: " + inspectHighlightZindex);

    // wrap original body content in a div tag so any 
    // absolute position the document uses will be relatative
    // to its new position (once the CSN toolbar added in)

    var orig_child_len = body.childNodes.length;

    var beyondToolbarDiv = document.createElement('div');
    var beyondToolbarDivStyle = "position: relative; left: 0px; top: 0px;";
    beyondToolbarDiv.setAttribute('style',beyondToolbarDivStyle);
    body.insertBefore(beyondToolbarDiv,body.firstChild);

    for (var i=0; i<orig_child_len; i++) {
    // always position '1' as we then remove the item
    var childNode = body.childNodes[1];
    body.removeChild(childNode);
    beyondToolbarDiv.appendChild(childNode);
    }


    // Build up and add in the CSN Tool Bar

    var csnDivStyle = "position: relative; left: 0px; top: 0px;";
    csnDivStyle += " width: 100%;";

    var csnDiv = document.createElement('div');
    csnDiv.setAttribute('id','ComputerSaysNo');
    csnDiv.setAttribute('style',csnDivStyle);

    // Table for Logo
    var csnBgImage = 'background="' + csnImage + '"';
    var csmBgImage = 'background="' + csmImage + '"';
    var csyBgImage = 'background="' + csyImage + '"';

    var bgImageStyle = 'style="background-position: center; background-repeat: no-repeat;" ';

    var csnTdImage = '<td width="33%" ' + bgImageStyle + csnBgImage + ' style="background-repeat: no-repeat;"></td>';
    var csmTdImage = '<td width="33%" ' + bgImageStyle + csmBgImage + ' style="background-repeat: no-repeat;"></td>';
    var csyTdImage = '<td width="33%" ' + bgImageStyle + csyBgImage + ' style="background-repeat: no-repeat;"></td>';

    var csnLogo = '<table bgcolor="black" width="100%" height="27"><tr>' + csnTdImage + csmTdImage + csyTdImage + '</tr></table>';

    // Table for actions
    var csnContent = '<tr style="color: white;">';

    var tick = '<span style="visibility: hidden;">&#10003;&nbsp;</span>';

    var accentFoldOptions = '<ul id="accentFoldOptions" class="csnOption" style="display: none;">'
    accentFoldOptions +=    '  <li><p class="csnOptionText"><i>[Click/drag region]</i></p></li>';
    accentFoldOptions +=    '  <li><p id="accentFoldCancel" class="csnOption" href="#">Cancel</p></li>';
    accentFoldOptions +=    '</ul>';

    var punctFoldOptions = '<ul id="punctFoldOptions" class="csnOption" style="display: none;">'
    punctFoldOptions +=    '  <li><p class="csnOptionText"><i>[Click/drag region]</i></p></li>';
    punctFoldOptions +=    '  <li><p id="punctFoldCancel" class="csnOption" href="#">Cancel</p></li>';
    punctFoldOptions +=    '</ul>';

    var firstnameFoldOptions = '<ul id="firstnameFoldOptions" class="csnOption" style="display: none;">'
    firstnameFoldOptions +=    '  <li><p class="csnOptionText"><i>[Click/drag region]</i></p></li>';
    firstnameFoldOptions +=    '  <li><p id="firstnameFullFoldButton" class="csnOption">'   +tick+'Firstname</p></li>';
    firstnameFoldOptions +=    '  <li><p id="firstnameInitialFoldButton" class="csnOption">'+tick+'Only initial</p></li>';
    firstnameFoldOptions +=    '  <li><p id="firstnameFoldCancel" class="csnOption">Cancel</p></li>';
    firstnameFoldOptions +=    '</ul>';

    var NAOptions = '<ul id="NAOptions" class="csnOption" style="display: none;">'
    NAOptions +=    '  <li><p class="csnOptionText"><i>[Click/drag region]</i></p></li>';
    NAOptions +=    '  <li><p id="NACancel" class="csnOption" href="#">Cancel</p></li>';
    NAOptions +=    '</ul>';

    var editOptions = '<ul id="editOptions" class="csnOption" style="display: none;">'
    editOptions +=    '  <li><p class="csnOptionText"><i>[Click/drag region]</i></p></li>';
    //editOptions +=    '  <li><p id="editInteractiveButton" class="csnOption">'     +tick+'Interacitve click/drag</p></li>';
    editOptions +=    '  <li><p id="editPreviousButton" class="csnOptionDisabled">Previous region</p></li>';
    editOptions +=    '  <li><p id="editCancel" class="csnOption" href="#">Cancel</p></li>';
    editOptions +=    '</ul>';

    var sortOptions = '<ul id="sortOptions" class="csnOption" style="display: none;">'
    sortOptions +=    '  <li><p class="csnOptionText"><i>[Click/drag region]</i></p></li>';
    //sortOptions +=    '  <li><p id="sortInteractiveButton" class="csnOption">'     +tick+'Interacitve click/drag</p></li>';
    sortOptions +=    '  <li><p id="sortPreviousButton" class="csnOptionDisabled">Previous region</p></li>';
    sortOptions +=    '  <li><p id="sortCancel" class="csnOption" href="#">Cancel</p></li>';
    sortOptions +=    '</ul>';

    var mergeOptions = '<ul id="mergeOptions" class="csnOption" style="display: none;">'
    mergeOptions +=    '  <li><p class="csnOptionText"><i>[Click/drag region]</i></p></li>';
    //mergeOptions +=    '  <li><p id="mergeInteractiveButton" class="csnOption">'     +tick+'Interacitve click/drag</p></li>';
    mergeOptions +=    '  <li><p id="mergePreviousButton" class="csnOptionDisabled">Previous region</p></li>';
    mergeOptions +=    '  <li><p id="mergeCancel" class="csnOption" href="#">Cancel</p></li>';
    mergeOptions +=    '</ul>';

    var deleteOptions = '<ul id="deleteOptions" class="csnOption" style="display: none;">'
    deleteOptions +=    '  <li><p class="csnOptionText"><i>[Click/drag region]</i></p></li>';
    deleteOptions +=    '  <li><p id="deletePreviousButton" class="csnOptionDisabled">Previous region</p></li>';
    deleteOptions +=    '  <li><p id="deleteCancel" class="csnOption" href="#">Cancel</p></li>';
    deleteOptions +=    '</ul>';


    var csnContentStyle = "border: 2px inset white; background-color: rgb(25,25,25);";
    //var csnContentStyle = "background-color: rgb(20,20,20);";

    csnContent += '<td valign="top"><table width="100%" style="'+csnContentStyle+'"><tr>';
    csnContent += '<td width="85" valign="top"><p id="accentFoldButton"    class="csnAction csnActionHighlight" href="#">Accent ...</p>'+accentFoldOptions+'</td>';
    csnContent += '<td width="85" valign="top"><p id="punctFoldButton"     class="csnAction csnActionHighlight" href="#">Punctuation ...</p>'+punctFoldOptions+'</td>';
    csnContent += '<td width="85" valign="top"><p id="firstnameFoldButton" class="csnAction csnActionHighlight" href="#">Firstname ...</p>'+firstnameFoldOptions+'</td>';
    csnContent += '<td width="85" valign="top"><p id="NAButton"           class="csnAction csnActionHighlight" href="#">Name Authority ...</p>'+NAOptions+'</td>';
    csnContent += '</tr></table></td>';


    csnContent += '<td valign="top"><table width="100%" style="'+csnContentStyle+'"><tr>';
    csnContent += '<td width="70" valign="top"><p id="editButton"          class="csnAction csnActionHighlight" href="#">Edit ...</p>'+editOptions+'</td>';
    csnContent += '<td width="70" valign="top"><p id="sortButton"          class="csnAction csnActionHighlight" href="#">Sort same ...</p>'+sortOptions+'</td>';
    csnContent += '<td width="70" valign="top"><p id="mergeButton"         class="csnAction csnActionHighlight" href="#">Merge ...</p>'+mergeOptions+'</td>';

    // Delete and Undo
    csnContent += '<td width="40" valign="top"><p id="deleteButton" class="csnAction csnActionHighlight">Delete ...</p>'+deleteOptions+'</td>';
    csnContent += '<td width="40" valign="top"><p id="undoButton" class="csnAction csnActionHighlight">Undo</p></td>';


    csnContent += '</tr></table></td>';





    // Fold or Expand radio buttons
    csnContent += '<td valign="top" width="220">';
    csnContent += '<table width="100%" style="'+csnContentStyle+'"><tr>';
    csnContent += '  <td><p class="csnAction">Fold:</p></td>';
    csnContent += '  <td><input id="foldRadioButton" type="radio" name="csnFoldOrExpand" value="fold" checked></td>';
    csnContent += '  <td><p class="csnAction">Expand:</p></td>';
    csnContent += '  <td><input id="expandRadioButton" type="radio" name="csnFoldOrExpand" value="expand"></td>';
    csnContent += '</tr></table>';
    csnContent += '</td>';

    //csnContent += '<td width="15%" valign="top"><p id="CsnOnTopButton"      class="csnAction" href="#">Toolbar on top</p></td>';
    csnContent += '</tr>';

    var csnDisplay = '<style>';
    csnDisplay += 'p.csnAction,span.csnAction { text-decoration: none; color: white; ';
    csnDisplay += ' margin: 2px; border: 0px; padding: 1px; ';
    csnDisplay += ' font-family: arial; font-size: 11pt;  font-weight: bold; }';
    csnDisplay += 'p.csnActionHighlight:hover { color: green;  }';
    csnDisplay += 'p.csnOption,p.csnOptionText { text-decoration: none; color: white; ';
    csnDisplay += ' margin: 2px; border: 0px; padding: 1px; ';
    csnDisplay += ' font-family: arial; font-size: 10pt; }';
    csnDisplay += 'p.csnOption:hover { color: green;  }';
    csnDisplay += 'ul.csnOption { list-style-type: square; line-height: 100%; margin: 0px 0px 0px 20px; padding: 0px 0px 2px 0px;}';
    csnDisplay += 'p.csnOptionDisabled { text-decoration: none; color: gray; ';
    csnDisplay += ' margin: 2px; border: 0px; padding: 1px; ';
    csnDisplay += ' font-family: arial; font-size: 10pt; }';
    csnDisplay += 'h3.csnPreLookup { background-color: black; color: white; ';
    csnDisplay += '  padding: 4px; }';
    csnDisplay += 'p.csnPreLookup { background-color: white; color: black; ';
    csnDisplay += '  padding: 2px 4px 2px 4px; } ';
    csnDisplay += '</style>';

    csnDisplay += '<table bgcolor="black" width="100%">' + csnContent + '</table>';

    var csnCode = '<script type="text/javascript">'+multiSearch + continueMultiSearch + resizeFrame+'</script>';

   // alert("setting multiSearch");

    //csnDiv.innerHTML = csnLogo + csnDisplay + csnCode;
    //body.insertBefore(csnDiv,body.firstChild);


    csnDiv.innerHTML = csnLogo + csnDisplay ;
    body.insertBefore(csnDiv,body.firstChild);

    var csnScript = document.createElement('script');
    csnScript.setAttribute('type',    'text/javascript');
    csnScript.setAttribute('charset', 'UTF-8');
    csnScript.innerHTML = multiSearch + continueMultiSearch + resizeFrame;
    document.getElementsByTagName('head')[0].appendChild(csnScript);


    var accentFoldButton = document.getElementById("accentFoldButton");
    var accentFoldCancel = document.getElementById("accentFoldCancel");
    accentFoldButton.addEventListener('click', activateAccentFold, true);
    accentFoldCancel.addEventListener('click', cancelModeOption, true);

    var punctFoldButton      = document.getElementById("punctFoldButton");
    var punctFoldCancel      = document.getElementById("punctFoldCancel");
    punctFoldButton.addEventListener('click', activatePunctFold, true);
    punctFoldCancel.addEventListener('click', cancelModeOption, true);

    var firstnameFoldButton         = document.getElementById("firstnameFoldButton");
    var firstnameFullFoldButton     = document.getElementById("firstnameFullFoldButton");
    var firstnameInitialFoldButton  = document.getElementById("firstnameInitialFoldButton");
    var firstnameFoldCancel         = document.getElementById("firstnameFoldCancel");
    firstnameFoldButton.addEventListener('click', activateFirstnameFold, true);
    firstnameFullFoldButton.addEventListener('click', activateFirstnameFullFold, true);
    firstnameInitialFoldButton.addEventListener('click', activateFirstnameInitialFold, true);
    firstnameFoldCancel.addEventListener('click', cancelModeOption, true);
    firstnameFullFoldButton.firstChild.style.visibility = "visible";
    firstnameFullFoldButton.firstChild.style.color = "green";

    var NAButton              = document.getElementById("NAButton");
    var NACancel              = document.getElementById("NACancel");
    NAButton.addEventListener('click', activateNA, true);
    NACancel.addEventListener('click', cancelModeOption, true);

    var editButton             = document.getElementById("editButton");
    var editCancel             = document.getElementById("editCancel");
    editButton.addEventListener('click', activateEdit, true);
    editCancel.addEventListener('click', cancelModeOption, true);

    var sortButton             = document.getElementById("sortButton");
    var sortCancel             = document.getElementById("sortCancel");
    sortButton.addEventListener('click', activateSort, true);
    sortCancel.addEventListener('click', cancelModeOption, true);

    var mergeButton            = document.getElementById("mergeButton");
    var mergeCancel            = document.getElementById("mergeCancel");
    mergeButton.addEventListener('click', activateMerge, true);
    mergeCancel.addEventListener('click', cancelModeOption, true);

    var deleteButton            = document.getElementById("deleteButton");
    var deleteCancel            = document.getElementById("deleteCancel");
    deleteButton.addEventListener('click', activateDelete, true);
    deleteCancel.addEventListener('click', cancelModeOption, true);

    var undoButton            = document.getElementById("undoButton");
    undoButton.addEventListener('click', performUndo, true);


    var foldRadioButton     = document.getElementById("foldRadioButton");
    var expandRadioButton   = document.getElementById("expandRadioButton");
    foldRadioButton.addEventListener('click', setFoldMode, true);
    expandRadioButton.addEventListener('click', setExpandMode, true);

    //var CsnOnTopButton       = document.getElementById("CsnOnTopButton");
    //CsnOnTopButton.addEventListener('click', putCsnToolbarOnTop, true);

    // ------------
    // 4 div for rect-outline, for inspection highlighting
    // ------------
    var csnInspectDiv = document.createElement('div');
    csnInspectDiv.setAttribute('id','InspectDiv');

    var csnOffScreenStyle = 'position: fixed; left: 0px; top: 0px;';
    csnOffScreenStyle += ' visibility: visible;';

    var inspectBoxStyle = "width: 2px; height: 2px;";
    inspectBoxStyle += "z-index: " + inspectHighlightZindex + "; ";
    inspectBoxStyle += "background-color: rgba(0,128,0,1.0);";
    inspectBoxStyle += "position: absolute;";

    var inspectBoxAttr = ' style="'+inspectBoxStyle+'"';

    var csnInspectRect = '<div style="'+csnOffScreenStyle+'">\n';
    csnInspectRect += '  <div id="inspectBoxL" '+inspectBoxAttr+'></div>\n';
    csnInspectRect += '  <div id="inspectBoxR" '+inspectBoxAttr+'></div>\n';
    csnInspectRect += '  <div id="inspectBoxT" '+inspectBoxAttr+'></div>\n';
    csnInspectRect += '  <div id="inspectBoxB" '+inspectBoxAttr+'></div>\n';

    var csnPreLookupStyle = "background-color: white; color: black;";
    csnPreLookupStyle += " border: 2px solid black;";
    csnPreLookupStyle += " min-width: 600px;";
    csnPreLookupStyle += " z-index: " + inspectHighlightZindex + "; ";
    csnPreLookupStyle += " position: absolute;";
    csnPreLookupStyle += " visibility: hidden;";

    csnInspectRect += '  <div id="preLookup" class="csnPreLookup" style="'+csnPreLookupStyle+'">\n';
    //csnInspectRect += '    dasf fad adsffdsa sfda\n';
    csnInspectRect += '  </div>\n';

    csnInspectRect += '</div>\n';

    csnInspectDiv.innerHTML = csnInspectRect;


    body.insertBefore(csnInspectDiv,body.firstChild);

    var preLookupDiv = document.getElementById("preLookup");
    //preLookupDiv.addEventListener("mouseout",hidePreLookup,true);

}



var existingTimeoutId = null;


function showPreLookup(ev)
{
    //console.log("*** supressing show prelookup");
    //return;

    var targetElem = ev.target;
    if (elementPartOfPreLookup(targetElem)) {
    // no need to go any further
    return;
    }

    // get mouse cursor
    var mx = ev.pageX - window.pageXOffset; 
    var my = ev.pageY - window.pageYOffset;
    

    var author_pack = generateAuthorPack(targetElem);
    var author_name = author_pack.name;


    var fullMessage = "";
    if (csnMode == "NA") {
    var NAmessage ='<h3 class="csnPreLookup">Name Authority Lookup</h3>';
    NAmessage += '<p id="prelookupNACount" class="csnPreLookup">Number of occurrences of &quot;'
        +author_name+'&quot;:\n';
    NAmessage += '<div id="prelookupNAList">Pending ...</div>\n';

    fullMessage += NAmessage;
    }

    // Crowd Sourcing
    var CSmessage = '<h3 class="csnPreLookup">Crowdsourcing Lookup</h3>';
    CSmessage += '<p id="prelookupCSCount" class="csnPreLookup">Number of remappings of &quot;'
    +author_name+'&quot;:\n';
    CSmessage += '<div id="prelookupCSList">Pending ...</div>\n';

    fullMessage += CSmessage;

    var preLookupDiv = document.getElementById("preLookup");
    preLookupDiv.style.left = (mx-30) + "px";
    preLookupDiv.style.top = (my-30) + "px";
    preLookupDiv.innerHTML = fullMessage;

    if (csnMode == "NA") {
    var naTargetElem = ev.target;
    var naElemClone = naTargetElem.cloneNode(true);

    async_named_authority_srw(naElemClone,count_named_authority_canonical);
    }

    var csTargetElem = ev.target;
    var csElemClone = csTargetElem.cloneNode(true);
    
    async_crowdsource_greenstone(csElemClone,count_crowdsource_canonical);

    // ensure rect-box is visibile
    preLookupDiv.style.visibility = "visible";

}


function hidePreLookup(ev)
{
    var preLookupDiv = document.getElementById("preLookup");
    preLookupDiv.style.visibility = "hidden";
    
    //console.log("Mouse out inhidPreLookup");

    if (existingTimeoutId!=null) {
    clearTimeout(existingTimeoutId);
    }

    existingTimeoutId = null;
}


function csnDeHighlight(ev)
{
    if (!inspectorActive) return false;

    var targetElem = ev.target;

    // check to see if in preLookup popup
    //var targetElemId = targetElem.getAttribute("id");
    //if ((targetElemId) && (targetElemId == "preLookup")) {

    if (elementPartOfPreLookup(targetElem)) {
    //console.log("Mouse out in DeHighlight: part of CSN, hiding");

    if (existingTimeoutId!=null) {
        clearTimeout(existingTimeoutId);
    }
    // hide preLookup if no new mouse-over event *within* the
    // div tag occurs in the next 200 ms
    existingTimeoutId = setTimeout(hidePreLookup, 200, ev); 
    
    return false;
    }
    
    ev.preventDefault();
    ev.stopPropagation();

    var elems;
    if (inspectorDragging) {
    var selected_elems_len = inspectorSelectedElems.length;
    if (selected_elems_len>1) {
        // Remove this elem
        var targetElem = ev.target;
        for (var i=0; i<selected_elems_len; i++) {
        if (inspectorSelectedElems[i] == targetElem) {
            // remove element from array
            inspectorSelectedElems.splice(i,1);
            break;
        }
        }
    }
    }
}

function csnHighlight(ev)
{
    if (!inspectorActive) {
    // look to see if on-hover pre-lookup should be displayed
    return false;
    }


    ev.preventDefault();
    ev.stopPropagation();

    var targetElem = ev.target;
    if (elementPartOfCsn(targetElem)) {
    // consume this event if part of the CSN toolbar
    // and hide any PreLookup popup is present or on timer

    hidePreLookup(ev);
    return false;
    }

    // Consider showing preLookup (if remain still for 2 further seconds)
    var preLookupDiv = document.getElementById("preLookup");
    if (preLookupDiv.style.visibility == "hidden") {
    if (existingTimeoutId!=null) {
        clearTimeout(existingTimeoutId);
    }
    
    existingTimeoutId = setTimeout(showPreLookup, 2000, ev); 
    }
    else {
    // pop-up currently visible
    if (elementPartOfPreLookup(targetElem)) {
        // a hide event might be in the works, but it we've nearly
        // instantaneously got a new mouse-in event that's in the
        // same pop-up div tag, so cancel the hide event

        if (existingTimeoutId!=null) {
        clearTimeout(existingTimeoutId);
        existingTimeoutId = null;
        }
    }
    return false;
    }

    var elems;
    if (inspectorDragging) {
    // append this elem

    appendIfUniq(targetElem);

    elems = inspectorSelectedElems;
    }
    else {
    elems = [ ev.target ];
    }

    // work out union off all rects
    var union_rect_xl;
    var union_rect_xr;
    var union_rect_yt;
    var union_rect_yb;

    for (var i=0; i<elems.length; i++) {
    var elem = elems[i];
    var rect = elem.getBoundingClientRect();

    var rect_xl = rect.left;
    var rect_xr = rect.right;
    var rect_yt = rect.top;
    var rect_yb = rect.bottom;

    var rect_width = rect_xr - rect_xl +1;
    var rect_height = rect_yb - rect_yt +1;

    if ((rect_width<=3) || (rect_height<=3)) {
        continue;
    }
    
    if ((union_rect_xl==null) || (rect_xl<union_rect_xl)) {
        union_rect_xl = rect_xl;
    }
    if ((union_rect_xr==null) || (rect_xr>union_rect_xr)) {
        union_rect_xr = rect_xr;
    }

    if ((union_rect_yt==null) || (rect_yt<union_rect_yt)) {
        union_rect_yt = rect_yt;
    }
    if ((union_rect_yb==null) || (rect_yb>union_rect_yb)) {
        union_rect_yb = rect_yb;
    }
    }

    var rect_pp = "(" + rect_xl + "," + rect_yt + ") ";
    rect_pp += rect_width + " x " + rect_height;
    //console.log("Mouseover event:" + rect_pp);
    
    if (!csnInitialized) {
    console.log("... but Computer Says No not initialized");
    return true;
    }

    // Make sure we've got a valid rect
    if ((union_rect_xl==null) || (union_rect_xr==null) 
    || (union_rect_yt==null) || (union_rect_yb==null)) {
    return true;
    }

    // Adjust values to ensure they fall out side where mouse
    // focus is

    union_rect_xl -= 2;
    union_rect_xr += 1;
    union_rect_yt -= 2;
    union_rect_yb += 1;

    var union_rect_width  = union_rect_xr - union_rect_xl +2;
    var union_rect_height = union_rect_yb - union_rect_yt +2;


    var inspectboxL = document.getElementById("inspectBoxL");
    inspectboxL.style.left = union_rect_xl + "px";
    inspectboxL.style.top = union_rect_yt + "px";
    inspectboxL.style.width = "2px";
    inspectboxL.style.height = union_rect_height + "px";
    
    var inspectboxR = document.getElementById("inspectBoxR");
    inspectboxR.style.left = union_rect_xr + "px";
    inspectboxR.style.top = union_rect_yt + "px";
    inspectboxR.style.width = "2px";
    inspectboxR.style.height = union_rect_height + "px";
    
    var inspectboxT = document.getElementById("inspectBoxT");
    inspectboxT.style.left = union_rect_xl + "px";
    inspectboxT.style.top = union_rect_yt + "px";
    inspectboxT.style.width = union_rect_width + "px";
    inspectboxT.style.height = "2px";
    
    var inspectboxB = document.getElementById("inspectBoxB");
    inspectboxB.style.left = union_rect_xl + "px";
    inspectboxB.style.top = union_rect_yb + "px";
    inspectboxB.style.width = union_rect_width + "px";
    inspectboxB.style.height = "2px";
    
    // ensure rect-box is visibile
    inspectboxL.style.visibility = "visible";
    inspectboxR.style.visibility = "visible";
    inspectboxT.style.visibility = "visible";
    inspectboxB.style.visibility = "visible";

    return true;
}


function csnStartDragging(ev)
{
    var targetElem = ev.target;

    if (elementPartOfCsn(targetElem)) {
    // allow this event to propagate
        return false;
    }

    if (inspectorActive) {
    ev.preventDefault();
    ev.stopPropagation();

    if (!inspectorDragging) {
        inspectorDragging = true;
        inspectorSelectedElems = [ev.target];
    }
    else {
        // append this elem
        // can this situation actually occur?
        inspectorSelectedElems[inspectorSelectedElems.length] = ev.target;
    }

    return true;
    }
    else {
    return false;
    }
}

function csnStopDragging(ev)
{
    var targetElem = ev.target;
    if (elementPartOfCsn(targetElem)) {
    // allow this event to propagate
    return false;
    }
    
    //if (inspectorActive) {
    if ((inspectorActive) && (inspectorDragging)) {
    ev.preventDefault();
    ev.stopPropagation();
        
    appendIfUniq(ev.target);

    var ise_len = inspectorSelectedElems.length;
    var startElem = inspectorSelectedElems[0];
    var endElem   = (ise_len==1) ? startElem : inspectorSelectedElems[1];
    var sharedParentElem = calcSharedElemParent(startElem,endElem);

    if (sharedParentElem!=null) {

        var rangedElems = calcRangedElems(sharedParentElem,startElem,endElem);
        if (rangedElemsHistory_.length==0) {
        // first time, establish as the base
        sharedParentElemHistory_[0] = sharedParentElem;
        rangedElemsHistory_[0] = rangedElems;
        }

        if (rangedElems.length>0) {
        // turn from grayed out deactive -> active
        var editPreviousButton     = document.getElementById("editPreviousButton");
        editPreviousButton.className = "csnOption";
        editPreviousButton.addEventListener('click', performPreviousRangedElemsAction, true);
        
        var sortPreviousButton     = document.getElementById("sortPreviousButton");
        sortPreviousButton.className = "csnOption";
        sortPreviousButton.addEventListener('click', performPreviousRangedElemsAction, true);
        
        var mergePreviousButton    = document.getElementById("mergePreviousButton");
        mergePreviousButton.className = "csnOption";
        mergePreviousButton.addEventListener('click', performPreviousRangedElemsAction, true);

        var deletePreviousButton    = document.getElementById("deletePreviousButton");
        deletePreviousButton.className = "csnOption";
        deletePreviousButton.addEventListener('click', performPreviousRangedElemsAction, true);
        }

        performModeAction(sharedParentElem,rangedElems);
    }
    else {
        alert("Invalid Selection");
    }



    var inspectboxL = document.getElementById("inspectBoxL");
    var inspectboxR = document.getElementById("inspectBoxR");
    var inspectboxT = document.getElementById("inspectBoxT");
    var inspectboxB = document.getElementById("inspectBoxB");

    inspectboxL.style.visibility = "hidden";
    inspectboxR.style.visibility = "hidden";
    inspectboxT.style.visibility = "hidden";
    inspectboxB.style.visibility = "hidden";

    inspectorActive = false;
    inspectorDragging = false;
    inspectorIgnoreSingleClick = true;

    cancelModeOption();

    return true;
    }
    else {
    return false;
    }
}

function csnSingleClick(ev)
{
    var targetElem = ev.target;
    if (elementPartOfCsn(targetElem)) {
    // allow this event to propagate
    return false;
    }

    if (inspectorIgnoreSingleClick) {
    // Stop any further events from happening, such as a click through
    // on a hyperlink
    ev.preventDefault();
    ev.stopPropagation();

    inspectorActive = false;
    inspectorDragging = false;
    inspectorIgnoreSingleClick = false;

    return true;
    }
    else {
    return false;
    }
}



function csnKeyPress(ev)
{
    var targetElem = ev.target;

    //console.log("*** in csnKeyPress");

    if (ev.ctrlKey) {

    var keyChar = ev.charCode;
    var keyStr = String.fromCharCode(keyChar);

    if (keyStr.toLowerCase() == "s") {
        ev.preventDefault();
        ev.stopPropagation();

        save_live_doc_html();
        
        return true;
    }
    }

    // get to here, return false so event can propagate
    return false;

}



function performModeAction(sharedParentElem,rangedElems)
{
    if (csnFoldOrExpand == "fold") {
    if (csnMode == "merge") {
        mergeAuthors(sharedParentElem,rangedElems);
    }
    else if (csnMode == "delete") {
        deleteAuthors(sharedParentElem,rangedElems);
    }
    else if (csnMode == "edit") {
        editAuthors(sharedParentElem,rangedElems);
    }
    else if (csnMode == "NA") {
        naCanonicalAuthors(sharedParentElem,rangedElems);
    }
    else {
        analyzeAuthors(sharedParentElem,rangedElems);
    }
    }
    else {
    if (csnMode == "NA") {
        naAliasesAuthors(sharedParentElem,rangedElems);
    }
    
    }
}

function performPreviousRangedElemsAction()
{
    var sharedParentElem = sharedParentElemHistory_[sharedParentElemHistory_.length-1];
    var rangedElems = rangedElemsHistory_[rangedElemsHistory_.length-1];

    //console.log("ranged elems length: " + rangedElems.length);
    //console.log("shared parent elem: " + sharedParentElem);

    performModeAction(sharedParentElem,rangedElems);

    inspectorActive = false;
    inspectorDragging = false;

    cancelModeOption();

    return true;
}


function _activateGeneral(id) 
{
    var options = document.getElementById(id);
    options.style.display = "block";
}

function _cancelGeneral(id)
{
    var options = document.getElementById(id);
    options.style.display = "none";

    var inspectboxL = document.getElementById("inspectBoxL");
    var inspectboxR = document.getElementById("inspectBoxR");
    var inspectboxT = document.getElementById("inspectBoxT");
    var inspectboxB = document.getElementById("inspectBoxB");
    
    inspectboxL.style.visibility = "hidden";
    inspectboxR.style.visibility = "hidden";
    inspectboxT.style.visibility = "hidden";
    inspectboxB.style.visibility = "hidden";

    var preLookupDiv = document.getElementById("preLookup");
    hidePreLookup(null,preLookupDiv);

    inspectorIgnoreSingleClick = true;
}

function activateAccentFold()
{
    if (csnMode !=null) { cancelModeOption(); }

    inspectorActive = true;
    csnMode = "accentFold";

    _activateGeneral("accentFoldOptions");

    return true;
}

function activatePunctFold()
{
    if (csnMode !=null) { cancelModeOption(); }

    inspectorActive = true;
    csnMode = "punctFold";

    _activateGeneral("punctFoldOptions");

    return true;
}

function activateFirstnameFold()
{
    if (csnMode !=null) { cancelModeOption(); }

    inspectorActive = true;
    csnMode = "firstnameFold";
    // let csnFirstnameMode remain whatever it is currently selected as

    _activateGeneral("firstnameFoldOptions");

    return true;
}

function activateFirstnameFullFold()
{
    csnFirstnameMode = "full";

    var firstnameFullFoldButton = document.getElementById("firstnameFullFoldButton");
    firstnameFullFoldButton.firstChild.style.visibility = "visible";
    firstnameFullFoldButton.firstChild.style.color = "green";
    var firstnameInitialFoldButton = document.getElementById("firstnameInitialFoldButton");
    firstnameInitialFoldButton.firstChild.style.visibility = "hidden";
    firstnameInitialFoldButton.firstChild.style.color = "white";

    return activateFirstnameFold();
}

function activateFirstnameInitialFold()
{
    csnFirstnameMode = "initial";

    var firstnameFullFoldButton = document.getElementById("firstnameFullFoldButton");
    firstnameFullFoldButton.firstChild.style.visibility = "hidden";
    firstnameFullFoldButton.firstChild.style.color = "white";
    var firstnameInitialFoldButton = document.getElementById("firstnameInitialFoldButton");
    firstnameInitialFoldButton.firstChild.style.visibility = "visible";
    firstnameInitialFoldButton.firstChild.style.color = "green";

    return activateFirstnameFold();
}


function activateNA()
{
    if (csnMode !=null) { cancelModeOption(); }

    inspectorActive = true;
    csnMode = "NA";

    _activateGeneral("NAOptions");

    return true;
}


function activateEdit()
{
    if (csnMode !=null) { cancelModeOption(); }

    inspectorActive = true;
    csnMode = "edit";
    // let csnEditMode remain whatever it is currently selected as

    _activateGeneral("editOptions");

    if (!seaweedActivated) {
    init_seaweed();
    seaweedActivated = true;
    }

    return true;
}

function activateInteractiveEdit()
{

    csnEditMode = "interactive";

    var editInteractiveButton = document.getElementById("editInteractiveButton");
    editInteractiveButton.firstChild.style.visibility = "visible";
    editInteractiveButton.firstChild.style.color = "green";
    var editPreviousFoldButton = document.getElementById("editPreviousButton");
    editPreviousFoldButton.firstChild.style.visibility = "hidden";
    editPreviousFoldButton.firstChild.style.color = "white";

    return activateEdit();
}

function activatePreviousEdit()
{

    csnEditMode = "previous";

    var editInteractiveButton = document.getElementById("editInteractiveButton");
    editInteractiveButton.firstChild.style.visibility = "hidden";
    editInteractiveButton.firstChild.style.color = "white";
    var editPreviousFoldButton = document.getElementById("editPreviousButton");
    editPreviousFoldButton.firstChild.style.visibility = "visible";
    editPreviousFoldButton.firstChild.style.color = "green";

    return activateEdit();
}



function activateSort()
{
    if (csnMode !=null) { cancelModeOption(); }
    inspectorActive = true;
    csnMode = "sort";

    _activateGeneral("sortOptions");

    return true;
}

function activateInteractiveSort()
{
    csnSortMode = "interactive";

    var sortInteractiveButton = document.getElementById("sortInteractiveButton");
    sortInteractiveButton.firstChild.style.visibility = "visible";
    sortInteractiveButton.firstChild.style.color = "green";
    var sortPreviousFoldButton = document.getElementById("sortPreviousButton");
    sortPreviousFoldButton.firstChild.style.visibility = "hidden";
    sortPreviousFoldButton.firstChild.style.color = "white";

    return activateSort();
}

function activatePreviousSort()
{
    csnSortMode = "previous";

    var sortInteractiveButton = document.getElementById("sortInteractiveButton");
    sortInteractiveButton.firstChild.style.visibility = "hidden";
    sortInteractiveButton.firstChild.style.color = "white";
    var sortPreviousFoldButton = document.getElementById("sortPreviousButton");
    sortPreviousFoldButton.firstChild.style.visibility = "visible";
    sortPreviousFoldButton.firstChild.style.color = "green";

    return activateSort();

}


function activateMerge()
{
    if (csnMode !=null) { cancelModeOption(); }
    inspectorActive = true;
    csnMode = "merge";

    _activateGeneral("mergeOptions");

    return true;
}


function activateInteractiveMerge()
{
    csnMergeMode = "interactive";

    var mergeInteractiveButton = document.getElementById("mergeInteractiveButton");
    mergeInteractiveButton.firstChild.style.visibility = "visible";
    mergeInteractiveButton.firstChild.style.color = "green";
    var mergePreviousFoldButton = document.getElementById("mergePreviousButton");
    mergePreviousFoldButton.firstChild.style.visibility = "hidden";
    mergePreviousFoldButton.firstChild.style.color = "white";

    return activateMerge();
}

function activatePreviousMerge()
{

    csnMergeMode = "previous";

    var mergeInteractiveButton = document.getElementById("mergeInteractiveButton");
    mergeInteractiveButton.firstChild.style.visibility = "hidden";
    mergeInteractiveButton.firstChild.style.color = "white";
    var mergePreviousFoldButton = document.getElementById("mergePreviousButton");
    mergePreviousFoldButton.firstChild.style.visibility = "visible";
    mergePreviousFoldButton.firstChild.style.color = "green";

    return activateMerge();
}


function activateDelete()
{
    if (csnMode !=null) { cancelModeOption(); }
    inspectorActive = true;
    csnMode = "delete";

    _activateGeneral("deleteOptions");

    return true;
}

function activatePreviousDelete()
{
    csnDeleteMode = "previous";

    var deleteInteractiveButton = document.getElementById("deleteInteractiveButton");
    deleteInteractiveButton.firstChild.style.visibility = "hidden";
    deleteInteractiveButton.firstChild.style.color = "white";
    var deletePreviousFoldButton = document.getElementById("deletePreviousButton");
    deletePreviousFoldButton.firstChild.style.visibility = "visible";
    deletePreviousFoldButton.firstChild.style.color = "green";

    return activateDelete();
}

function cancelModeOption()
{
    inspectorActive = false;

    _cancelGeneral(csnMode + "Options");

    csnMode = null;

    return true;
}


function performUndo()
{
    alert("Not implemented yet");

    return true;
}



function setFoldMode()
{
    csnFoldOrExpand = "fold";
}

function setExpandMode()
{
    csnFoldOrExpand = "expand";
}


function putCsnToolbarOnTop()
{
    var toolbar = document.getElementById("ComputerSaysNo");


    if (!csnOnTop) {
    var maxZ = zRange['maxZ'];
    var toolbarZindex = (maxZ==null) ? 1000 :parseInt(maxZ);

    toolbar.style.zIndex = toolbarZindex;
    var toolbarActionButton = document.getElementById("CsnOnTopButton");
    toolbarActionButton.innerHTML = "Toolbar underneath";
    csnOnTop = true;
    }
    else {
    toolbar.style.zIndex = "inherit";
    var toolbarActionButton = document.getElementById("CsnOnTopButton");
    toolbarActionButton.innerHTML = "Toolbar on top";
    csnOnTop = false;
    }

    return true;
}



             //------------------------------------------//


// Manipulate Lists of author names

function generateAuthorPack(elem)
{   
    var elem_text  = getChildText(elem);

    var author_name = elem_text;
    author_name = author_name.replace(/^(.*)\(\d+\)?(.*)$/,"$1$2");
    console.log("processing author: " + author_name);

    var author_pack = { "name": author_name,                
            "elem": elem };

    // Dig out author count if there
    var author_count = elem_text;
    if (author_count.match(/^.*\((\d+)\).*$/)) {
    author_count = author_count.replace(/^.*\((\d+)\).*$/,"$1");
    //console.log("author count: " + author_count);
    author_pack.count = author_count;
    }

    // Dig our key hyperlink if there
    var author_link = getFirstChildHyperlink(elem);
    if (author_link != null) {
    var author_link_href  = author_link.href;

    author_pack.link = author_link;
    author_pack.href = author_link_href;
    }

    return author_pack;
}


function generateAuthorMap(rangedElems)
{
    console.log("generateAuthorMap");

    var author_map = new Object();

    //console.log("ranged len " + rangedElems.length);

    for (var i=0; i<rangedElems.length; i++) {
    var currElem = rangedElems[i];
    //console.log("curr Elem" + currElem.nodeName);
    
    var author_pack = generateAuthorPack(currElem);

    if ("link" in author_pack) {
        var author_name = author_pack.name;
        author_pack.folded_name = calcFoldedName(author_name);

        // enter pack as new entry in 'author_map' if new, or merge with alias list if not
        if (author_name in author_map) {
        // treat as alias
        //console.log("adding it as an alias for the existing " + author_name);

        var fi_pack = author_map[author_name];
        var alias = fi_pack.alias;
        alias[alias.length] = author_pack;
        }
        else {
        author_pack.alias = new Array();
        author_map[author_name] = author_pack;
        }
    }
    }

    return author_map;
}

function generateAuthorKeys(author_map)
{

    var author_keys = new Array();

    for (var key in author_map) {
    author_keys[author_keys.length] = key;
    }

    return author_keys;
}

function collapseAuthorMap(author_keys,author_map)
{
    // look for any folded names that are the same, and collapse them into one entry

    for (var fi=0; fi<author_keys.length; fi++) {
    var fi_key = author_keys[fi];

    var fi_pack = author_map[fi_key];

    // skip item has if already been merged with earlier name
    if (!fi_pack) { continue; }

    var fi_folded_name  = fi_pack.folded_name;
    //console.log("fi folded name:" + fi_folded_name)
    for (var mi=fi+1; mi<author_keys.length; mi++) {
        var mi_key = author_keys[mi];
        var mi_pack = author_map[mi_key];

        // skip if already been merged with an earlier name
        if (!mi_pack) { continue; }

        var mi_folded_name = mi_pack.folded_name;
        if (fi_folded_name == mi_folded_name) {
        //console.log(mi_key + " matches " + fi_key);
        var fi_alias_array = author_map[fi_key].alias;
        fi_alias_array[fi_alias_array.length] = mi_pack;

        // and concatenate any existing alias values we know of already
        for (var ai=0; ai<mi_pack.alias.length; ai++) {
            fi_alias_array[fi_alias_array.length] = mi_pack.alias[ai];
        }

        delete author_map[mi_key];
        }       
    }
    }

    
    var collapsed_author_keys = generateAuthorKeys(author_map);

    return collapsed_author_keys;
}

function protectedInsertBefore(sharedParentElem,insertBefore,elem)
{
    if (insertBefore!=null) {
    sharedParentElem.insertBefore(elem,insertBefore);
    }
    else {
    sharedParentElem.appendChild(elem);
    }
}


function explainTooltipFolding(author_pack)
{
    var elem = author_pack.elem;

    if (author_pack.name != author_pack.folded_name) {

    var elemTitle = elem.getAttribute("title");
    if (elemTitle==null) {
        elemTitle="Originally: ";
    }
    else {
        if (elemTitle.match(/Originally: /)) {
        elemTitle += "-> ";
        }
        else {
        elemTitle += "; Originally";
        }
    }
    
    //console.log("*** save mapping currently supressed");
    save_mapping(author_pack.name,author_pack.folded_name);

    elemTitle += author_pack.name;
    elem.setAttribute("title",elemTitle);
    }
}



function analyzeAuthors(sharedParentElem, rangedElems)
{
    console.log("analyzeAuthors");

    var author_map  = generateAuthorMap(rangedElems);
    var author_keys = generateAuthorKeys(author_map);

    var collapsed_author_keys = collapseAuthorMap(author_keys,author_map);

    var oldEndElem = rangedElems[rangedElems.length-1];
    var insertBefore = oldEndElem.nextSibling;

    var newRangedElems = new Array();

    // Take out the current elements
    for (var oi=0; oi<rangedElems.length; oi++) {
    sharedParentElem.removeChild(rangedElems[oi]);
    }

    // add them back in again in their new order

    for (var fi=0; fi<collapsed_author_keys.length; fi++) {
    var fi_key = collapsed_author_keys[fi];
    var fi_pack = author_map[fi_key];

    //console.log("fi = " + fi);

    explainTooltipFolding(fi_pack);
    var fi_anchor_link = fi_pack.link;
    fi_anchor_link.innerHTML = fi_pack.folded_name;

    var fi_elem = fi_pack["elem"];
    protectedInsertBefore(sharedParentElem,insertBefore,fi_elem);

    newRangedElems[newRangedElems.length] = fi_elem;

    var alias = fi_pack.alias;

    for (var ai=0; ai<alias.length; ai++) {     
        //console.log("  ai = " + ai);

        var ai_pack = alias[ai];
        explainTooltipFolding(ai_pack);

        var ai_anchor_link = ai_pack.link;
        ai_anchor_link.innerHTML = ai_pack.folded_name;

        var ai_elem = ai_pack["elem"];
        protectedInsertBefore(sharedParentElem,insertBefore,ai_elem);

        newRangedElems[newRangedElems.length] = ai_elem;

    }
    }   

    sharedParentElemHistory_[sharedParentElemHistory_.length] = sharedParentElem;
    rangedElemsHistory_[rangedElemsHistory_.length] = newRangedElems;

}


function removeSeaweedEditable(elems)
{
    for (var i=0; i<elems.length; i++) {
    if (elems[i].nodeType == ELEMENT_NODE) {
        var elem = elems[i];
        classAtt = elem.getAttribute("class");
        if (classAtt != null) {
        if (classAtt.match(/editable/)) {
            classAtt = classAtt.replace(/\s*editable/,"");
            elem.setAttribute("class",classAtt);
        }
        }
    }
    }
}


function addSeaweedEditable(elems)
{

    for (var i=0; i<elems.length; i++) {
    if (elems[i].nodeType == ELEMENT_NODE) {
        var elem = elems[i];

        classAtt = elem.getAttribute("class");
        if (classAtt != null) {
        if (!classAtt.match(/editable/)) {
            if (classAtt != "") {
            classAtt = " ";
            }
            classAtt += "editable";
            elem.setAttribute("class",classAtt);
        }
        }
        else {
        elem.setAttribute("class","editable");
        }

        var innerHTML = elem.innerHTML;
        innerHTML += '&nbsp;<img style="border: 0px;" src="'+pencilImage+'">';
        elem.innerHTML = innerHTML;
    }
    }

    
}

function editAuthors(sharedParentElem, rangedElems)
{
    addSeaweedEditable(rangedElems);
}


function naCanonicalAuthors(sharedParentElem, rangedElems)
{

    // Asynchronously apply na_alias to each entry
    for (var i=0; i<rangedElems.length; i++) {
    async_named_authority_srw(rangedElems[i],process_named_authority_canonical);
    }
}

function mergeAuthors(sharedParentElem, rangedElems)
{
    console.log("mergeAuthors");

    var author_map  = generateAuthorMap(rangedElems);
    var author_keys = generateAuthorKeys(author_map);

    var collapsed_author_keys = collapseAuthorMap(author_keys,author_map);

    var oldEndElem = rangedElems[rangedElems.length-1];
    var insertBefore = oldEndElem.nextSibling;

    var curr_elem = rangedElems[0];
    var curr_author_pack = generateAuthorPack(curr_elem);
    var curr_author_name = curr_author_pack.name;

    var next_elem = rangedElems[1];
    var ne_pos = 1;

    var newRangedElems = [ curr_elem ];
    
    while (next_elem!=null) {

    var next_author_pack = generateAuthorPack(next_elem);
    var next_author_name = next_author_pack.name;

    // if same
    if (curr_author_name == next_author_name) {
        // combine counts (if present), collate href, and then del item
        var orig_author_count = curr_author_pack.count;
        //var orig_author_link  = curr_author_pack.link;
        var orig_elem = curr_elem;

        var combined_count = parseInt(orig_author_count);
        var combined_hrefs = [ "'"+curr_author_pack.href+"'" ];

        //var combined_mappings = [ ];

        // continue consuming elems until it no longer matches curr_author_name
        while (next_elem!=null) {
        var next_author_count = next_author_pack.count;

        combined_count += parseInt(next_author_count);
        combined_hrefs[combined_hrefs.length] = "'" + next_author_pack.href + "'";
        //combined_mappings[combined_mappings.length] = next_author.orig_name;

        console.log("title = " + next_elem.title);

        if (next_elem.title != "") {
            orig_elem.title += " + " + next_elem.title;
        }

        sharedParentElem.removeChild(next_elem);

        ne_pos++;
        next_elem = rangedElems[ne_pos];

        if (next_elem!=null) {
            next_author_pack = generateAuthorPack(next_elem);
            next_author_name = next_author_pack.name;
            
            if (next_author_name != curr_author_name) {
            break;
            }
        }
        }
        var href_array_str = "[" + combined_hrefs.join(",") + "]";

        //alert("Merging " + curr_author_name + " (" + combined_count + ")");

        var onclick_str = "return multiSearch("+href_array_str+")";
        var curr_author_link = curr_author_pack.link;
        curr_author_link.setAttribute("onclick",onclick_str);

        curr_author_link.href = "#";

        orig_inner_html = curr_elem.innerHTML;
        var count_re = new RegExp("\\("+orig_author_count+"\\)","g");
        //console.log("re: " + count_re);
        //console.log("inner html = " + orig_inner_html);

        orig_inner_html = orig_inner_html.replace(count_re,"("+combined_count+")");
        curr_elem.innerHTML = orig_inner_html;

        console.log("multiSearch("+href_array_str+")");
    }

    if (next_elem!=null) {

        curr_elem = next_elem;
        curr_author_pack = next_author_pack;
        curr_author_name = next_author_name;

        newRangedElems[newRangedElems.length] = curr_elem;
        
        ne_pos++;
        next_elem = rangedElems[ne_pos];
    }
    }

    console.log("*** done merge");

    sharedParentElemHistory_[sharedParentElemHistory_.length] = sharedParentElem;
    rangedElemsHistory_[rangedElemsHistory_.length] = newRangedElems;

}


function deleteAuthors(sharedParentElem, rangedElems)
{

    // Take out the current elements
    for (var oi=0; oi<rangedElems.length; oi++) {
    sharedParentElem.removeChild(rangedElems[oi]);
    }


    sharedParentElemHistory_[sharedParentElemHistory_.length] = sharedParentElem;
    rangedElemsHistory_[rangedElemsHistory_.length] = [];

}


             //------------------------------------------//

function naAliasesAuthors(sharedParentElem, rangedElems)
{

    // Asynchronously apply na_alias to each entry
    for (var i=0; i<rangedElems.length; i++) {
    async_named_authority_srw(rangedElems[i],process_named_authority_aliases);
    }
}

             //------------------------------------------//

// Multi search

function multiSearch(hrefs) 
{
    var windowHeight = window.innerHeight;
    var windowWidth = window.innerWidth;

    var new_html = '<table width="100%" ><tr id="trSearchFrame" valign="top">';

    if (hrefs.length==0) {
    alert("An error occured in merging: multiSearch called with no hrefs");
    }


    var num_frames = hrefs.length;
    var equal_width = (100.0/num_frames) + "%";

    for (var i=0; i<num_frames; i++) {

    var tdId = "tdSearchFrame"+i;

    var frame_html = '<td width="'+equal_width+'" id="'+tdId+'"></td>';


    new_html += frame_html;
    }

    new_html += '</tr></table>';


    document.body.innerHTML = new_html;

    for (var i=0; i<num_frames; i++) {
    var tdFrameElem = document.getElementById("tdSearchFrame"+i);
    //tdFrameElem.height = windowHeight-20;
    tdFrameElem.height = 200;
    }


    for (var i=0; i<num_frames; i++) {

    var tdFrameElem = document.getElementById("tdSearchFrame"+i);

    var frameElem = document.createElement("iframe");
    //frameElem.setAttribute("src",hrefs[i]);
    frameElem.setAttribute("width","98%");
    frameElem.setAttribute("height","100%");
    //frameElem.setAttribute("frameborder","0");
    //frameElem.setAttribute("scrolling","no");
    frameElem.setAttribute("id","searchFrame"+i);
    frameElem.setAttribute("onload",'resizeFrame("searchFrame'+i+'")');

    frameElem.style.overflowX = "scroll";
    frameElem.style.overflowY = "hidden";

    tdFrameElem.appendChild(frameElem);
    }


    setTimeout(continueMultiSearch, 2000, hrefs); // 2 sec delay

    return false;
}


function continueMultiSearch(hrefs)
{
    // console.log("href count in contineu multi search= " + hrefs.length);

    var num_frames = hrefs.length;

    for (var i=0; i<num_frames; i++) {

    var frameElem = document.getElementById("searchFrame"+i);

    frameElem.setAttribute("src",hrefs[i]);
    }

    
    return false;
}

    
function resizeFrame(fid) {
 
  // if (fid == "childframe") return;

  f = parent.document.getElementById(fid);

  if (f!=null) {

    var new_height = f.contentWindow.document.body.scrollHeight;
    new_height += 60; // allow for scroll bar at bottom?

    f.style.height = new_height + "px";

  } 

}



             //------------------------------------------//

// Author Folding and other types of manipulation

function calcFoldedName(author_name)
{
    // calculated folded name based on current mode
    // note: in many cases this is the same string as the key

    var folded_name;

    if (csnMode == "accentFold") {
    folded_name = accent_fold(author_name);
    }
    else if (csnMode == "punctFold") {
    folded_name = punct_fold(author_name);
    }
    else if (csnMode == "firstnameFold") {
    if (csnFirstnameMode == "full") {
        folded_name = firstname_fold(author_name);
    }
    else {
        folded_name = firstname_initial_fold(author_name);
    }
    }
    else if (csnMode == "sort") {
    // trial op: allows items to be sorted as is
    trim(author_name);
    author_name = author_name.replace(/\s+/g," ");
    folded_name = author_name;
    }
    else if (csnMode == "merge") {
    // trial op: allows items to be sorted as is
    folded_name = author_name;
    }
    else {
    alert("Unrecognized mode: " + csnMode);
    folded_name = author_name;
    }
    
    if (author_name != folded_name) {
    console.log("Folded name mapping: " + author_name + "->" + folded_name);
    }

    return folded_name;
}


function accent_fold(search_string) 
{
    // tidy up any pre- or post- whitespace
    search_string = trim(search_string);

    // protect any string literals that are special RE characters
    search_string = search_string.replace(/([|\(\)\[\{\}.+*?^$\\])/g,"\\$1");

    // replace characters by their compositors
    var accent_replacer = function(chr) {
    if (chr.charCodeAt(0)>128) {
        for (var base_c in accented) {
        var letter_re = new RegExp(accented[base_c],'gi');
        if (letter_re.test(chr)) {
            // Got accented char
            // => downgrade to base character
            chr = base_c;
        }
        // otherwise, leave it alone
        }
    }
    return chr;
    }

    search_string = search_string.replace(/\S/g,accent_replacer);
    search_string = search_string.replace(/\\([|\(\)\[\{\}.+*?^$\\])/g,"$1");

    search_string = search_string.replace(/\s+/g," ");

    return search_string;
}


function punct_fold(search_string) 
{
    search_string = trim(search_string);
    search_string = search_string.replace(/\./g,"");

    search_string = search_string.replace(/\s+/g," ");

    return search_string;
}


function firstname_fold(search_string) 
{
    search_string = trim(search_string);

    if (search_string.match(/^(.*\,\s*.).*$/)) {
    search_string = search_string.replace(/^(.*\,\s*.[^\s]*).*$/,"$1");
    }
    else {
    search_string = search_string.replace(/^(.[^\s]*).*\s+(.*)$/,"$1 $2");
    }

    search_string = search_string.replace(/\s+/g," ");

    return search_string;
}


function firstname_initial_fold(search_string) 
{
    search_string = trim(search_string);

    if (search_string.match(/^(.*\,\s*.).*$/)) {
    search_string = search_string.replace(/^(.*\,\s*.).*$/,"$1");
    }
    else {
    search_string = search_string.replace(/^(.).*\s+(.*)$/,"$1 $2");
    }

    search_string = search_string.replace(/\s+/g," ");

    return search_string;
}


function process_named_authority_canonical(response,author_pack)
{
    //console.log("SRW response:\n" + response);

    var parser = new DOMParser();
    marc_xml_doc = parser.parseFromString(response,"text/xml");

    var datafieldElems = marc_xml_doc.getElementsByTagName("mx:datafield");

    var canonical_author_name = null;

    for (var fi=0; fi<datafieldElems.length; fi++) {
    var datafieldElem = datafieldElems[fi];
    if (datafieldElem.getAttribute("tag")=="100") {
        console.log("got match on tag 100");

        var subfieldElems = datafieldElem.getElementsByTagName("mx:subfield");
        for (var si=0; si<subfieldElems.length; si++) {

        var subfieldElem = subfieldElems[si];
        if (subfieldElem.getAttribute("code")=="a") {
            canonical_author_name = getChildText(subfieldElem);
            console.log("*** canonical author = " + canonical_author_name);
        }
        }
    }
    }

    var author_name = author_pack.name;
    var author_link = author_pack.link;


    if ((canonical_author_name!=null) && (canonical_author_name!=author_name)) {
    console.log("trying to set innerHTML with: " + canonical_author_name);
    author_link.innerHTML = canonical_author_name;
    }

}


function count_named_authority_canonical(response,author_pack)
{
    var parser = new DOMParser();
    marc_xml_doc = parser.parseFromString(response,"text/xml");

    var datafieldElems = marc_xml_doc.getElementsByTagName("mx:datafield");

    var prelookupNames = new Array();
    var prelookupAliases = new Array();

    for (var fi=0; fi<datafieldElems.length; fi++) {
    var datafieldElem = datafieldElems[fi];
    if (datafieldElem.getAttribute("tag")=="100") {
        console.log("NA response: got match on tag 100");

        var subfieldElems = datafieldElem.getElementsByTagName("mx:subfield");
        for (var si=0; si<subfieldElems.length; si++) {

        var subfieldElem = subfieldElems[si];
        if (subfieldElem.getAttribute("code")=="a") {
            var canonical_author_name = getChildText(subfieldElem);
            prelookupNames[prelookupNames.length] = canonical_author_name;
            console.log("*** canonical author = " + canonical_author_name);
        }
        }
    }


    if (datafieldElem.getAttribute("tag")=="400") {
        console.log("NA response: got match on tag 400");

        var subfieldElems = datafieldElem.getElementsByTagName("mx:subfield");
        for (var si=0; si<subfieldElems.length; si++) {

        var subfieldElem = subfieldElems[si];
        if (subfieldElem.getAttribute("code")=="a") {
            var canonical_author_name = getChildText(subfieldElem);
            prelookupNames[prelookupNames.length-1] += "<br>&nbsp;&nbsp; also: " + canonical_author_name;
            console.log("*** alias author = " + canonical_author_name);
        }
        }
    }

    }

    var prelookupNamesLen = prelookupNames.length;

    var prelookupNACount= document.getElementById("prelookupNACount");
    prelookupNACount.innerHTML += prelookupNamesLen;

    var prelookupNAList = document.getElementById("prelookupNAList");
    var newInnerHTML = '<p>&nbsp;' + prelookupNames.join("<br>") + '</p>';
    prelookupNAList.innerHTML = newInnerHTML;
}


function process_named_authority_aliases(response,author_pack)
{
    var parser = new DOMParser();
    marc_xml_doc = parser.parseFromString(response,"text/xml");

    var datafieldElems = marc_xml_doc.getElementsByTagName("mx:datafield");

    var author_name = author_pack.name;
    var author_name_aliases = author_name;

    for (var fi=0; fi<datafieldElems.length; fi++) {
    var datafieldElem = datafieldElems[fi];
    if ((datafieldElem.getAttribute("tag")=="100") || (datafieldElem.getAttribute("tag")=="400")) {

        var subfieldElems = datafieldElem.getElementsByTagName("mx:subfield");
        for (var si=0; si<subfieldElems.length; si++) {

        var subfieldElem = subfieldElems[si];
        if (subfieldElem.getAttribute("code")=="a") {
            var author_name_alias = getChildText(subfieldElem);

            if (author_name_alias != author_name) {
            if (author_name_aliases != "") {
                author_name_aliases += " OR ";
            }
            author_name_aliases += author_name_alias;
            console.log("*** alias author = " + author_name_alias);
            }
        }
        }
    }
    }


    var author_elem = author_pack.elem;

    if (author_elem.nodeType==ELEMENT_NODE) {
    if (author_elem.nodeName.toLowerCase()=="input") {
        author_elem.value=author_name_aliases;
    }
    else {
        author_elem.innerHTML = author_name_aliases;
    }
    }
}

function async_named_authority_srw(elem,process_function) 
{
    console.log("async name authority srw");

    var url = "http://alcme.oclc.org/srw/search/lcnaf";

    var author_pack = generateAuthorPack(elem);
    var author_name = author_pack.name;

    // tidy it up a bit
    author_name = trim(author_name);
    author_name = author_name.replace(/\s+/g," ");

    var family_name;
    var first_name;

    if (author_name.match(/^.*\,\s*..*$/)) {
    family_name = author_name.replace(/^(.*)\,\s*..*$/,"$1");
    first_name  = author_name.replace(/^.*\,\s*(\S+).*$/,"$1");
    }
    else {
    family_name = author_name.replace(/^\s*(\S+).*?(\S+)$/,"$2");
    first_name  = author_name.replace(/^\s*(\S+).*?(\S+)$/,"$1");
    }

    // Looks like accent folding is needed to work nicely with OCLC search
    // service
    family_name = accent_fold(family_name);
    first_name = accent_fold(first_name);

    var query_cgi = 'query=local.FamilyName+%3D+"<FamilyName>"+and+local.FirstName+%3D+"<FirstName>"';
    query_cgi = query_cgi.replace(/(<FamilyName>)/g,family_name);
    query_cgi = query_cgi.replace(/(<FirstName>)/g,first_name);

    var cgi_tail = "&version=1.1&operation=searchRetrieve&recordSchema=info%3Asrw%2Fschema%2F1%2Fmarcxml-v1.1&maximumRecords=10&startRecord=1&resultSetTTL=300&recordPacking=xml&recordXPath=&sortKeys=";
    
    url += '?' + query_cgi + cgi_tail;

    console.log("url = " + url);

    GM_xmlhttpRequest( { method:  'GET',
                 url:     url,
        onload:  function (rsp) { process_function(rsp.responseText,author_pack); },
                 onerror: function(rsp) { alert("Error retrieving name authority data:" + rsp.statusText); }
               } );
}


//----------------//



function count_crowdsource_canonical(response,author_pack)
{
    console.log("Count crowd source");

    var author_name = author_pack.name;

    var holderDiv = document.createElement('div');
    holderDiv.innerHTML = response.replace(/<script(.|\s)*?\/script>/g, '');

    var tdArray = holderDiv.getElementsByTagName('td');

    var csMap = new Object();
    var currOrigName   = null;
    var currFoldedName = null;

    for (var i=0; i<tdArray.length; i++) {
    var tdText = tdArray[i].innerHTML;
    if (tdText.match(/^Original Name:/)) {
        currOrigName = tdText.replace(/^Original Name:\s+(.*)$/,"$1");
    }
    if (tdText.match(/^Folded Name:/)) {
        currFoldedName = tdText.replace(/^Folded Name:\s+(.*)$/,"$1");

        if (currOrigName != author_name) {
        // Not interested in this one => skip
        continue;
        }

        if (currOrigName in csMap) {
        if (currFoldedName in csMap[currOrigName]) {
            csMap[currOrigName][currFoldedName]++;
            //console.log("Increasing mapping: " + currOrigName 
            //      + " -> " + currFoldedName );
        }
        else {
            csMap[currOrigName][currFoldedName] = 1;
            // console.log("Creating another mapping for " + currOrigName 
            //      + " (this time ->) " + currFoldedName );
        }
        }
        else {
        
        //console.log("First ever mapping for: " + currOrigName 
        //      + " -> " + currFoldedName );
        csMap[currOrigName] = new Object();
        csMap[currOrigName][currFoldedName] = 1;
        }
    }
    }

    var csMapKeys = new Array();
    for (var key in csMap) {
    csMapKeys[csMapKeys.length] = key;
    }

    var origNameLen = csMapKeys.length;

    var prelookupCSCount= document.getElementById("prelookupCSCount");
    var prelookupCSList = document.getElementById("prelookupCSList");

    if (origNameLen == 1) {
    var okey = csMapKeys[0];
    var foldedKeys = new Array();

    for (var fkey in csMap[okey]) {
        foldedKeys[foldedKeys.length]= fkey;
    }

    var foldedNameLen = foldedKeys.length;
    
    prelookupCSCount.innerHTML += foldedNameLen;

    var newInnerHTML = '<p><table>';
    for (var fkey in csMap[okey]) {
        newInnerHTML += "<tr><td>&nbsp;-> " + fkey + ":</td><td>&nbsp;freq(" + csMap[okey][fkey] + ")</td></tr>";
    }
    newInnerHTML += '</table></p>';

    prelookupCSList.innerHTML = newInnerHTML;
    }
    else {
    if (origNameLen == 0) {
        prelookupCSCount.innerHTML += 0;
        prelookupCSList.innerHTML = "no matches were found";
    }
    else {
        alert("Error: Did not expect to find more than one original name in crowdsource lookup.  Count: " + origNameLen);
    }
    }
}


function async_crowdsource_greenstone(elem,process_function) 
{
    console.log("Async crowdsource");

    var url = "http://www.nzdl.org/custom/seaweed-gm/cgi-bin/library.cgi";

    var data = "c="+crowdsourceNamespace+"&a=q&r=1&hs=1&fqf=GS&sf=&t=1&q=";

    var author_pack = generateAuthorPack(elem);
    var author_name = author_pack.name;

    // tidy it up a bit
    author_name = trim(author_name);
    author_name = author_name.replace(/\s+/g," ");

    data += author_name;

    //var encoded_data = encodeURI(data);
    var encoded_data = data;

    url += "?" + encoded_data;

    console.log("url = " + url);

    GM_xmlhttpRequest( { method: 'GET',
                     url:     url,
       onload: function (rsp) { process_function(rsp.responseText,author_pack); },
       onerror:function(rsp) { alert("Error setting metadata"); }
               } );

}




//----------------//

function name_unfold_re(search_string) {
    // escape meta characters
    search_string = search_string.replace(/\./g,"");
    search_string = search_string.replace(/^\s/,"");
    search_string = search_string.replace(/\s$/,"");

    search_string = search_string.replace(/([|\(\)\[\{\}.+*?^$\\])/g,"\\$1");

    // replace characters by their compositors
    var accent_replacer = function(chr) {
        return accented[chr.toLowerCase()] || chr;
    }
    search_string = search_string.replace(/\S/g,accent_replacer);

    search_string = search_string.replace(/\s+/g,"\\s+");

    return new RegExp(search_string,'g');
}

var accented = {
    'a': '[Aa\xaa\xc0-\xc5\xe0-\xe5\u0100-\u0105\u01cd\u01ce\u0200-\u0203\u0226\u0227\u1d2c\u1d43\u1e00\u1e01\u1e9a\u1ea0-\u1ea3\u2090\u2100\u2101\u213b\u249c\u24b6\u24d0\u3371-\u3374\u3380-\u3384\u3388\u3389\u33a9-\u33af\u33c2\u33ca\u33df\u33ff\uff21\uff41]',
    'b': '[Bb\u1d2e\u1d47\u1e02-\u1e07\u212c\u249d\u24b7\u24d1\u3374\u3385-\u3387\u33c3\u33c8\u33d4\u33dd\uff22\uff42]',
    'c': '[Cc\xc7\xe7\u0106-\u010d\u1d9c\u2100\u2102\u2103\u2105\u2106\u212d\u216d\u217d\u249e\u24b8\u24d2\u3376\u3388\u3389\u339d\u33a0\u33a4\u33c4-\u33c7\uff23\uff43]',
    'd': '[Dd\u010e\u010f\u01c4-\u01c6\u01f1-\u01f3\u1d30\u1d48\u1e0a-\u1e13\u2145\u2146\u216e\u217e\u249f\u24b9\u24d3\u32cf\u3372\u3377-\u3379\u3397\u33ad-\u33af\u33c5\u33c8\uff24\uff44]',
    'e': '[Ee\xc8-\xcb\xe8-\xeb\u0112-\u011b\u0204-\u0207\u0228\u0229\u1d31\u1d49\u1e18-\u1e1b\u1eb8-\u1ebd\u2091\u2121\u212f\u2130\u2147\u24a0\u24ba\u24d4\u3250\u32cd\u32ce\uff25\uff45]',
    'f': '[Ff\u1da0\u1e1e\u1e1f\u2109\u2131\u213b\u24a1\u24bb\u24d5\u338a-\u338c\u3399\ufb00-\ufb04\uff26\uff46]',
    'g': '[Gg\u011c-\u0123\u01e6\u01e7\u01f4\u01f5\u1d33\u1d4d\u1e20\u1e21\u210a\u24a2\u24bc\u24d6\u32cc\u32cd\u3387\u338d-\u338f\u3393\u33ac\u33c6\u33c9\u33d2\u33ff\uff27\uff47]',
    'h': '[Hh\u0124\u0125\u021e\u021f\u02b0\u1d34\u1e22-\u1e2b\u1e96\u210b-\u210e\u24a3\u24bd\u24d7\u32cc\u3371\u3390-\u3394\u33ca\u33cb\u33d7\uff28\uff48]',
    'i': '[Ii\xcc-\xcf\xec-\xef\u0128-\u0130\u0132\u0133\u01cf\u01d0\u0208-\u020b\u1d35\u1d62\u1e2c\u1e2d\u1ec8-\u1ecb\u2071\u2110\u2111\u2139\u2148\u2160-\u2163\u2165-\u2168\u216a\u216b\u2170-\u2173\u2175-\u2178\u217a\u217b\u24a4\u24be\u24d8\u337a\u33cc\u33d5\ufb01\ufb03\uff29\uff49]',
    'j': '[Jj\u0132-\u0135\u01c7-\u01cc\u01f0\u02b2\u1d36\u2149\u24a5\u24bf\u24d9\u2c7c\uff2a\uff4a]',
    'k': '[Kk\u0136\u0137\u01e8\u01e9\u1d37\u1d4f\u1e30-\u1e35\u212a\u24a6\u24c0\u24da\u3384\u3385\u3389\u338f\u3391\u3398\u339e\u33a2\u33a6\u33aa\u33b8\u33be\u33c0\u33c6\u33cd-\u33cf\uff2b\uff4b]',
    'l': '[Ll\u0139-\u0140\u01c7-\u01c9\u02e1\u1d38\u1e36\u1e37\u1e3a-\u1e3d\u2112\u2113\u2121\u216c\u217c\u24a7\u24c1\u24db\u32cf\u3388\u3389\u33d0-\u33d3\u33d5\u33d6\u33ff\ufb02\ufb04\uff2c\uff4c]',
    'm': '[Mm\u1d39\u1d50\u1e3e-\u1e43\u2120\u2122\u2133\u216f\u217f\u24a8\u24c2\u24dc\u3377-\u3379\u3383\u3386\u338e\u3392\u3396\u3399-\u33a8\u33ab\u33b3\u33b7\u33b9\u33bd\u33bf\u33c1\u33c2\u33ce\u33d0\u33d4-\u33d6\u33d8\u33d9\u33de\u33df\uff2d\uff4d]',
    'n': '[Nn\xd1\xf1\u0143-\u0149\u01ca-\u01cc\u01f8\u01f9\u1d3a\u1e44-\u1e4b\u207f\u2115\u2116\u24a9\u24c3\u24dd\u3381\u338b\u339a\u33b1\u33b5\u33bb\u33cc\u33d1\uff2e\uff4e]',
    'o': '[Oo\xba\xd2-\xd6\xf2-\xf6\u014c-\u0151\u01a0\u01a1\u01d1\u01d2\u01ea\u01eb\u020c-\u020f\u022e\u022f\u1d3c\u1d52\u1ecc-\u1ecf\u2092\u2105\u2116\u2134\u24aa\u24c4\u24de\u3375\u33c7\u33d2\u33d6\uff2f\uff4f]',
    'p': '[Pp\u1d3e\u1d56\u1e54-\u1e57\u2119\u24ab\u24c5\u24df\u3250\u3371\u3376\u3380\u338a\u33a9-\u33ac\u33b0\u33b4\u33ba\u33cb\u33d7-\u33da\uff30\uff50]',
    'q': '[Qq\u211a\u24ac\u24c6\u24e0\u33c3\uff31\uff51]',
    'r': '[Rr\u0154-\u0159\u0210-\u0213\u02b3\u1d3f\u1d63\u1e58-\u1e5b\u1e5e\u1e5f\u20a8\u211b-\u211d\u24ad\u24c7\u24e1\u32cd\u3374\u33ad-\u33af\u33da\u33db\uff32\uff52]',
    's': '[Ss\u015a-\u0161\u017f\u0218\u0219\u02e2\u1e60-\u1e63\u20a8\u2101\u2120\u24ae\u24c8\u24e2\u33a7\u33a8\u33ae-\u33b3\u33db\u33dc\ufb06\uff33\uff53]',
    't': '[Tt\u0162-\u0165\u021a\u021b\u1d40\u1d57\u1e6a-\u1e71\u1e97\u2121\u2122\u24af\u24c9\u24e3\u3250\u32cf\u3394\u33cf\ufb05\ufb06\uff34\uff54]',
    'u': '[Uu\xd9-\xdc\xf9-\xfc\u0168-\u0173\u01af\u01b0\u01d3\u01d4\u0214-\u0217\u1d41\u1d58\u1d64\u1e72-\u1e77\u1ee4-\u1ee7\u2106\u24b0\u24ca\u24e4\u3373\u337a\uff35\uff55]',
    'v': '[Vv\u1d5b\u1d65\u1e7c-\u1e7f\u2163-\u2167\u2173-\u2177\u24b1\u24cb\u24e5\u2c7d\u32ce\u3375\u33b4-\u33b9\u33dc\u33de\uff36\uff56]',
    'w': '[Ww\u0174\u0175\u02b7\u1d42\u1e80-\u1e89\u1e98\u24b2\u24cc\u24e6\u33ba-\u33bf\u33dd\uff37\uff57]',
    'x': '[Xx\u02e3\u1e8a-\u1e8d\u2093\u213b\u2168-\u216b\u2178-\u217b\u24b3\u24cd\u24e7\u33d3\uff38\uff58]',
    'y': '[Yy\xdd\xfd\xff\u0176-\u0178\u0232\u0233\u02b8\u1e8e\u1e8f\u1e99\u1ef2-\u1ef9\u24b4\u24ce\u24e8\u33c9\uff39\uff59]',
    'z': '[Zz\u0179-\u017e\u01f1-\u01f3\u1dbb\u1e90-\u1e95\u2124\u2128\u24b5\u24cf\u24e9\u3390-\u3394\uff3a\uff5a]'
};



             //------------------------------------------//

// Static Images

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var csnImage = "data:image/png;base64,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";

var csmImage = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAASYAAAAVCAYAAADrXUNtAAAAAXNSR0IArs4c6QAAAAZiS0dEAP8A/wD/oL2nkwAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB9sBBAUlB3ZzfwQAAAAZdEVYdENvbW1lbnQAQ3JlYXRlZCB3aXRoIEdJTVBXgQ4XAAAG+ElEQVR42u3cbYwdZRUH8F+bFiQKUSMGi36wVRJQlBeJoqTSWl9aYtcPVlNQalFrCB/kgw5JExWM0WRiNEaJFKsWwdWkYlpShVqllEWp74WamJWmKtYqrdbIS2m3za4f5rnb6eydO3Nn5u5WMv9kMnvPnXPPmf9znjPPPM/ZZ5bIh/EVPF9v/BkLxCYmJZFZ+CpuyNH5AxaLHTxJWs7mOG7EYrxP7FjQnVCMPLsX40Kx7/TUjgzhQxm7K7EOZxbYnsAwrhUbr8xvHY7qoLy/sCnD0eB9jlyAS8TuasTnwXOVF8czxVWd/lM9V/SJ2bio5LV3dElKK7Gwh84CrBJ5aUZexuZPsQTvCecOvotnC3Tz7G7G50VmF+iv7mL3oj54ncek7Wr81uOoDvq5z7Px8kZ8jgyJzC2hvwZ3ilzSkM+D5iqvjWaKq376z9kVY+OOOkkJ5uAN+Az+gbEe1z6Q+Xwrrsc1PfQewwhWi1yZysCX44v4C54OsteG8+N4ErvDIZOhX4XP4u89CO7YvS7YPRDkrwjnhV3uJ41lU+zGbhK5JTy9npfj8wR+I/bX1G9dirU4gON98FtGL4+jOijr7y6xPRnZZaFt9uNInz5vwkGRIbGHe9i9Opzn43cN+FwHdeJ4priaH7h6gtwRWKf/XCuySOzfNWO5UmJ6UzhWiP2gD93rw3msp17kTFyAtzJ53aXhOGEzsjF8l5Z1eyq8MRwrStg9PySh7HUvKbi37k+j2GFsSdmY6nP34L28Ar/l9Mo9OTVutzvKts3cHqOZc0uMeJr0uW4SH3QczwxXSf+5EItS/WfaeJ6tRYsWLU4xtImpRYsWbWJq0aJFizYxtWjR4v82MY1Jag/6RRm9P+XIn8Foge7vc+R76bkaAd/r8d2RAt1+V27KLI0eqdhGRXpHBxQbVf2t2zZjBbrHBuBzHcxkHA+Sq6MzyfMc/BMfE/ttn7pl9RZhOw5lktUa8eRSKOyT1P/sT8mWYGtGtgH34o9h5SAPn5MUfz6akX9NnFpZK+9zN3wSVwV/euE2HBN5b87349ginhJoRXokNVcbSibHsihjd6vYUxlZ3bb5NsYK7H4U3+hyv1V9roOZjONBc5UXV1Vjue/E9LopFZ7lUE4vtl/kisy1i8QnNVInGVwm9ouU7qFQq5G+diNer7gC+23BTjrzLxMXJhFi+0Tekqp/ysOXcFcoI8jDMlyM+wp+6x4MVdDbieV4qKHOVt5uUiN2tGLbdGrROrhKUsB3b8n7HWnI5zqYrjieGa6mxlXVWK70KveoyPIKuuX0IvPwkMjilHRU5LpMMtgjzgxbI+fh1yJLU9If4dVYihU9jnd2CcBv9eHzSMbnbliPB0XO6XHNivBkfargVXBLBb3OKGCr2DONdLUkcd9fwu42xKGN+m2bdSF435Wy++M+7C6VruGp53MdTEccN8tV+bjaFhLRuQ3EcqUR0znYKPLmPl/nyuptx3l4cUr2AqwXGRX7eYHuPFOrmldjU4Uirzo+5w134QpyfVktKS49X3zSU0+J314YnqpDYS7jm2LjA581ie3EWQXJe1jyL0kjmXnE4raJjEmKWGc1Zreez1Ux+Dhunqty8VhHtwF0Jr9Pwysr6JfRy3s6zcLLCnTnFdg2zT5XxXxJxWy/WBCG8l/G7RgWmePUwMoabTN3QHYHqWuG4ngQXJWJx5UNx3KlxNTi1MXT2BH+fj/uFjm9paXFcxltYjr1cTzME2wNn5fjHpEzWmpatImpxcwh9mxISJuC5B24r2CZuUWLNjG1GHhyGpOsigwHyUJsE3lhS06L5xrm4Jf4IU4vKLh6QOxfqc9fl2x9cloPvT2SpcW/OTFPkkbRhlVHnNj7KIsDFe53J+4u8Hm3pGK2zKRjL/86+FUY6ZzRJ7/pV7lOcjou8kEcxkck22ZsF3l7jm41RM7ClfInZos4Kmqbg7ptyVHHbn2f62CQcdw0V2XicTT02314sJFYTuZFF0lWMuX6HCdV9HMkFaU3UzhncTNuSX2+QVJ8tRav6dEgn5bsaJcusHwynO8vsLlZMuH735Rsb/B7pEIA7ZYUq/W6159ICteWhwTQr39ZPIJPVeC3U/a/IzNyGhdZIykf+Lik0G5H2NDrQANJ6XZ8oCJHZdtmOPi+txG79Xyug+mI42a5SjaBK4rHw6Fffz8TU9ViObIWn8CLSsTfw1g1G7tKNsKqsJ1up4NMiA1LajTy8Bg2dOkwa3BrmDvphfWSArOfpWTvRlRx684y97pEsqXpZkmRWZF/t2X8q2JzKr/cJKkq/0+X17oJsRvxBcmq3SM09q8WdTgq2zbrcLV4clfFunabbteymI44bpqra0okllHcKfZEQ7G8i9L1d4fw+P8APDTuuF84+/wAAAAASUVORK5CYII=";

var csyImage = "data:image/png;base64,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";

var pencilImage = "data:image/png;base64,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";

// useful way to init string

var abc = <>
xxxxx
    </>;


document.body.addEventListener('mouseover',csnHighlight,true);
document.body.addEventListener('mouseout',csnDeHighlight,true);

document.body.addEventListener('mousedown',csnStartDragging,true);
document.body.addEventListener('mouseup',csnStopDragging,true);
document.body.addEventListener('click',csnSingleClick,true);

//document.body.addEventListener('keydown',csnKeyPress,true);
//document.body.addEventListener('keyup',csnKeyPress,true);
document.body.addEventListener('keypress',csnKeyPress,true);

/*
var frames = document.getElementsByTagName("iframe");
for (var i=0; i<frames.length; i++) {
    var frame = frames[i];
    frame.addEventListener('mouseover',csnHighlight,true);
    frame.addEventListener('mouseout',csnDeHighlight,true);

    frame.addEventListener('mousedown',csnStartDragging,true);
    frame.addEventListener('mouseup',csnStopDragging,true);
    frame.addEventListener('click',csnSingleClick,true);
}
*/

document.addEventListener('load',csnInit,true);



        //--------------------===========================--------------------//


var usernameNamespace="jcdl2011";
var crowdsourceNamespace="csn";

function sw_clean(html)
{
  html = html.replace(/<div.*?sw-cursor.*?><\/div>/g,"");
  html = html.replace(/<div.*?sw-protect.*?>.*?<\/div>/g,"");
  html = html.replace(/<div.*?sw-protect.*?\/>/g,"");

  return html;
}

function sw_edited()
{
   return (de.Changes.getChangedEditableSections().length>0);
}


var popupWidth = 100;
var popupHeight = 20;

function getScrollXY() 
{
    var scrOfX = 0, scrOfY = 0;
    if( typeof( window.pageYOffset ) == 'number' ) {
    //Netscape compliant
    scrOfY = window.pageYOffset;
    scrOfX = window.pageXOffset;
    } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
    //DOM compliant
    scrOfY = document.body.scrollTop;
    scrOfX = document.body.scrollLeft;
    } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
    //IE6 standards compliant mode
    scrOfY = document.documentElement.scrollTop;
    scrOfX = document.documentElement.scrollLeft;
    }
    return [ scrOfX, scrOfY ];
}

function set_popup_top(popUpDivVar,sy) 
{
    var window_height = window.innerHeight;

    var popUpDiv = document.getElementById(popUpDivVar);
    var popUpDiv_top=window_height/2-(popupHeight/2);
    popUpDiv.style.top = (sy + popUpDiv_top) + 'px';
}

function set_popup_left(popUpDivVar,sx) 
{
    var window_width = window.innerWidth;

    var popUpDiv = document.getElementById(popUpDivVar);
    var window_left=window_width/2-(popupWidth/2);
    popUpDiv.style.left = (sx + window_left) + 'px';
}

function show_popup(div_id) 
{
    var [ sx, sy ] = getScrollXY();

    set_popup_top(div_id,sy);
    set_popup_left(div_id,sx);

    var el = document.getElementById(div_id);
    el.style.display = 'block';
}

function hide_popup(div_id) 
{
    var el = document.getElementById(div_id);
    el.style.display = 'none';
}

var starting_html = sw_clean(document.body.innerHTML);
var live_html = null;



function add_title_metadata(namespace,title,filename)
{
  if (title==null) {
      title = document.title.replace(/ \[seaweed edited\]$/,"");
  }

  var url = "http://www.nzdl.org/custom/seaweed-gm/cgi-bin/metadata-server.pl";
  var data = "a=set-import-metadata";
  data += "&un=" + namespace;
  data += "&pw=" + namespace;
  data += "&c="  + namespace;

  data += "&f=" + filename;
  data += "&metaname=dc.Title&metavalue=" + title;
  data += "&metamode=override";

  var encoded_data = encodeURI(data);

  url += "?" + encoded_data;

  // alert("url = " + url);

  // should change this to a GET
  GM_xmlhttpRequest( { method: 'GET',
                   url:     url,
               onerror: function(rsp) { alert("Error setting metadata"); }
               } );

}



function _save_doc_html(namespace,title,html,filename)
{
    if (!seaweedActivated) {
    init_seaweed();
    seaweedActivated = true;
    }

  var url = "http://www.nzdl.org/custom/seaweed-gm/cgi-bin/swio.pl";
  var data = "cmd=store-file";
  data += "&un=" + namespace;
  data += "&pw=" + namespace;
  data += "&c="  + namespace;
  data += "&f="  + filename;

  //alert("data = " + data);

  var encoded_html = html;

  encoded_html = encoded_html.replace(/&/g, "%26");
  encoded_html = encoded_html.replace(/</g, "%3C");
  encoded_html = encoded_html.replace(/>/g, "%3E");
  encoded_html = encoded_html.replace(/\"/g,"%22");
  encoded_html = encoded_html.replace(/\;/g,"%3B");
  encoded_html = encoded_html.replace(/\+/g,"%2B");

  data += "&html=" + encoded_html

  var encoded_data = encodeURI(data);

  //alert("encoded data = " + encoded_data);


  var popup_div = document.getElementById("popUpDiv");
  popup_div.innerHTML = "Saving ...";
  show_popup('popUpDiv');

  GM_xmlhttpRequest( { method: 'POST',
                   url:     url,
               headers: {'Content-type':'application/x-www-form-urlencoded'},
               data:    encoded_data,
          onload:  function(rsp) { add_title_metadata(namespace,title,filename) ; save_done(rsp) },
               onerror: save_failed } );
}



function save_mapping(orig_name,new_name)
{
    var timestamp = new Date().getTime();
    var filename = timestamp + ".html";
    var title = timestamp + " Crowdsource Mapping";

    var html = '<html>\n';
    html += '  <head>\n';
    html += '    <title>'+title+'</titile>\n';
    html += '    <meta name="gs.OrigName" content="'+orig_name+'" />\n';
    html += '    <meta name="gs.FoldedName" content="'+new_name+'" />\n';
    html += '  </head>\n';
    html += '  <body>\n';
    html += '     <p>\n';
    html += '     '+orig_name+'-&gt;'+new_name+'\n';
    html += '     </p>\n';
    html += '  </body>\n';
    html += '</html>\n';

    _save_doc_html(crowdsourceNamespace,title,html,filename);
}


function save_live_doc_html()
{
  live_html = sw_clean(document.body.innerHTML);
 
  var location = new String(document.location);
  var filename = location.replace(/^[a-z]+:\/\//,"");

  if (filename.match(/\/$/)) {
      filename += "index.html";
  }

  var title = document.title.replace(/ \[seaweed edited\]$/,"");
  var head = "<head><title>" + title + "</title></head>";
  var encoded_live_html = "<html>" + head + "<body>" + live_html + "</body></html>"; 

  alert("encoded live html being sent");

  _save_doc_html(usernameNamespace,title,encoded_live_html,filename);

}



function revert_to_orig_doc()
{

  GM_xmlhttpRequest( { method: 'GET',
          url:     document.location.toString(),
          onload:  revert_done,
          onerror: revert_failed } );
}


function revert_done(rsp)
{
  var status = rsp.status;
  if (status == 200) {
      var response = rsp.responseText;

      //alert("response = " + response);

      var inner_body =  response.match(/<body>(.*)<\/body>/i);
      //alert("inner body = " + inner_body);

      var response_body = response.replace(/^.*<body>(.*)<\/body>.*$/i,"$1");
      
      document.body.innerHTML = response_body;
      
      init_seaweed();  
      starting_html = sw_clean(document.body.innerHTML);
  }
  else {
    revert_failed(rsp);
  }
}



function revert_failed(rsp)
{
  alert("Revert failed: Status = " + rsp.status + ";\n"+ rsp.statusText);
  init_seaweed();  
}



function unload_precheck(event)
{
    var curr_html = sw_clean(document.body.innerHTML);

  if (curr_html != starting_html) {
//  if (sw_edited()) {  

      event.returnValue = "The document has been edited.";
      event.preventDefault();
  }
}



function save_done(rsp)
{
  var status = rsp.status;
  if (status == 200) {
    var response = rsp.responseText;

    if (response.match(/^Error:/i)) {
        alert("Save failed for:\n\n  " + document.location + "\n\n" + response);
    }
    else {
    if (live_html!=null) {
        starting_html = sw_clean(live_html);
    }


      //alert("popup" + hide_popup);

      var popup_div = document.getElementById("popUpDiv");
      popup_div.innerHTML = "Saving ... Done";
      setTimeout(hide_popup,500,"popUpDiv");

      if (live_html!=null) {
      de.Changes.clear();
      html_edited = false;
      document.title = document.title.replace(/ \[seaweed edited\]$/,"");
      }
    }
  }
  else {
    save_failed(rsp);
  }
}

function save_failed(rsp)
{
  alert("Save failed: Status = " + rsp.status + ";\n"+ rsp.statusText);
}


// -----------------------------------------------------


function restore_live_doc_html()
{
  var location = new String(document.location);
  var filename = location.replace(/^[a-z]+:\/\//,"");

  var url = "http://www.nzdl.org/custom/seaweed-gm/cgi-bin/swio.pl?";
  url += "cmd=restore-file";
  url += "&un=" + usernameNamespace;
  url += "&pw=" + usernameNamespace;
  url += "&c="  + usernameNamespace;
  url += "&f="  + filename;

  GM_xmlhttpRequest( { method: 'GET',
                   url:     url,
               onload:  load_done,
               onerror: load_failed } );

}

var html_edited = false;

function init_seaweed()
{
    //alert("Init Seaweed, url = " + document.location);
     de.init();
     de.Changes.clear();

     de.UndoMan.addObserver({
       onBeforeExec : function() {
       if (!html_edited) {
           document.title += " [seaweed edited]";
       }
       html_edited = true;
       }
     });

    var popup_div   = document.createElement("div");
    popup_div.setAttribute("id","popUpDiv");
    popup_div.setAttribute("class","sw-protect");

    
    popup_div.setAttribute("style",
      "position:absolute; \
       display:none; \
       background-color:#363736; \
       color: white; \
       z-index: 9002;");

    popup_div.style.width = popupWidth + "px";
    popup_div.style.height = popupHeight + "px";

    document.body.appendChild(popup_div);
}

function load_done(rsp)
{
  var status = rsp.status;
  if (status == 200) {
    var response = rsp.responseText;

    if (response.match(/^Error:/i)) {
        alert("Load failed for:\n\n  " + document.location + "\n\n" + response);
    }
    else {
      if (response != "") {
        document.body.innerHTML = response;
      }
     init_seaweed();  
     starting_html = sw_clean(document.body.innerHTML);

    }
  }
  else {
    load_failed(rsp);
  }
}


function load_failed(rsp)
{
  alert("Load failed: Status = " + rsp.status + ";\n"+ rsp.statusText);
  init_seaweed();  
}


function loaded()
{
  restore_live_doc_html();
}


//window.addEventListener('beforeunload',unload_precheck,true);

//window.addEventListener('load',init_seaweed,false);






















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bu={formatStates:{},inlineContainerType:null,textAlign:null,blockQuote:false};if(bn){u(a2);(function bv(bx){bs(bx.node)})(bn);aW(a2)}if(bb&&(bb.nodeType==3||ae(bb))){bs(bb.nodeType==3?bb.parentNode:bb)}return bu;function bt(bx){return X(bx)=="blockquote"}function bs(by){if(ae(by)){var bC=de.doc.getEditProperties(by)||{};for(var bB in bw){var bx=bw[bB].toLowerCase();if(!bu.formatStates[bx]||bu.formatStates[bx]!="mixed"){var bD=by,bz=false;while(bD!=H&&de.doc.isNodeEditable(bD)){var bE=q[bx+"Eval"](bD);if(bE){if(typeof bu.formatStates[bx]=="undefined"){bu.formatStates[bx]=bE.value}else{if(bu.formatStates[bx]!==bE.value){bu.formatStates[bx]="mixed"}}bz=true;break}bD=bD.parentNode}if(!bz){bu.formatStates[bx]=(bu.formatStates[bx]===null||typeof bu.formatStates[bx]=="undefined")?null:"mixed"}}}}if(by.nodeType==1){if(bu.textAlign!="mixed"){var 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