Revert r34541 for the moment pending further review & discussion...
[lhc/web/wiklou.git] / skins / common / wikibits.js
index 4961127..812710b 100644 (file)
@@ -1,17 +1,22 @@
 // MediaWiki JavaScript support functions
 
 var clientPC = navigator.userAgent.toLowerCase(); // Get client info
-var is_gecko = ((clientPC.indexOf('gecko')!=-1) && (clientPC.indexOf('spoofer')==-1)
-                && (clientPC.indexOf('khtml') == -1) && (clientPC.indexOf('netscape/7.0')==-1));
-var is_safari = ((clientPC.indexOf('applewebkit')!=-1) && (clientPC.indexOf('spoofer')==-1));
-var is_khtml = (navigator.vendor == 'KDE' || ( document.childNodes && !document.all && !navigator.taintEnabled ));
-// For accesskeys
-var is_ff2_win = (clientPC.indexOf('firefox/2')!=-1 || clientPC.indexOf('minefield/3')!=-1) && clientPC.indexOf('windows')!=-1;
-var is_ff2_x11 = (clientPC.indexOf('firefox/2')!=-1 || clientPC.indexOf('minefield/3')!=-1) && clientPC.indexOf('x11')!=-1;
+var is_gecko = /gecko/.test( clientPC ) &&
+       !/khtml|spoofer|netscape\/7\.0/.test(clientPC);
+var is_safari = clientPC.indexOf('applewebkit') != -1 &&
+       clientPC.indexOf('spoofer') == -1;
+var is_khtml = navigator.vendor == 'KDE' ||
+       ( document.childNodes && !document.all && !navigator.taintEnabled );
+// For accesskeys; note that FF3+ is included here!
+var is_ff2 = /firefox\/[2-9]|minefield\/3/.test( clientPC );
+// These aren't used here, but some custom scripts rely on them
+var is_ff2_win = is_ff2 && clientPC.indexOf('windows') != -1;
+var is_ff2_x11 = is_ff2 && clientPC.indexOf('x11') != -1;
 if (clientPC.indexOf('opera') != -1) {
        var is_opera = true;
-       var is_opera_preseven = (window.opera && !document.childNodes);
-       var is_opera_seven = (window.opera && document.childNodes);
+       var is_opera_preseven = window.opera && !document.childNodes;
+       var is_opera_seven = window.opera && document.childNodes;
+       var is_opera_95 = /opera\/(9.[5-9]|[1-9][0-9])/.test( clientPC );
 }
 
 // Global external objects used by this script.
@@ -41,7 +46,7 @@ function hookEvent(hookName, hookFunct) {
 if (typeof stylepath != 'undefined' && typeof skin != 'undefined') {
        if (is_opera_preseven) {
                document.write('<link rel="stylesheet" type="text/css" href="'+stylepath+'/'+skin+'/Opera6Fixes.css">');
-       } else if (is_opera_seven) {
+       } else if (is_opera_seven && !is_opera_95) {
                document.write('<link rel="stylesheet" type="text/css" href="'+stylepath+'/'+skin+'/Opera7Fixes.css">');
        } else if (is_khtml) {
                document.write('<link rel="stylesheet" type="text/css" href="'+stylepath+'/'+skin+'/KHTMLFixes.css">');
@@ -71,204 +76,6 @@ function toggleVisibility(_levelId, _otherId, _linkId) {
        }
 }
 
-function historyRadios(parent) {
-       var inputs = parent.getElementsByTagName('input');
-       var radios = [];
-       for (var i = 0; i < inputs.length; i++) {
-               if (inputs[i].name == "diff" || inputs[i].name == "oldid") {
-                       radios[radios.length] = inputs[i];
-               }
-       }
-       return radios;
-}
-
-// check selection and tweak visibility/class onclick
-function diffcheck() {
-       var dli = false; // the li where the diff radio is checked
-       var oli = false; // the li where the oldid radio is checked
-       var hf = document.getElementById('pagehistory');
-       if (!hf) {
-               return true;
-       }
-       var lis = hf.getElementsByTagName('li');
-       for (var i=0;i<lis.length;i++) {
-               var inputs = historyRadios(lis[i]);
-               if (inputs[1] && inputs[0]) {
-                       if (inputs[1].checked || inputs[0].checked) { // this row has a checked radio button
-                               if (inputs[1].checked && inputs[0].checked && inputs[0].value == inputs[1].value) {
-                                       return false;
-                               }
-                               if (oli) { // it's the second checked radio
-                                       if (inputs[1].checked) {
-                                               oli.className = "selected";
-                                               return false;
-                                       }
-                               } else if (inputs[0].checked) {
-                                       return false;
-                               }
-                               if (inputs[0].checked) {
-                                       dli = lis[i];
-                               }
-                               if (!oli) {
-                                       inputs[0].style.visibility = 'hidden';
-                               }
-                               if (dli) {
-                                       inputs[1].style.visibility = 'hidden';
-                               }
-                               lis[i].className = "selected";
-                               oli = lis[i];
-                       }  else { // no radio is checked in this row
-                               if (!oli) {
-                                       inputs[0].style.visibility = 'hidden';
-                               } else {
-                                       inputs[0].style.visibility = 'visible';
-                               }
-                               if (dli) {
-                                       inputs[1].style.visibility = 'hidden';
-                               } else {
-                                       inputs[1].style.visibility = 'visible';
-                               }
-                               lis[i].className = "";
-                       }
-               }
-       }
-       return true;
-}
-
-// page history stuff
-// attach event handlers to the input elements on history page
-function histrowinit() {
-       var hf = document.getElementById('pagehistory');
-       if (!hf) {
-               return;
-       }
-       var lis = hf.getElementsByTagName('li');
-       for (var i = 0; i < lis.length; i++) {
-               var inputs = historyRadios(lis[i]);
-               if (inputs[0] && inputs[1]) {
-                       inputs[0].onclick = diffcheck;
-                       inputs[1].onclick = diffcheck;
-               }
-       }
-       diffcheck();
-}
-
-// generate toc from prefs form, fold sections
-// XXX: needs testing on IE/Mac and safari
-// more comments to follow
-function tabbedprefs() {
-       var prefform = document.getElementById('preferences');
-       if (!prefform || !document.createElement) {
-               return;
-       }
-       if (prefform.nodeName.toLowerCase() == 'a') {
-               return; // Occasional IE problem
-       }
-       prefform.className = prefform.className + 'jsprefs';
-       var sections = [];
-       var children = prefform.childNodes;
-       var seci = 0;
-       for (var i = 0; i < children.length; i++) {
-               if (children[i].nodeName.toLowerCase() == 'fieldset') {
-                       children[i].id = 'prefsection-' + seci;
-                       children[i].className = 'prefsection';
-                       if (is_opera || is_khtml) {
-                               children[i].className = 'prefsection operaprefsection';
-                       }
-                       var legends = children[i].getElementsByTagName('legend');
-                       sections[seci] = {};
-                       legends[0].className = 'mainLegend';
-                       if (legends[0] && legends[0].firstChild.nodeValue) {
-                               sections[seci].text = legends[0].firstChild.nodeValue;
-                       } else {
-                               sections[seci].text = '# ' + seci;
-                       }
-                       sections[seci].secid = children[i].id;
-                       seci++;
-                       if (sections.length != 1) {
-                               children[i].style.display = 'none';
-                       } else {
-                               var selectedid = children[i].id;
-                       }
-               }
-       }
-       var toc = document.createElement('ul');
-       toc.id = 'preftoc';
-       toc.selectedid = selectedid;
-       for (i = 0; i < sections.length; i++) {
-               var li = document.createElement('li');
-               if (i === 0) {
-                       li.className = 'selected';
-               }
-               var a = document.createElement('a');
-               a.href = '#' + sections[i].secid;
-               a.onmousedown = a.onclick = uncoversection;
-               a.appendChild(document.createTextNode(sections[i].text));
-               a.secid = sections[i].secid;
-               li.appendChild(a);
-               toc.appendChild(li);
-       }
-       prefform.parentNode.insertBefore(toc, prefform.parentNode.childNodes[0]);
-       document.getElementById('prefsubmit').id = 'prefcontrol';
-}
-
-function uncoversection() {
-       var oldsecid = this.parentNode.parentNode.selectedid;
-       var newsec = document.getElementById(this.secid);
-       if (oldsecid != this.secid) {
-               var ul = document.getElementById('preftoc');
-               document.getElementById(oldsecid).style.display = 'none';
-               newsec.style.display = 'block';
-               ul.selectedid = this.secid;
-               var lis = ul.getElementsByTagName('li');
-               for (var i = 0; i< lis.length; i++) {
-                       lis[i].className = '';
-               }
-               this.parentNode.className = 'selected';
-       }
-       return false;
-}
-
-// Timezone stuff
-// tz in format [+-]HHMM
-function checkTimezone(tz, msg) {
-       var localclock = new Date();
-       // returns negative offset from GMT in minutes
-       var tzRaw = localclock.getTimezoneOffset();
-       var tzHour = Math.floor( Math.abs(tzRaw) / 60);
-       var tzMin = Math.abs(tzRaw) % 60;
-       var tzString = ((tzRaw >= 0) ? "-" : "+") + ((tzHour < 10) ? "0" : "") + tzHour + ((tzMin < 10) ? "0" : "") + tzMin;
-       if (tz != tzString) {
-               var junk = msg.split('$1');
-               document.write(junk[0] + "UTC" + tzString + junk[1]);
-       }
-}
-
-function unhidetzbutton() {
-       var tzb = document.getElementById('guesstimezonebutton');
-       if (tzb) {
-               tzb.style.display = 'inline';
-       }
-}
-
-// in [-]HH:MM format...
-// won't yet work with non-even tzs
-function fetchTimezone() {
-       // FIXME: work around Safari bug
-       var localclock = new Date();
-       // returns negative offset from GMT in minutes
-       var tzRaw = localclock.getTimezoneOffset();
-       var tzHour = Math.floor( Math.abs(tzRaw) / 60);
-       var tzMin = Math.abs(tzRaw) % 60;
-       var tzString = ((tzRaw >= 0) ? "-" : "") + ((tzHour < 10) ? "0" : "") + tzHour +
-               ":" + ((tzMin < 10) ? "0" : "") + tzMin;
-       return tzString;
-}
-
-function guessTimezone(box) {
-       document.getElementsByName("wpHourDiff")[0].value = fetchTimezone();
-}
-
 function showTocToggle() {
        if (document.createTextNode) {
                // Uses DOM calls to avoid document.write + XHTML issues
@@ -373,7 +180,8 @@ function mwSetupToolbar() {
 
        // Don't generate buttons for browsers which don't fully
        // support it.
-       if (!document.selection && textbox.selectionStart === null) {
+       if (!(document.selection && document.selection.createRange)
+               && textbox.selectionStart === null) {
                return false;
        }
 
@@ -408,7 +216,6 @@ function escapeQuotesHTML(text) {
 
 // apply tagOpen/tagClose to selection in textarea,
 // use sampleText instead of selection if there is none
-// copied and adapted from phpBB
 function insertTags(tagOpen, tagClose, sampleText) {
        var txtarea;
        if (document.editform) {
@@ -418,62 +225,72 @@ function insertTags(tagOpen, tagClose, sampleText) {
                var areas = document.getElementsByTagName('textarea');
                txtarea = areas[0];
        }
+       var selText, isSample = false;
 
-       // IE
-       if (document.selection  && !is_gecko) {
-               var theSelection = document.selection.createRange().text;
-               if (!theSelection) {
-                       theSelection=sampleText;
-               }
-               txtarea.focus();
-               if (theSelection.charAt(theSelection.length - 1) == " ") { // exclude ending space char, if any
-                       theSelection = theSelection.substring(0, theSelection.length - 1);
-                       document.selection.createRange().text = tagOpen + theSelection + tagClose + " ";
-               } else {
-                       document.selection.createRange().text = tagOpen + theSelection + tagClose;
-               }
+       if (document.selection  && document.selection.createRange) { // IE/Opera
 
-       // Mozilla
-       } else if(txtarea.selectionStart || txtarea.selectionStart == '0') {
-               var replaced = false;
+               //save window scroll position
+               if (document.documentElement && document.documentElement.scrollTop)
+                       var winScroll = document.documentElement.scrollTop
+               else if (document.body)
+                       var winScroll = document.body.scrollTop;
+               //get current selection  
+               txtarea.focus();
+               var range = document.selection.createRange();
+               selText = range.text;
+               //insert tags
+               checkSelectedText();
+               range.text = tagOpen + selText + tagClose;
+               //mark sample text as selected
+               if (isSample && range.moveStart) {
+                       if (window.opera)
+                               tagClose = tagClose.replace(/\n/g,'');
+                       range.moveStart('character', - tagClose.length - selText.length); 
+                       range.moveEnd('character', - tagClose.length); 
+               }
+               range.select();   
+               //restore window scroll position
+               if (document.documentElement && document.documentElement.scrollTop)
+                       document.documentElement.scrollTop = winScroll
+               else if (document.body)
+                       document.body.scrollTop = winScroll;
+
+       } else if (txtarea.selectionStart || txtarea.selectionStart == '0') { // Mozilla
+
+               //save textarea scroll position
+               var textScroll = txtarea.scrollTop;
+               //get current selection
+               txtarea.focus();
                var startPos = txtarea.selectionStart;
                var endPos = txtarea.selectionEnd;
-               if (endPos-startPos) {
-                       replaced = true;
-               }
-               var scrollTop = txtarea.scrollTop;
-               var myText = (txtarea.value).substring(startPos, endPos);
-               if (!myText) {
-                       myText=sampleText;
-               }
-               var subst;
-               if (myText.charAt(myText.length - 1) == " ") { // exclude ending space char, if any
-                       subst = tagOpen + myText.substring(0, (myText.length - 1)) + tagClose + " ";
-               } else {
-                       subst = tagOpen + myText + tagClose;
-               }
-               txtarea.value = txtarea.value.substring(0, startPos) + subst +
-                       txtarea.value.substring(endPos, txtarea.value.length);
-               txtarea.focus();
+               selText = txtarea.value.substring(startPos, endPos);
+               //insert tags
+               checkSelectedText();
+               txtarea.value = txtarea.value.substring(0, startPos)
+                       + tagOpen + selText + tagClose
+                       + txtarea.value.substring(endPos, txtarea.value.length);
                //set new selection
-               if (replaced) {
-                       var cPos = startPos+(tagOpen.length+myText.length+tagClose.length);
-                       txtarea.selectionStart = cPos;
-                       txtarea.selectionEnd = cPos;
+               if (isSample) {
+                       txtarea.selectionStart = startPos + tagOpen.length;
+                       txtarea.selectionEnd = startPos + tagOpen.length + selText.length;
                } else {
-                       txtarea.selectionStart = startPos+tagOpen.length;
-                       txtarea.selectionEnd = startPos+tagOpen.length+myText.length;
+                       txtarea.selectionStart = startPos + tagOpen.length + selText.length + tagClose.length;
+                       txtarea.selectionEnd = txtarea.selectionStart;
                }
-               txtarea.scrollTop = scrollTop;
+               //restore textarea scroll position
+               txtarea.scrollTop = textScroll;
+       } 
 
-       // All other browsers get no toolbar.
-       // There was previously support for a crippled "help"
-       // bar, but that caused more problems than it solved.
-       }
-       // reposition cursor if possible
-       if (txtarea.createTextRange) {
-               txtarea.caretPos = document.selection.createRange().duplicate();
+       function checkSelectedText(){
+               if (!selText) {
+                       selText = sampleText;
+                       isSample = true;
+               } else if (selText.charAt(selText.length - 1) == ' ') { //exclude ending space char
+                       selText = selText.substring(0, selText.length - 1);
+                       tagClose += ' '
+               } 
        }
+
 }
 
 
@@ -487,7 +304,7 @@ if (is_opera) {
           || navigator.userAgent.toLowerCase().indexOf('mac') != -1
           || navigator.userAgent.toLowerCase().indexOf('konqueror') != -1 ) {
        tooltipAccessKeyPrefix = 'ctrl-';
-} else if (is_ff2_x11 || is_ff2_win) {
+} else if (is_ff2) {
        tooltipAccessKeyPrefix = 'alt-shift-';
 }
 var tooltipAccessKeyRegexp = /\[(ctrl-)?(alt-)?(shift-)?(esc-)?.\]$/;
@@ -644,53 +461,6 @@ function akeytt( doId ) {
        }
 }
 
-function setupRightClickEdit() {
-       if (document.getElementsByTagName) {
-               var spans = document.getElementsByTagName('span');
-               for (var i = 0; i < spans.length; i++) {
-                       var el = spans[i];
-                       if(el.className == 'editsection') {
-                               addRightClickEditHandler(el);
-                       }
-               }
-       }
-}
-
-function addRightClickEditHandler(el) {
-       for (var i = 0; i < el.childNodes.length; i++) {
-               var link = el.childNodes[i];
-               if (link.nodeType == 1 && link.nodeName.toLowerCase() == 'a') {
-                       var editHref = link.getAttribute('href');
-                       // find the enclosing (parent) header
-                       var prev = el.parentNode;
-                       if (prev && prev.nodeType == 1 &&
-                       prev.nodeName.match(/^[Hh][1-6]$/)) {
-                               prev.oncontextmenu = function(e) {
-                                       if (!e) { e = window.event; }
-                                       // e is now the event in all browsers
-                                       var targ;
-                                       if (e.target) { targ = e.target; }
-                                       else if (e.srcElement) { targ = e.srcElement; }
-                                       if (targ.nodeType == 3) { // defeat Safari bug
-                                               targ = targ.parentNode;
-                                       }
-                                       // targ is now the target element
-
-                                       // We don't want to deprive the noble reader of a context menu
-                                       // for the section edit link, do we?  (Might want to extend this
-                                       // to all <a>'s?)
-                                       if (targ.nodeName.toLowerCase() != 'a'
-                                       || targ.parentNode.className != 'editsection') {
-                                               document.location = editHref;
-                                               return false;
-                                       }
-                                       return true;
-                               };
-                       }
-               }
-       }
-}
-
 var checkboxes;
 var lastCheckbox;
 
@@ -712,8 +482,10 @@ function addCheckboxClickHandlers(inputs, start) {
                var cb = inputs[i];
                if ( !cb.type || cb.type.toLowerCase() != 'checkbox' )
                        continue;
-               cb.index = checkboxes.push(cb) - 1;
-               cb.onmouseup = checkboxMouseupHandler;
+               var end = checkboxes.length;
+               checkboxes[end] = cb;
+               cb.index = end;
+               cb.onclick = checkboxClickHandler;
        }
 
        if ( finish < inputs.length ) {
@@ -723,7 +495,7 @@ function addCheckboxClickHandlers(inputs, start) {
        }
 }
 
-function checkboxMouseupHandler(e) {
+function checkboxClickHandler(e) {
        if (typeof e == 'undefined') {
                e = window.event;
        }
@@ -731,10 +503,7 @@ function checkboxMouseupHandler(e) {
                lastCheckbox = this.index;
                return true;
        }
-       var endState = !this.checked;
-       if ( is_opera ) { // opera has already toggled the checkbox by this point
-               endState = !endState;
-       }
+       var endState = this.checked;
        var start, finish;
        if ( this.index < lastCheckbox ) {
                start = this.index + 1;
@@ -766,131 +535,23 @@ function toggle_element_check(ida,idb) {
        document.getElementById(idb).checked=false;
 }
 
-function fillDestFilename(id) {
-       if (!document.getElementById) {
-               return;
-       }
-       var path = document.getElementById(id).value;
-       // Find trailing part
-       var slash = path.lastIndexOf('/');
-       var backslash = path.lastIndexOf('\\');
-       var fname;
-       if (slash == -1 && backslash == -1) {
-               fname = path;
-       } else if (slash > backslash) {
-               fname = path.substring(slash+1, 10000);
-       } else {
-               fname = path.substring(backslash+1, 10000);
-       }
-
-       // Capitalise first letter and replace spaces by underscores
-       fname = fname.charAt(0).toUpperCase().concat(fname.substring(1,10000)).replace(/ /g, '_');
-
-       // Output result
-       var destFile = document.getElementById('wpDestFile');
-       if (destFile) {
-               destFile.value = fname;
-       }
-}
-
+/**
+ * Restore the edit box scroll state following a preview operation,
+ * and set up a form submission handler to remember this state
+ */
 function scrollEditBox() {
-       var editBoxEl = document.getElementById("wpTextbox1");
-       var scrollTopEl = document.getElementById("wpScrolltop");
-       var editFormEl = document.getElementById("editform");
-
-       if (editBoxEl && scrollTopEl) {
-               if (scrollTopEl.value) { editBoxEl.scrollTop = scrollTopEl.value; }
-               editFormEl.onsubmit = function() {
-                       document.getElementById("wpScrolltop").value = document.getElementById("wpTextbox1").scrollTop;
-               };
+       var editBox = document.getElementById( 'wpTextbox1' );
+       var scrollTop = document.getElementById( 'wpScrolltop' );
+       var editForm = document.getElementById( 'editform' );
+       if( editBox && scrollTop ) {
+               if( scrollTop.value )
+                       editBox.scrollTop = scrollTop.value;
+               addHandler( editForm, 'submit', function() {
+                       document.getElementById( 'wpScrolltop' ).value = document.getElementById( 'wpTextbox1' ).scrollTop; 
+               } );
        }
 }
-
-hookEvent("load", scrollEditBox);
-
-var allmessages_nodelist = false;
-var allmessages_modified = false;
-var allmessages_timeout = false;
-var allmessages_running = false;
-
-function allmessagesmodified() {
-       allmessages_modified = !allmessages_modified;
-       allmessagesfilter();
-}
-
-function allmessagesfilter() {
-       if ( allmessages_timeout )
-               window.clearTimeout( allmessages_timeout );
-
-       if ( !allmessages_running )
-               allmessages_timeout = window.setTimeout( 'allmessagesfilter_do();', 500 );
-}
-
-function allmessagesfilter_do() {
-       if ( !allmessages_nodelist )
-               return;
-
-       var text = document.getElementById('allmessagesinput').value;
-       var nodef = allmessages_modified;
-
-       allmessages_running = true;
-
-       for ( var name in allmessages_nodelist ) {
-               var nodes = allmessages_nodelist[name];
-               var display = ( name.indexOf( text ) == -1 ? 'none' : '' );
-
-               for ( var i = 0; i < nodes.length; i++)
-                       nodes[i].style.display =
-                               ( nodes[i].className == "def" && nodef
-                                 ? 'none' : display );
-       }
-
-       if ( text != document.getElementById('allmessagesinput').value ||
-            nodef != allmessages_modified )
-               allmessagesfilter_do();  // repeat
-
-       allmessages_running = false;
-}
-
-function allmessagesfilter_init() {
-       if ( allmessages_nodelist )
-               return;
-
-       var nodelist = new Array();
-       var templist = new Array();
-
-       var table = document.getElementById('allmessagestable');
-       if ( !table ) return;
-
-       var rows = document.getElementsByTagName('tr');
-       for ( var i = 0; i < rows.length; i++ ) {
-               var id = rows[i].getAttribute('id')
-               if ( id && id.substring(0,16) != 'sp-allmessages-r' ) continue;
-               templist[ id ] = rows[i];
-       }
-
-       var spans = table.getElementsByTagName('span');
-       for ( var i = 0; i < spans.length; i++ ) {
-               var id = spans[i].getAttribute('id')
-               if ( id && id.substring(0,17) != 'sp-allmessages-i-' ) continue;
-               if ( !spans[i].firstChild || spans[i].firstChild.nodeType != 3 ) continue;
-
-               var nodes = new Array();
-               var row1 = templist[ id.replace('i', 'r1') ];
-               var row2 = templist[ id.replace('i', 'r2') ];
-
-               if ( row1 ) nodes[nodes.length] = row1;
-               if ( row2 ) nodes[nodes.length] = row2;
-               nodelist[ spans[i].firstChild.nodeValue ] = nodes;
-       }
-
-       var k = document.getElementById('allmessagesfilter');
-       if (k) { k.style.display = ''; }
-
-       allmessages_nodelist = nodelist;
-}
-
-hookEvent( "load", allmessagesfilter_init );
+hookEvent( 'load', scrollEditBox );
 
 /*
        Written by Jonathan Snook, http://www.snook.ca/jonathan
@@ -904,11 +565,13 @@ function getElementsByClassName(oElm, strTagName, oClassNames){
        var arrRegExpClassNames = new Array();
        if(typeof oClassNames == "object"){
                for(var i=0; i<oClassNames.length; i++){
-                       arrRegExpClassNames.push(new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)"));
+                       arrRegExpClassNames[arrRegExpClassNames.length] =
+                               new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)");
                }
        }
        else{
-               arrRegExpClassNames.push(new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)"));
+               arrRegExpClassNames[arrRegExpClassNames.length] =
+                       new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)");
        }
        var oElement;
        var bMatchesAll;
@@ -922,7 +585,7 @@ function getElementsByClassName(oElm, strTagName, oClassNames){
                        }
                }
                if(bMatchesAll){
-                       arrReturnElements.push(oElement);
+                       arrReturnElements[arrReturnElements.length] = oElement;
                }
        }
        return (arrReturnElements)
@@ -1009,7 +672,8 @@ function ts_makeSortable(table) {
 function ts_getInnerText(el) {
        if (typeof el == "string") return el;
        if (typeof el == "undefined") { return el };
-       if (el.innerText) return el.innerText;  // Not needed but it is faster
+       if (el.textContent) return el.textContent; // not needed but it is faster
+       if (el.innerText) return el.innerText;     // IE doesn't have textContent
        var str = "";
 
        var cs = el.childNodes;
@@ -1155,7 +819,7 @@ function ts_dateToSortKey(date) {
 
 function ts_parseFloat(num) {
        if (!num) return 0;
-       num = parseFloat(num.replace(/,/, ""));
+       num = parseFloat(num.replace(/,/g, ""));
        return (isNaN(num) ? 0 : num);
 }
 
@@ -1260,6 +924,36 @@ function jsMsg( message, className ) {
        return true;
 }
 
+/**
+ * Inject a cute little progress spinner after the specified element
+ *
+ * @param element Element to inject after
+ * @param id Identifier string (for use with removeSpinner(), below)
+ */
+function injectSpinner( element, id ) {
+       var spinner = document.createElement( "img" );
+       spinner.id = "mw-spinner-" + id;
+       spinner.src = stylepath + "/common/images/spinner.gif";
+       spinner.alt = spinner.title = "...";
+       if( element.nextSibling ) {
+               element.parentNode.insertBefore( spinner, element.nextSibling );
+       } else {
+               element.parentNode.appendChild( spinner );
+       }
+}
+
+/**
+ * Remove a progress spinner added with injectSpinner()
+ *
+ * @param id Identifier string
+ */
+function removeSpinner( id ) {
+       var spinner = document.getElementById( "mw-spinner-" + id );
+       if( spinner ) {
+               spinner.parentNode.removeChild( spinner );
+       }
+}
+
 function runOnloadHook() {
        // don't run anything below this for non-dom browsers
        if (doneOnloadHook || !(document.getElementById && document.getElementsByTagName)) {
@@ -1270,9 +964,6 @@ function runOnloadHook() {
        // might cause the function to terminate prematurely
        doneOnloadHook = true;
 
-       histrowinit();
-       unhidetzbutton();
-       tabbedprefs();
        updateTooltipAccessKeys( null );
        akeytt( null );
        scrollEditBox();
@@ -1285,8 +976,31 @@ function runOnloadHook() {
        }
 }
 
+/**
+ * Add an event handler to an element
+ *
+ * @param Element element Element to add handler to
+ * @param String attach Event to attach to
+ * @param callable handler Event handler callback
+ */
+function addHandler( element, attach, handler ) {
+       if( window.addEventListener ) {
+               element.addEventListener( attach, handler, false );
+       } else if( window.attachEvent ) {
+               element.attachEvent( 'on' + attach, handler );
+       }
+}
+
+/**
+ * Add a click event handler to an element
+ *
+ * @param Element element Element to add handler to
+ * @param callable handler Event handler callback
+ */
+function addClickHandler( element, handler ) {
+       addHandler( element, 'click', handler );
+}
 //note: all skins should call runOnloadHook() at the end of html output,
 //      so the below should be redundant. It's there just in case.
 hookEvent("load", runOnloadHook);
-
 hookEvent("load", mwSetupToolbar);