/* - kupuhelpers.js - */
// http://artesliberales.spbu.ru/portal_javascripts/kupuhelpers.js?original=1
function newDocumentElement(doc,tagName,args){if(_SARISSA_IS_IE){var attrs=[tagName];for(var a=1;a<args.length;a++){var arg=args[a];if(arg.length===undefined){for(var attr in arg){var val=arg[attr];if(val===true) val=attr;if(val===false) continue;if(attr=='className') attr='class';attrs.push(attr+'="'+val.replace(/"/,'&quot;')+'"')}}};tagName="<"+attrs.join(' ')+"></"+tagName+">"}
var node=doc.createElement(tagName);for(var a=1;a<args.length;a++){var arg=args[a];if(arg.length===undefined){if(!_SARISSA_IS_IE){for(var attr in arg){if (/^on/.test(attr)){node.setAttribute(attr,arg[attr])} else{node[attr]=arg[attr]}}}} else{for(var i=0;i<arg.length;i++){if(typeof(arg[i])=='string'){node.appendChild(doc.createTextNode(arg[i]))} else{node.appendChild(arg[i])}}}}
return node}
function newElement(tagName){return newDocumentElement(document,tagName,arguments)}
function addEventHandler(element,event,method,context){var wrappedmethod=new ContextFixer(method,context);var args=[null,null];for(var i=4;i<arguments.length;i++){args.push(arguments[i])};wrappedmethod.args=args;try{if(element.addEventListener){element.addEventListener(event,wrappedmethod.execute,false)} else if(element.attachEvent){element.attachEvent("on"+event,wrappedmethod.execute)} else{throw _("Unsupported browser!")};return wrappedmethod.execute} catch(e){var msg=_('exception ${message} while registering an event handler '+'for element ${element}, event ${event}, method ${method}, ',{'message':e.message,'element':element,'event':event,'method':method});if(e.stack){msg+=_('\r\ntraceback:\r\n${traceback}',{'traceback':e.stack})};alert(msg)}};
function removeEventHandler(element,event,method){if(element.removeEventListener){element.removeEventListener(event,method,false)} else if(element.detachEvent){element.detachEvent("on"+event,method)} else{throw _("Unsupported browser!")}};
function getFromSelector(selector){var match=/#(\S+)\s*([^ .]+)\.(\S+)/.exec(selector);if(!match){return window.document.getElementById(selector)}
var id=match[1],tag=match[2],className=match[3];var base=window.document.getElementById(id);return getBaseTagClass(base,tag,className)}
function getBaseTagClass(base,tag,className){var classPat=new RegExp('\\b'+className+'\\b');var nodes=base.getElementsByTagName(tag);for(var i=0;i<nodes.length;i++){if(classPat.test(nodes[i].className)){return nodes[i]}}
return null}
function openPopup(url,width,height,properties){var allprops='width='+width+',height='+height;if(properties){allprops+=','+properties};var win=window.open(url,'someWindow',allprops);return win};
function selectSelectItem(select,item){for(var i=0;i<select.options.length;i++){var option=select.options[i];if(option.value==item){select.selectedIndex=i;return}}
select.selectedIndex=0};
function parentWithStyleChecker(tagnames,style,stylevalue,command){return function(selNode,button,editor,event){if(command){var result=editor.getInnerDocument().queryCommandState(command);if(result||editor.getSelection().getContentLength()==0){return result}};var currnode=selNode;while(currnode&&currnode.style){for(var i=0;i<tagnames.length;i++){if(currnode.nodeName.toLowerCase()==tagnames[i].toLowerCase()){return true}};if(style&&currnode.style[style]==stylevalue){return true};currnode=currnode.parentNode};return false}};
function _load_dict_helper(element){var dict={};for(var i=0;i<element.childNodes.length;i++){var child=element.childNodes[i];if(child.nodeType==1){var value='';for(var j=0;j<child.childNodes.length;j++){if(child.childNodes[j].nodeType==1){value=_load_dict_helper(child);break} else if(typeof(value)==typeof('')){value+=child.childNodes[j].nodeValue}};if(typeof(value)==typeof('')&&!isNaN(parseInt(value))&&parseInt(value).toString().length==value.length){value=parseInt(value)} else if(typeof(value)!=typeof('')){if(value.length==1){value=value[0]}};var name=child.nodeName.toLowerCase();var attr=child.attributes[0];if(attr&&!(/^([^_]|_moz)/.test(attr.name))){name+=attr.name.toLowerCase()}
if(dict[name]!=undefined){if(!dict[name].push){dict[name]=[dict[name],value]} else{dict[name].push(value)}} else{dict[name]=value}}};return dict};
function loadDictFromXML(document,islandid){var dict={};var confnode=getFromSelector(islandid);var root=null;for(var i=0;i<confnode.childNodes.length;i++){if(confnode.childNodes[i].nodeType==1){root=confnode.childNodes[i];break}};if(!root){throw(_('No element found in the config island!'))};dict=_load_dict_helper(root);return dict};
function NodeIterator(node,continueatnextsibling){this.node=node;this.current=node;this.terminator=continueatnextsibling?null:node;this.next=function(){if(this.current===false){this.current=this.node};var current=this.current;if(current.firstChild){this.current=current.firstChild} else{while(current!==this.terminator&&!current.nextSibling){current=current.parentNode};if(current===this.terminator){this.current=false} else{this.current=current.nextSibling}};return this.current};this.reset=function(){this.current=this.node};this.setCurrent=function(node){this.current=node}};
function BaseSelection(){this.splitNodeAtSelection=function(node){if(!this.selectionInsideNode(node)){throw(_('Selection not inside the node!'))};var doc=this.document.getDocument();var br=doc.createElement('br');br.setAttribute('node_splitter','indeed');this.replaceWithNode(br);var clone=node.cloneNode(true);var iterator=new NodeIterator(node);var currnode=iterator.next();var remove=false;while(currnode){if(currnode.nodeName.toLowerCase()=='br'&&currnode.getAttribute('node_splitter')=='indeed'){remove=true};var lastnode=currnode;currnode=iterator.next();if(remove&&(lastnode.nodeType==3||!lastnode.hasChildNodes())){lastnode.parentNode.removeChild(lastnode)}};var iterator=new NodeIterator(clone);var currnode=iterator.next();var remove=true;while(currnode){var lastnode=currnode;currnode=iterator.next();if(lastnode.nodeName.toLowerCase()=='br'&&lastnode.getAttribute('node_splitter')=='indeed'){lastnode.parentNode.removeChild(lastnode);remove=false};if(remove&&(lastnode.nodeType==3||!lastnode.hasChildNodes())){lastnode.parentNode.removeChild(lastnode)}};if(node.nextSibling){node.parentNode.insertBefore(clone,node.nextSibling)} else{node.parentNode.appendChild(clone)};this.reset();return clone};this.selectionInsideNode=function(node){var currnode=this.parentElement();while(currnode){if(currnode==node){return true};currnode=currnode.parentNode};return false}};
function MozillaSelection(document){var win=document.getWindow();this.document=document;this.selection=win.getSelection();this._createRange=function(){return this.document.getDocument().createRange()};this.selectNodeContents=function(node){if(node&&node.parentNode){var sel=this.selection;sel.removeAllRanges();if(sel.selectAllChildren&&node.nodeType==1){sel.selectAllChildren(node)} else{var range=this._createRange();try{range.selectNode(node)} catch(e){range.selectNodeContents(node)};sel.addRange(range)}}};this.collapse=function(collapseToEnd){try{if(!this.selection) this.reset();if(!collapseToEnd){this.selection.collapseToStart()} else{this.selection.collapseToEnd()}} catch(e){}};this.replaceWithNode=function(node,selectAfterPlace){var range=this.selection.getRangeAt(0);this.selection.removeAllRanges();range.deleteContents();var container=range.startContainer;var pos=range.startOffset;var range=this._createRange();if(container.nodeType==3&&node.nodeType==3){container.insertData(pos,node.nodeValue);range.setEnd(container,pos+node.length);range.setStart(container,pos+node.length)} else{var afterNode;if(container.nodeType==3){var textNode=container;var container=textNode.parentNode;var text=textNode.nodeValue;var textBefore=text.substr(0,pos);var textAfter=text.substr(pos);var beforeNode=this.document.getDocument().createTextNode(textBefore);afterNode=this.document.getDocument().createTextNode(textAfter);container.insertBefore(afterNode,textNode);container.insertBefore(node,afterNode);container.insertBefore(beforeNode,node);container.removeChild(textNode)} else{afterNode=container.childNodes[pos];if(afterNode){container.insertBefore(node,afterNode)} else{container.appendChild(node);afterNode=container.nextSibling}}
range.setEndAfter(node);range.collapse(false)}
if(selectAfterPlace){this.selection=win.getSelection();this.selection.addRange(range);if(selectAfterPlace.nodeType==1){this.selection.selectAllChildren(selectAfterPlace)} else{if(node.hasChildNodes()){this.selection.selectAllChildren(node)} else{var range=this.selection.getRangeAt(0).cloneRange();this.selection.removeAllRanges();range.selectNode(node);this.selection.addRange(range)}};win.focus()};return node};this.startOffset=function(){var startnode=this.startNode();var startnodeoffset=0;if(startnode==this.selection.anchorNode){startnodeoffset=this.selection.anchorOffset} else{startnodeoffset=this.selection.focusOffset};var parentnode=this.parentElement();if(startnode==parentnode){return startnodeoffset};var currnode=parentnode.firstChild;var offset=0;if(!currnode){if(startnodeoffset!=0){throw(_('Start node offset detected in a node without children!'))};return 0};while(currnode!=startnode){if(currnode.nodeType==3){offset+=currnode.nodeValue.length};while(!currnode.nextSibling){currnode=currnode.parentNode};currnode=currnode.nextSibling};return offset+startnodeoffset};this.startNode=function(){var anode=this.selection.anchorNode;var aoffset=this.selection.anchorOffset;var onode=this.selection.focusNode;var ooffset=this.selection.focusOffset;var arange=this._createRange();arange.setStart(anode,aoffset);var orange=this._createRange();orange.setStart(onode,ooffset);return arange.compareBoundaryPoints('START_TO_START',orange)<=0?anode:onode};this.endOffset=function(){var endnode=this.endNode();var endnodeoffset=0;if(endnode==this.selection.focusNode){endnodeoffset=this.selection.focusOffset} else{endnodeoffset=this.selection.anchorOffset};var parentnode=this.parentElement();var currnode=parentnode.firstChild;var offset=0;if(parentnode==endnode){for(var i=0;i<parentnode.childNodes.length;i++){var child=parentnode.childNodes[i];if(i==endnodeoffset){return offset};if(child.nodeType==3){offset+=child.nodeValue.length}}};if(!currnode){if(endnodeoffset!=0){var msg=_('End node offset detected in a node without '+'children!');alert(msg);throw(msg)};return 0};while(currnode&&currnode!=endnode){if(currnode.nodeType==3){offset+=currnode.nodeValue.length};currnode=currnode.nextSibling};return offset+endnodeoffset};this.endNode=function(){var anode=this.selection.anchorNode;var aoffset=this.selection.anchorOffset;var onode=this.selection.focusNode;var ooffset=this.selection.focusOffset;var arange=this._createRange();arange.setStart(anode,aoffset);var orange=this._createRange();orange.setStart(onode,ooffset);return arange.compareBoundaryPoints('START_TO_START',orange)>0?anode:onode};this.getContentLength=function(){return this.selection.toString().length};this.cutChunk=function(startOffset,endOffset){var range=this.selection.getRangeAt(0);var offsetParent=this.parentElement();var currnode=offsetParent.firstChild;var curroffset=0;var startparent=null;var startparentoffset=0;while(currnode){if(currnode.nodeType==3){var nodelength=currnode.nodeValue.length;if(curroffset+nodelength<startOffset){curroffset+=nodelength} else{startparent=currnode;startparentoffset=startOffset-curroffset;break}};currnode=currnode.nextSibling};var currnode=offsetParent.firstChild;var curroffset=0;var endparent=null;var endparentoffset=0;while(currnode){if(currnode.nodeType==3){var nodelength=currnode.nodeValue.length;if(curroffset+nodelength<endOffset){curroffset+=nodelength} else{endparent=currnode;endparentoffset=endOffset-curroffset;break}};currnode=currnode.nextSibling};if(!startparent){throw(_('Start offset out of range!'))};if(!endparent){throw(_('End offset out of range!'))};var newrange=range.cloneRange();newrange.setStart(startparent,startparentoffset);newrange.setEnd(endparent,endparentoffset);return newrange.extractContents()};this.getElementLength=function(element){var length=0;var currnode=element.firstChild;while(currnode){if(currnode.nodeType==3){length+=currnode.nodeValue.length};currnode=currnode.nextSibling};return length};this.parentElement=function(allowmulti){if(!this.selection){return null}
if(this.selection.rangeCount==0){var parent=this.document.getDocument().body;while(parent.firstChild){parent=parent.firstChild}} else{var range=this.selection.getRangeAt(0);var parent=this.parentElementOfRange(range);if(allowmulti){var numRanges=this.selection.rangeCount;for(var i=1;i<numRanges;i=i+1){var parent1=parent;var parent2=null;var range1=this._createRange();var range2=this._createRange();var parent2=this.parentElementOfRange(this.selection.getRangeAt(i));range1.selectNode(parent1);range2.selectNode(parent2);if(range1.compareBoundaryPoints(Range.START_TO_START,range2)<=0&&range1.compareBoundaryPoints(Range.END_TO_END,range2)>=0){parent=parent1} else if(range1.compareBoundaryPoints(Range.START_TO_START,range2)>=0&&range1.compareBoundaryPoints(Range.END_TO_END,range2)<=0){parent=parent2} else if(range1.compareBoundaryPoints(Range.START_TO_END,range2)<=0){var coverRange=this._createRange();coverRange.setStartBefore(parent1);coverRange.setEndAfter(parent2);parent=coverRange.commonAncestorContainer} else{var coverRange=this._createRange();coverRange.setStartBefore(parent2);coverRange.setEndAfter(parent1);parent=coverRange.commonAncestorContainer}}}};if(parent.nodeType==Node.TEXT_NODE){parent=parent.parentNode};return parent};this.parentElementOfRange=function(range){if(range.compareBoundaryPoints(Range.START_TO_END,range)<0){var startNode=range.endContainer;var startOffset=range.endOffset;var endNode=range.startContainer;var endOffset=range.startOffset;range.setStart(startNode,startOffset);range.setEnd(endNode,endOffset)}
var parent=range.commonAncestorContainer;var inv=range.compareBoundaryPoints(Range.START_TO_END,range)<0;var startNode=inv?range.endContainer:range.startContainer;var startOffset=inv?range.endOffset:range.startOffset;var endNode=inv?range.startContainer:range.endContainer;var endOffset=inv?range.startOffset:range.endOffset;var selectedChild=null;var child=parent.firstChild;while(child){if(range.intersectsNode(child)&&!(child==startNode&&startOffset==child.length)&&!(child==endNode&&endOffset==0)){if(selectedChild){selectedChild=null;break} else{selectedChild=child}} else if(selectedChild){break};child=child.nextSibling};if(selectedChild){parent=selectedChild};if(parent.nodeType==Node.TEXT_NODE){parent=parent.parentNode};return parent};this.getSelectedNode=this.parentElement;this.moveStart=function(offset){var offsetparent=this.parentElement();var startoffset=this.startOffset();var realoffset=offset+startoffset;if(realoffset>=0){var currnode=offsetparent.firstChild;var curroffset=0;while(currnode){if(currnode.nodeType==3){var nodelength=currnode.nodeValue.length;if(curroffset+nodelength>=realoffset){var range=this.selection.getRangeAt(0);range.setStart(currnode,realoffset-curroffset);return}};currnode=currnode.nextSibling};var currnode=offsetparent.nextSibling;while(currnode){if(currnode.nodeType==3){var nodelength=currnode.nodeValue.length;if(curroffset+nodelength>=realoffset){var range=this.selection.getRangeAt(0);var endnode=this.endNode();var endoffset=this.endOffset();range.setEnd(currnode,realoffset-curroffset);range.setStart(endnode,endoffset);return};curroffset+=nodelength};currnode=currnode.nextSibling};throw(_('Offset out of document range'))} else if(realoffset<0){var currnode=offsetparent.prevSibling;var curroffset=0;while(currnode){if(currnode.nodeType==3){var currlength=currnode.nodeValue.length;if(curroffset-currlength<realoffset){var range=this.selection.getRangeAt(0);range.setStart(currnode,realoffset-curroffset)};curroffset-=currlength};currnode=currnode.prevSibling}} else{var range=this.selection.getRangeAt(0);range.setStart(offsetparent,0)}};this.moveEnd=function(offset){};this.reset=function(){this.selection=win.getSelection()};this.cloneContents=function(){var range=this.selection.getRangeAt(0);return range.cloneContents()};this.containsNode=function(node){var sel=this.selection;if(sel.containsNode){return sel.containsNode(node,true)} else{for(var i=0;i<sel.rangeCount;i++){if(sel.getRangeAt(i).containsNode(node)){return true}};return false}};this.toString=function(){return this.selection.toString()};this.getRange=function(){if(this.selection&&this.selection.rangeCount>0){return this.selection.getRangeAt(0)}};this.restoreRange=function(range){var selection=this.selection;if(selection){selection.removeAllRanges();selection.addRange(range)}};if(!win.Range.prototype.intersectsNode){win.Range.prototype.intersectsNode=function(node){var nodeRange=node.ownerDocument.createRange();try{nodeRange.selectNode(node)} catch(e){nodeRange.selectNodeContents(node)};return this.compareBoundaryPoints(Range.END_TO_START,nodeRange)==-1&&this.compareBoundaryPoints(Range.START_TO_END,nodeRange)==1}};this.intersectsNode=function(node){for(var i=0;i<this.selection.rangeCount;i++){if(this.selection.getRangeAt(i).intersectsNode(node)){return true}};return false};if(!win.Range.prototype.containsNode){win.Range.prototype.containsNode=function(node){var nodeRange=node.ownerDocument.createRange();try{nodeRange.selectNode(node)} catch(e){nodeRange.selectNodeContents(node)};return this.compareBoundaryPoints(Range.START_TO_START,nodeRange)!=-1&&this.compareBoundaryPoints(Range.END_TO_END,nodeRange)!=1}}};MozillaSelection.prototype=new BaseSelection;
function IESelection(document){this.document=document;this.selection=document.getDocument().selection;var doc=document.getDocument();var range=this.selection.createRange();var parent=this.selection.type=="Text"?range.parentElement():this.selection.type=="Control"?range.parentElement:null;if(parent&&parent.ownerDocument!=doc){var range=doc.body.createTextRange();range.collapse();range.select();this.reset()}
this.selectNodeContents=function(node){var range=doc.body.createTextRange();range.moveToElementText(node);range.moveStart('character',1);range.moveStart('character',-1);range.moveEnd('character',-1);range.moveEnd('character',1);range.select();this.reset()};this.collapse=function(collapseToEnd){var range=this.selection.createRange();range.collapse(!collapseToEnd);range.select();this.reset()};this.replaceWithNode=function(newnode,selectAfterPlace){if(this.selection.type=='Control'){var range=this.selection.createRange();range.item(0).parentNode.replaceChild(newnode,range.item(0));for(var i=1;i<range.length;i++){range.item(i).parentNode.removeChild(range[i])};if(selectAfterPlace){var range=this.document.getDocument().body.createTextRange();range.moveToElementText(newnode);range.select()}} else{var document=this.document.getDocument();var range=this.selection.createRange();range.pasteHTML('<img id="kupu-tempnode">');var tempnode=document.getElementById('kupu-tempnode');tempnode.replaceNode(newnode);if(selectAfterPlace){if(selectAfterPlace.nodeType==Node.ELEMENT_NODE){range.moveToElementText(selectAfterPlace)} else{range.moveToElementText(newnode)};range.select()}};this.reset();return newnode};this.startOffset=function(){var startoffset=0;var selrange=this.selection.createRange();var parent=selrange.parentElement();var elrange=selrange.duplicate();elrange.moveToElementText(parent);var tempstart=selrange.duplicate();while(elrange.compareEndPoints('StartToStart',tempstart)<0){startoffset++;tempstart.moveStart('character',-1)};return startoffset};this.endOffset=function(){var endoffset=0;var selrange=this.selection.createRange();var parent=selrange.parentElement();var elrange=selrange.duplicate();elrange.moveToElementText(parent);var tempend=selrange.duplicate();while(elrange.compareEndPoints('EndToEnd',tempend)>0){endoffset++;tempend.moveEnd('character',1)};return endoffset};this.getContentLength=function(){if(this.selection.type=='Control'){return this.selection.createRange().length};var contentlength=0;var range=this.selection.createRange();var endrange=range.duplicate();while(range.compareEndPoints('StartToEnd',endrange)<0){range.move('character',1);contentlength++};return contentlength};this.cutChunk=function(startOffset,endOffset){var range=this.selection.createRange().duplicate();range.moveStart('character',startOffset);range.moveEnd('character',-endOffset);range.pasteHTML('')};this.getElementLength=function(element){var length=0;var range=this.selection.createRange().duplicate();range.moveToElementText(element);range.moveStart('character',1);range.moveEnd('character',-1);var endpoint=range.duplicate();endpoint.collapse(false);range.collapse();while(!range.isEqual(endpoint)){range.moveEnd('character',1);range.moveStart('character',1);length++};return length};this.parentElement=function(allowmulti){if(this.selection.type=='Control'){return this.selection.createRange().item(0)} else{return this.selection.createRange().parentElement()}};this.getSelectedNode=this.parentElement;this.moveStart=function(offset){var range=this.selection.createRange();range.moveStart('character',offset);range.select();this.reset()};this.moveEnd=function(offset){var range=this.selection.createRange();range.moveEnd('character',offset);range.select();this.reset()};this.reset=function(){this.selection=this.document.getDocument().selection};this.cloneContents=function(){var contents=this.selection.createRange().htmlText;var doc=this.document.getDocument();var docfrag=doc.createElement('span');docfrag.innerHTML=contents;return docfrag};this.containsNode=function(node){var selected=this.selection.createRange();if(this.selection.type.toLowerCase()=='text'){var range=doc.body.createTextRange();range.moveToElementText(node);if(selected.compareEndPoints('StartToEnd',range)>=0||selected.compareEndPoints('EndToStart',range)<=0){return false}
return true} else{for(var i=0;i<selected.length;i++){if(selected.item(i).contains(node)){return true}}
return false}};this.getRange=function(){return this.selection.createRange()};this.restoreRange=function(range){try{range.select();this.reset()} catch(e){}};this.toString=function(){return this.selection.createRange().text};this.intersectsNode=function(node){var noderange=doc.body.createTextRange();noderange.moveToElementText(node);var selrange=this.selection.createRange();if((selrange.compareEndPoints('StartToStart',noderange)<=0&&selrange.compareEndPoints('EndToStart',noderange)>0)||(selrange.compareEndPoints('StartToStart',noderange)>0&&selrange.compareEndPoints('StartToEnd',noderange)<0)){return true}
return false}};IESelection.prototype=new BaseSelection;
function ContextFixer(func,context){this.func=func;this.context=context;this.args=arguments;var self=this;this.execute=function(){var args=[];for(var i=0;i<self.args.length-2;i++){args.push(self.args[i+2])};for(var i=0;i<arguments.length;i++){args.push(arguments[i])};return self.func.apply(self.context,args)}};
function Timer(){this.lastid=0;this.functions={};this.registerFunction=function(object,func,timeout){var args=[];for(var i=0;i<arguments.length-3;i++){args.push(arguments[i+3])}
var id=this._createUniqueId();this.functions[id]=[object,func,args];setTimeout("timer_instance._handleFunction("+id+")",timeout)};this._handleFunction=function(id){var obj=this.functions[id][0];var func=this.functions[id][1];var args=this.functions[id][2];this.functions[id]=null;func.apply(obj,args)};this._createUniqueId=function(){while(this.lastid in this.functions&&this.functions[this.lastid]){this.lastid++;if(this.lastid>100000){this.lastid=0}}
return this.lastid}};timer_instance=new Timer();Array.prototype.contains=function(element,objectequality){for(var i=0;i<this.length;i++){if(objectequality){if(element===this[i]){return true}} else{if(element==this[i]){return true}}};return false};Array.prototype.removeDoubles=function(){var ret=[];for(var i=0;i<this.length;i++){if(!ret.contains(this[i])){ret.push(this[i])}};return ret};Array.prototype.map=function(func){for(var i=0;i<this.length;i++){this[i]=func(this[i])}};Array.prototype.reversed=function(){var ret=[];for(var i=this.length;i>0;i--){ret.push(this[i-1])};return ret};String.prototype.strip=function(){var stripspace=/^\s*([\s\S]*?)\s*$/;return stripspace.exec(this)[1]};String.prototype.reduceWhitespace=function(){return this.replace(/\s+/g,' ')};String.prototype.truncate=function(len){if(this.length<=len){return this} else{var trimmed=this.substring(0,len+1).replace(/\s[^\s]*$/,'...');return trimmed}};String.prototype.entitize=function(){var ret=this.replace(/&/g,'&amp;');ret=ret.replace(/"/g,'&quot;');ret=ret.replace(/'/g, '&apos;');ret=ret.replace(/</g,'&lt;');ret=ret.replace(/>/g,'&gt;');return ret};String.prototype.deentitize=function(){var ret=this.replace(/&gt;/g,'>');ret=ret.replace(/&lt;/g,'<');ret=ret.replace(/&apos;/g,"'");ret=ret.replace(/&quot;/g,'"');ret=ret.replace(/&amp;/g,'&');return ret};String.prototype.urldecode=function(){var reg=/%([a-fA-F0-9]{2})/g;var str=this;while(true){var match=reg.exec(str);if(!match||!match.length){break};var repl=new RegExp(match[0],'g');str=str.replace(repl,String.fromCharCode(parseInt(match[1],16)))};return str};String.prototype.centerTruncate=function(maxlength){if(this.length<=maxlength){return this};var chunklength=maxlength/2-3;var start=this.substr(0,chunklength);var end=this.substr(this.length-chunklength);return start+' ... '+end};
function debug(str,win){if(!win){win=window};var doc=win.document;var div=doc.createElement('div');div.appendChild(doc.createTextNode(str));doc.getElementsByTagName('body')[0].appendChild(div)};
function Exception(){return};UpdateStateCancelBubble=new Exception();
function kupuFixImage(image){image.removeAttribute('width');image.removeAttribute('height');var width=image.naturalWidth||image.width;var height=image.naturalHeight||image.height;if(height>width){if(height>128){width=width * 128/height;height=128}} else{if(width>128){height=height * 128/width;width=128}};if(width&&height){image.height=height;image.width=width}}
function toggleAltFieldVisibility(me){var label=document.getElementById('image-alt-label');var vis=me.checked?'none':'';if(label){label.style.display=vis;var fld=document.getElementById(label.htmlFor);if(fld){fld.style.display=vis}}}
function getOuterHtml(node){var html='<';html+=node.nodeName.toLowerCase();var attrs=node.attributes;for(var a=0;a<attrs.length;a++){var att=attrs[a];if(att.specified){html+=' '+att.nodeName.toLowerCase()+'="'+att.nodeValue+'"'}}
html+='>';if(!(/hr|br|img|input/i.test(node.nodeName))){html+=node.innerHTML;html+='<\/'+node.nodeName.toLowerCase()+'>'}
return html}