/**
* tabs.js 
* by Garrett Smith 
* http://dhtmlkitchen.com/
*-Official Edition-
* Registered To; cbc.ca
*
*/
Function.prototype.extend=function(souper){this.prototype=new souper;this.prototype.constructor=this;this.souper=souper;this.prototype.souper=souper;};ElementWrapper=function ElementWrapper(el){if(arguments.length==0)return;this.el=el;this.id=el.id;
if(!ElementWrapper.list[this.id])ElementWrapper.list[this.id]=this;};ElementWrapper.list=new function(){};ElementWrapper.getWrapper=function(id){return ElementWrapper.list[id];};EventQueue=function EventQueue(eventObj){if(arguments.length==0)return;
this.souper=EventQueue.souper;this.souper(eventObj);this.addToPool();};EventQueue.extend(ElementWrapper);EventQueue.prototype.addEventListener=function(etype,pointer){var list=this.eventHandlerList(etype.toLowerCase());return list[list.length++]=pointer;};
EventQueue.prototype.eventHandlerList=function(etype){if(!this[etype])this[etype]=new EventQueue.EventHandler(this,etype);return this[etype];};EventQueue.prototype.removeEventListener=function(etype,pointer){etype=etype.toLowerCase();var list=this[etype];
var len=list.length;if(len==0)return null;var newList=new Array(len-1);var rtn=null;for(var i=0;i<len;i++)if(list[i]!=pointer)newList[i]=list[i];else rtn=pointer;this[etype]=newList;return rtn;};EventQueue.prototype.handleEvent=function(e){
var rtn=true;for(var i=0,len=this[e].length;i<len;i++){this.tempFunction=this[e][i];if(rtn!=false)rtn=this.tempFunction();else this.tempFunction();}return rtn;};EventQueue.prototype.addToPool=function(){if(!EventQueue.list[this.id])EventQueue.list[this.id]=this;};
EventQueue.EventHandler=function EventHandler(wrapper,etype){etype=etype.toLowerCase();this.etype=etype;this.length=0;
this.id=wrapper.id;wrapper.el[etype]=new Function("return EventQueue.fireEvent('"+wrapper.id+"','"+etype+"')");};EventQueue.fireEvent=function(id,e){var wrapper=EventQueue.list[id];if(!wrapper)return false;var r=wrapper.handleEvent(e);return r;};
EventQueue.EventHandler.prototype.toString=function toString(){return this.id+"."+this.etype;};EventQueue.list=new Object;
function setCookie(name,value,path){return document.cookie=name+"="+escape(value)+";path="+path;}function getCookie(name){
var match=new RegExp(name+'\s?=\s?([^;]*);?', 'g').exec(document.cookie)||[];
return match.length>1?unescape(match[1]):null;
}function deleteCookie(name,path){document.cookie=name+"="+";path="+path+";expires=Thu,01-Jan-70 00:00:01 GMT";
return getCookie(name);}
function getFilename(){
var href=window.location.href;
var file=href.substring(href.lastIndexOf("/")+1);
return file.substring(0,file.indexOf("#")).substring(0,file.indexOf("?"));}
function getPath(){var path=location.pathname;
return path.substring(0,path.lastIndexOf("/")+1);}
if(!window.contentPane){if(!window.id)window.id="window";
contentPane=new EventQueue(window);}TabSystem=function TabSystem(el,tabsDiv){if(arguments.length==0)return;
this.souper=TabSystem.souper;
this.souper(el);
if(typeof tabsDiv.onselectstart!="undefined")tabsDiv.onselectstart=function(){return false;};
else if(typeof tabsDiv.style.MozUserSelect=="string");
tabsDiv.style.MozUserSelect="none";
this.el.onchange=function(){};
this.el.onbeforechange=function(){};
this.defaultActiveTab=null;
this.activeTab=null;
this.relatedTab=null;
this.nextTab=null;
this.tabsDiv=tabsDiv;
this.tabParams=this.getTabParams();
this.tabArray=getElementsFromClassList(this.tabsDiv,this.tabParams.tabTagName||"span",["tab","tabActive"]);
this.activeRow=null;
this.addEventListener("onbeforechange",this.setCorrectRow);
this.tabs=new Array(0);
var tslist=TabSystem.list;
if(!tslist[this.id])tslist[tslist.length]=tslist[this.id]=this;};
TabSystem.list=new Array;
TabSystem.extend(EventQueue);
TabSystem.cookie=new function(){var pt=(TabParams.cookieScope||"page").toLowerCase();
var name="activeTabs"+(pt!="page"?"":escape(getFilename()));
var path=(pt=="site"?"/":"");
this.setValue=function(value){return(pt!="none")?setCookie(name,value,path):"";};
this.getValue=function(){return(pt!="none")?getCookie(name):"";};
this.remove=function(){return(pt!="none")?deleteCookie(name,path):"";};
this.save=function(){var list=TabSystem.list;
var len=list.length;
var activeTabList=[len];
for(var i=0;i<len;i++){activeTabList[i]=list[i].activeTab;}TabSystem.cookie.setValue(activeTabList);};
contentPane.addEventListener("onunload",this.save);};
TabSystem.prototype.parentSystem=function(){var root=TabSystem.list[document.body.id];
if(root==this)return null;
var parent=findAncestorWithClass(this.el,"content");
if(parent!=null)return TabSystem.list[parent.id];
return root;};
TabSystem.prototype.getTabParams=function(){if(!this.tabParams){this.tabParams=new Object;
var parentSystem=this.parentSystem();
parentTp=(parentSystem==null)?TabParams:parentSystem.getTabParams();
for(var param in parentTp)this.tabParams[param]=parentTp[param];}return this.tabParams;};
TabSystem.prototype.setEventType=function(eventType){var params=this.getTabParams();
if(params.eventType==eventType)return;
for(var i=0,len=this.tabArray.length;i<len;i++){var tab=Tab.list[this.tabArray[i].id];
tab.removeEventListener("on"+params.eventType,tab.depress);
tab.addEventListener("on"+eventType,tab.depress);}params.eventType=eventType;};
TabSystem.prototype.setCorrectRow=function(){if(this.activeTab==null)return;
var activeRow=findAncestorWithClass(this.activeTab.el,"tabrow");
var nextRow=findAncestorWithClass(this.nextTab.el,"tabrow");
if(!activeRow||!nextRow)return;
if(nextRow.className!=activeRow.className){var tmp=activeRow.className;
activeRow.className=nextRow.className;
nextRow.className=tmp;}this.activeTab.depress();};function removeTabs(ts){ts.tabsDiv.style.display="none";
var cs=getElementsWithClass(ts.el,"div","content");
for(var i=0,len=cs.length;i<len;i++){cs[i].style.visibility='visible';
cs[i].style.display='block';}}function undoRemoveTabs(ts){ts.tabsDiv.style.display="block";
for(var i=0,len=ts.tabs.length;i<len;i++){var tab=ts.tabs[i];
if(tab!=ts.activeTab){tab.content.style.display="none";
tab.content.style.visibility="hidden";}}}tabInit=function tabInit(){if(!Browser.isSupported()||window.tabInited)return;
var tabsDivs=getElementsWithClass(document.body,"div","tabs");
if(tabsDivs.length==0){var tabsDiv0=document.getElementById("tabs");
if(tabsDiv0)tabsDivs=[tabsDiv0];
else return;}var tabToDepress;
for(var i=0,len=tabsDivs.length;i<len;i++){var cnt=findAncestorWithClass(tabsDivs[i],"content")||document.body;
if(!cnt.id)cnt.id="body";
var ts=new TabSystem(cnt,tabsDivs[i]);
for(var j=0,len2=ts.tabArray.length;j<len2;new Tab(ts.tabArray[j++],ts));}var activeTabs=TabSystem.cookie.getValue();
if(activeTabs!=null){var activeTabArray=activeTabs.split(",");
TabSystem.cookie.remove();
for(var i=0,len=activeTabArray.length;i<len;i++){var tab=Tab.list[activeTabArray[i]];
if(tab){tab.depress();}}}if(Browser.MAC_IE5){fixDocHeight=function(){document.documentElement.style.height=document.body.style.height=document.body.clientHeight+"px";};
contentPane.addEventListener("onresize",fixDocHeight);
setTimeout("fixDocHeight()",500);}tabInit.handleHashNavigation();
TabSystem.cookie.remove();
var list=TabSystem.list;
for(i=0,len=list.length;i<len;i++){var ts=list[i];
if(ts.activeTab==null&&ts.defaultActiveTab!=null)ts.defaultActiveTab.depress();
if(ts.activeTab!=null){
var activeRow=findAncestorWithClass(ts.activeTab.el,"bottomrow");
if(activeRow==null){rows=getElementsWithClass(ts.el,"div","tabrow");
if(rows.length==0)continue;
var tmp=rows[0].className;
rows[0].className=rows[rows.length-1].className;
rows[rows.length-1].className=tmp;
ts.activeRow=findAncestorWithClass(ts.activeTab.el,"bottomrow");}}}if(Browser.MOZ){var bs=document.body.style;
bs.visibility="hidden";
bs.visibility="visible";}window.tabInited=true;};
tabInit.handleHashNavigation=function(){var id=window.location.hash;
if(id){var el=document.getElementById(id.substring(1));
if(el){var contentEl;
if(hasToken(el.className,"content"))contentEl=el;
else contentEl=findAncestorWithClass(el,"content");
if(contentEl)switchTabs("tab"+contentEl.id.substring("content".length),null,false);}}};
Tab=function Tab(el,ts){if(arguments.length==0)return;
this.souper=Tab.souper;
this.souper(el);
this.content=null;
this.tabSystem=ts;
this.el.onactivate=function(){};
this.addEventListener("onmouseover",this.hoverTab);
this.addEventListener("onmouseout",this.hoverOff);
this.addEventListener("on"+this.tabSystem.getTabParams().eventType,this.depress);
if(el.tagName.toLowerCase()=="img"){this.normalsrc=el.src;
this.hoversrc=el.src.replace(extExp,TabParams.imgOverExt+"$1");
this.activesrc=el.src.replace(extExp,TabParams.imgActiveExt+"$1");}if(hasToken(el.className,"tabActive")){this.depress();
this.tabSystem.defaultActiveTab=this;}else{this.getContent().style.display="none";
this.getContent().style.visibility="hidden";}if(Browser.IE5_0)positionTabEl(this);
if(!Tab.list[this.id])Tab.list[Tab.list.length]=Tab.list[this.id]=ts.tabs[ts.tabs.length]=this;};
Tab.extend(EventQueue);
Tab.list=[];
Tab.prototype.getContent=function(){if(this.content==null){var id=this.id.substring(3);
this.content=document.getElementById("content"+id);
if(!this.content){alert("tab.id="+this.id+"\n"+"content"+id+" does not exist!");}}return this.content;};
Tab.prototype.getTabSystem=function(){return this.tabSystem;};
hoverTab=function hoverTab(){if(this.tabSystem.activeTab==this)return;
if(!hasToken(this.el.className,"tabHover"))this.el.className+=" tabHover";
if(this.hoversrc)this.el.src=this.hoversrc;};
hoverOff=function hoverOff(){if(this.tabSystem.activeTab==this)return;
removeClass(this.el,"tabHover");
if(this.normalsrc)this.el.src=this.normalsrc;};
Tab.prototype.toString=function(){return this.id;};
function resetTab(tab){removeClass(tab.el,"tabActive");
removeClass(tab.el,"tabHover");
if(tab.normalsrc)tab.el.src=tab.normalsrc;
tab.getContent().style.display="none";
tab.getContent().style.visibility="hidden";};
Tab.prototype.hoverTab=hoverTab;
Tab.prototype.hoverOff=hoverOff;
Tab.prototype.depress=function depress(e){var tabSystem=this.tabSystem;
tabSystem.nextTab=this;
if(tabSystem.activeTab==this)return false;
tabSystem.relatedTab=tabSystem.activeTab;
if(false==tabSystem.el.onbeforechange())return false;
this.el.onactivate();
if(this.el.target&&this.el.href){var frame=document.getElementsByName(this.el.target)[0];
if(frame&&(!frame.src||frame.src.indexOf(this.el.href)==-1))frame.src=this.el.href;}if(!hasToken(this.el.className,"tabActive"))this.el.className+=" tabActive";
if(this.activesrc)this.el.src=this.activesrc;
if(tabSystem.activeTab)resetTab(tabSystem.activeTab);
tabSystem.activeTab=this;
tabSystem.el.onchange();
if(tabSystem.relatedTab)tabSystem.relatedTab.getContent().style.display="none";
this.getContent().style.display="block";
this.getContent().style.visibility="inherit";
tabSystem.nextTab=null;
return false;};
function switchTabs(id,e,bReturn){if(!Browser.isSupported())return true;
try{var tab=Tab.list[id];
tab.depress(e);}catch(ex){}if(!bReturn)window.scrollTo(0,0);
return bReturn;}function positionTabEl(tab){var tabs=tab.el.parentNode;
if(tab.tagName=="IMG")return;
if(!tabs.tabOffset)tabs.tabOffset=0;
var tabWidth=Math.round(tab.el.offsetWidth*1.1)+15;
var sty=tab.el.style;
sty.left=tabs.tabOffset+"px";
sty.width=tabWidth+"px";
sty.textAlign="center";
sty.display="block";
sty.position="absolute";
tabs.tabOffset+=parseInt(tab.el.offsetWidth)+4;}