<!--

function ddtabcontent(tabinterfaceid){
	this.tabinterfaceid=tabinterfaceid
	this.tabs=document.getElementById(tabinterfaceid).getElementsByTagName("a")
	this.enabletabpersistence=true
	this.hottabspositions=[]
	this.subcontentids=[]
	this.revcontentids=[]
	this.selectedClassTarget="link"
}
ddtabcontent.getCookie=function(Name){
	var re=new RegExp(Name+"=[^;]+", "i");
	if(document.cookie.match(re))
	return document.cookie.match(re)[0].split("=")[1]
	return ""
}
ddtabcontent.setCookie=function(name, value){document.cookie=name+"="+value+";path=/"}

ddtabcontent.prototype={

expandit:function(tabid_or_position){
	this.cancelautorun()
	var tabref=""
	try{
		if(typeof tabid_or_position=="string" && document.getElementById(tabid_or_position).getAttribute("rel")) tabref=document.getElementById(tabid_or_position)
		else if(parseInt(tabid_or_position)!=NaN && this.tabs[tabid_or_position].getAttribute("rel")) tabref=this.tabs[tabid_or_position]
	}
	catch(err){alert("Invalid Tab ID or position entered!")}
	if(tabref!="") this.expandtab(tabref)
},
setpersist:function(bool){this.enabletabpersistence=bool},
setselectedClassTarget:function(objstr){this.selectedClassTarget=objstr || "link"},
getselectedClassTarget:function(tabref){return(this.selectedClassTarget==("linkparent".toLowerCase()))? tabref.parentNode : tabref},
expandtab:function(tabref){
	var subcontentid=tabref.getAttribute("rel")
	var associatedrevids=(tabref.getAttribute("rev"))? ","+tabref.getAttribute("rev").replace(/\s+/, "")+"," : ""
	this.expandsubcontent(subcontentid)
	this.expandrevcontent(associatedrevids)
	for(var i=0;i<this.tabs.length;i++){this.getselectedClassTarget(this.tabs[i]).className=(this.tabs[i].getAttribute("rel")==subcontentid)? "selected" : ""}
	if(this.enabletabpersistence) ddtabcontent.setCookie(this.tabinterfaceid, tabref.tabposition)
},
expandsubcontent:function(subcontentid){
	for(var i=0;i<this.subcontentids.length;i++){
		var subcontent=document.getElementById(this.subcontentids[i])
		subcontent.style.display=(subcontent.id==subcontentid)? "block" : "none"
	}
},
expandrevcontent:function(associatedrevids){
	var allrevids=this.revcontentids
	for(var i=0;i<allrevids.length;i++){document.getElementById(allrevids[i]).style.display=(associatedrevids.indexOf(","+allrevids[i]+",")!=-1)? "block" : "none"}
},
autorun:function(){
	var currentTabIndex=this.automode_currentTabIndex
	var hottabspositions=this.hottabspositions
	this.expandtab(this.tabs[hottabspositions[currentTabIndex]])
	this.automode_currentTabIndex=(currentTabIndex<hottabspositions.length-1)? currentTabIndex+1 : 0
},
cancelautorun:function(){if(typeof this.autoruntimer!="undefined") clearInterval(this.autoruntimer)},
init:function(automodeperiod){
	var persistedtab=ddtabcontent.getCookie(this.tabinterfaceid)
	var persisterror=true
	this.automodeperiod=automodeperiod || 0
	for(var i=0;i<this.tabs.length;i++){
		this.tabs[i].tabposition=i
		if(this.tabs[i].getAttribute("rel")){
			var tabinstance=this
			this.hottabspositions[this.hottabspositions.length]=i
			this.subcontentids[this.subcontentids.length]=this.tabs[i].getAttribute("rel")
			this.tabs[i].onclick=function(){
				tabinstance.expandtab(this)
				tabinstance.cancelautorun()
				return false
			}
			if(this.tabs[i].getAttribute("rev")){this.revcontentids=this.revcontentids.concat(this.tabs[i].getAttribute("rev").split(/\s*,\s*/))}
			if(this.enabletabpersistence && parseInt(persistedtab)==i || !this.enabletabpersistence && this.getselectedClassTarget(this.tabs[i]).className=="selected"){
				this.expandtab(this.tabs[i])
				persisterror=false
				this.automode_currentTabIndex=(i>0)? 0 : 1
			}
		}
	}
	if(persisterror) this.expandtab(this.tabs[this.hottabspositions[0]])
	if(parseInt(this.automodeperiod)>500 && this.hottabspositions.length>1){
		this.automode_currentTabIndex=this.automode_currentTabIndex || 0
		this.autoruntimer=setInterval(function(){tabinstance.autorun()}, this.automodeperiod)
	}
}
}

// -->
