/***********************************************
			* Switch Content script- ? Dynamic Drive (www.dynamicdrive.com)
			* This notice must stay intact for legal use. Last updated April 2nd, 2005.
			* Visit http://www.dynamicdrive.com/ for full source code
			***********************************************/
			
			var enablepersist="off" //Enable saving state of content structure using session cookies? (on/off)
			var collapseprevious="no" //Collapse previously open content when opening present? (yes/no)
			
			var contractsymbol='- ' //HTML for contract symbol. For image, use: <img src="whatever.gif">
			var expandsymbol='+ ' //HTML for expand symbol.
			
			
			if (document.getElementById){
			document.write('<style type="text/css">')
			document.write('.switchcontent{display:none;}')
			document.write('</style>')
			}
			
			function getElementbyClass(rootobj, classname){
			var temparray=new Array()
			var inc=0
			var rootlength=rootobj.length
			for (i=0; i<rootlength; i++){
			if (rootobj[i].className==classname)
			temparray[inc++]=rootobj[i]
			}
			return temparray
			}
			
			function sweeptoggle(ec){
			var thestate=(ec=="expand")? "block" : "none"
			var inc=0
			while (ccollect[inc]){
			ccollect[inc].style.display=thestate
			inc++
			}
			revivestatus()
			}
			
			
			function contractcontent(omit){
			var inc=0
			while (ccollect[inc]){
			if (ccollect[inc].id!=omit)
			ccollect[inc].style.display="none"
			inc++
			}
			}
			
			function expandcontent(curobj, cid){
			var spantags=curobj.getElementsByTagName("SPAN")
			var showstateobj=getElementbyClass(spantags, "showstate")
			if (ccollect.length>0){
			if (collapseprevious=="yes")
			contractcontent(cid)
			document.getElementById(cid).style.display=(document.getElementById(cid).style.display!="block")? "block" : "none"
			if (showstateobj.length>0){ //if "showstate" span exists in header
			if (collapseprevious=="no")
			showstateobj[0].innerHTML=(document.getElementById(cid).style.display=="block")? contractsymbol : expandsymbol
			else
			revivestatus()
			}
			}
			}
			
			function revivecontent(){
			contractcontent("omitnothing")
			selectedItem=getselectedItem()
			selectedComponents=selectedItem.split("|")
			for (i=0; i<selectedComponents.length-1; i++)
			document.getElementById(selectedComponents[i]).style.display="block"
			}
			
			function revivestatus(){
			var inc=0
			while (statecollect[inc]){
			if (ccollect[inc].style.display=="block")
			statecollect[inc].innerHTML=contractsymbol
			else
			statecollect[inc].innerHTML=expandsymbol
			inc++
			}
			}
			
			function get_cookie(Name) { 
			var search = Name + "="
			var returnvalue = "";
			if (document.cookie.length > 0) {
			offset = document.cookie.indexOf(search)
			if (offset != -1) { 
			offset += search.length
			end = document.cookie.indexOf(";", offset);
			if (end == -1) end = document.cookie.length;
			returnvalue=unescape(document.cookie.substring(offset, end))
			}
			}
			return returnvalue;
			}
			
			function getselectedItem(){
			if (get_cookie(window.location.pathname) != ""){
			selectedItem=get_cookie(window.location.pathname)
			return selectedItem
			}
			else
			return ""
			}
			
			function saveswitchstate(){
			var inc=0, selectedItem=""
			while (ccollect[inc]){
			if (ccollect[inc].style.display=="block")
			selectedItem+=ccollect[inc].id+"|"
			inc++
			}
			
			document.cookie=window.location.pathname+"="+selectedItem
			}
			
			function do_onload(){
			uniqueidn=window.location.pathname+"firsttimeload"
			var alltags=document.all? document.all : document.getElementsByTagName("*")
			ccollect=getElementbyClass(alltags, "switchcontent")
			statecollect=getElementbyClass(alltags, "showstate")
			if (enablepersist=="on" && ccollect.length>0){
			document.cookie=(get_cookie(uniqueidn)=="")? uniqueidn+"=1" : uniqueidn+"=0" 
			firsttimeload=(get_cookie(uniqueidn)==1)? 1 : 0 //check if this is 1st page load
			if (!firsttimeload)
			revivecontent()
			}
			if (ccollect.length>0 && statecollect.length>0)
			revivestatus()
			}
			
			if (window.addEventListener)
			window.addEventListener("load", do_onload, false)
			else if (window.attachEvent)
			window.attachEvent("onload", do_onload)
			else if (document.getElementById)
			window.onload=do_onload
			
			if (enablepersist=="on" && document.getElementById)
			window.onunload=saveswitchstate