/***********************************************
		* Switch Content script II- © 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="on" //Enable saving state of content structure using session cookies? (on/off)
		var memoryduration="7" //persistence in # of days
		
		var contractsymbol='minus.gif' //Path to image to represent contract state.
		var expandsymbol='plus.gif' //Path to image to represent expand state.
		
		/////No need to edit beyond here //////////////////////////
		
		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 inc=0
		while (ccollect[inc]){
		ccollect[inc].style.display=(ec=="contract")? "none" : ""
		inc++
		}
		revivestatus()
		}
		
		
		function expandcontent(curobj, cid){
		if (ccollect.length>0){
		document.getElementById(cid).style.display=(document.getElementById(cid).style.display!="none")? "none" : ""
		curobj.src=(document.getElementById(cid).style.display=="none")? expandsymbol : contractsymbol
		}
		}
		
		function revivecontent(){
		selectedItem=getselectedItem()
		selectedComponents=selectedItem.split("|")
		for (i=0; i<selectedComponents.length-1; i++)
		document.getElementById(selectedComponents[i]).style.display="none"
		}
		
		function revivestatus(){
		var inc=0
		while (statecollect[inc]){
		if (ccollect[inc].style.display=="none")
		statecollect[inc].src=expandsymbol
		else
		statecollect[inc].src=contractsymbol
		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=="none")
		selectedItem+=ccollect[inc].id+"|"
		inc++
		}
		if (get_cookie(window.location.pathname)!=selectedItem){ //only update cookie if current states differ from cookie's
		var expireDate = new Date()
		expireDate.setDate(expireDate.getDate()+parseInt(memoryduration))
		document.cookie = window.location.pathname+"="+selectedItem+";path=/;expires=" + expireDate.toGMTString()
		}
		}
		
		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" && get_cookie(window.location.pathname)!="" && ccollect.length>0)
		revivecontent()
		if (ccollect.length>0 && statecollect.length>0)
		revivestatus()
		
		// defaul to contracted
		sweeptoggle('contract')
		}
		
		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
		
		
		
	<!--/script-->