/***********************************************
			* 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="off" //Enable saving state of content structure using session cookies? (on/off)
			var memoryduration="7" //persistence in # of days
			
			var contractsymbol='/images/minus.gif' //Path to image to represent contract state.
			var expandsymbol='/images/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()
				for (var idx = 1; idx <= statecollect.length; idx++)
				{
					expandcontent (statecollect[idx], statecollect[idx].name + 'ID');
				}
			}
			
			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