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