var enablepersist="on"
var collapseprevious="no"
var contractsymbol='- '
var expandsymbol='+ '
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
	for (i=0; i<rootobj.length; 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){
}

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 (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()
}

function getEid(id) {
  return document.getElementById ? document.getElementById(id) : (document.all ? document.all[id] : 0);
}
function expand(id, show) {
  var eid = getEid(id);
  if (! eid) return;
  if (show > 0 || (! show && eid.style.display == 'none')) {
    eid.style.display = '';
  } else {
    eid.style.display = 'none';
  }
}

function preview(id, show, w) {
  linkurl = getEid('ifrm-open-' + id);
  linkurl1 = getEid('ifrm1-' + id);
  var fr = getEid('iframe-' + id);
  if (! fr) return false;
  expand('iframe-' + id, show);
  if(w==1){
    expand('ifrm-open-' + id, - show);
    expand('ifrm-close1-' + id, show);
  }
  if(w==2){
    expand('ifrm1-' + id, - show);
    expand('ifrm-close2-' + id, show);
  }
  if (show == -1) return;
    if(w==1) fr.src = linkurl.href;
    else if(w==2) fr.src = linkurl1.href;
	else  fr.src = "";
  return false;
}

function showAdv(tableRow)
{ 
 if (tableRow.style.display == "none"){
   tableRow.style.display = "";}
 else {   tableRow.style.display = "none";  }
}



