function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

// Swap content display w/persistent state
var enablepersist="on" 

if (document.getElementById){
	document.write('<style type="text/css">')
	document.write('.switchcontent{display:none;}')
	document.write('</style>')
}

function getElementbyClass(classname){
	ccollect=new Array()
	var inc=0
	var alltags=document.all? document.all : document.getElementsByTagName("*")
	for (i=0; i<alltags.length; i++){
		if (alltags[i].className==classname)
		ccollect[inc++]=alltags[i]
	}
}

function contractcontent(omit){
	var inc=0
	while (ccollect[inc]){
	if (ccollect[inc].id!=omit)
		ccollect[inc].style.display="none"
		inc++
	}
}

function expandcontent(cid){
	if (typeof ccollect!="undefined"){
		contractcontent(cid)
		document.getElementById(cid).style.display=(document.getElementById(cid).style.display!="block")? "block" : "none"
		selectedItem=cid+"|"+document.getElementById(cid).style.display
	}
}

function revivecontent(){
	selectedItem=getselectedItem()
	selectedComponents=selectedItem.split("|")
	contractcontent(selectedComponents[0])
	document.getElementById(selectedComponents[0]).style.display=selectedComponents[1]
}

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(){
	if (typeof selectedItem!="undefined")
	document.cookie=window.location.pathname+"="+selectedItem
}

function do_onload(){
	getElementbyClass("switchcontent")
	if (enablepersist=="on" && getselectedItem()!="")
	revivecontent()
}

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
// End swap display
