var enablepersist="on" //Enable saving state of content structure using session cookies? (on/off)
var collapseprevious="no" //Collapse previously open content when opening present? (yes/no)

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"){
    if (collapseprevious=="yes") contractcontent(cid);
    document.getElementById(cid).style.display=(document.getElementById(cid).style.display!="block")? "block" : "none";
  }
}

function changesub(cid, newHtml) {
  if (typeof ccollect!="undefined"){
    if (collapseprevious=="yes") contractcontent(cid);
    //alert(cid + " " + newHtml);
    document.getElementById(cid).innerHTML='<table border=0 cellspacing=0 cellpadding=0><tr><td>&nbsp;&nbsp;&nbsp;</td><td><img src="images/menu_sep.gif" border=0 alt=""></td><td nowrap>'+newHtml+'</td><td><img src="images/menu_sep.gif" border=0 alt=""></td></tr></table>';
  }
}

function hidesub() {
  cid = 'mainsubmenu';
  if (typeof ccollect!="undefined"){
    if (collapseprevious=="yes") contractcontent(cid);
    //alert(cid + " " + newHtml);
    document.getElementById(cid).innerHTML='';
  }
}

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 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"
getElementbyClass("switchcontent")
if (enablepersist=="on" && typeof ccollect!="undefined"){
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 (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



function ow(arg1, arg2, W, H) {
  if ( !W ) W = 400;
  if ( !H ) H = 400;
  L = (screen.width-W-15)/2;
  T = (screen.height-H)/2 - 50;
  w = window.open(arg1, arg2, "top="+T+", left="+L+", width="+W+", height="+H+", resizable=1, scrollbars=1, status=0, links=0, channels=0, border=0");
  w.focus();
  return false;
}