var enablepersist="off" //Enable saving state of content structure? (on/off)
var oldButton     // which button

//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 &&
            // and if it's not closed yet, close it
            (document.getElementById("option_"+inc).style.display == "block") )
      {
         open("/blank.html","option"+inc,"")
         ccollect[inc].style.display="none"
      }
      inc++
   }
}

function expandcontent(cid, button, name, td, url){
   if (typeof ccollect!="undefined"){

      contractcontent("option_"+cid)
   
      if (document.getElementById("option_"+cid).style.display == "block" && oldButton == button)      // close
      {
         open("/blank.html","option"+cid)
         //alert("about to close "+url)
         document.getElementById("option_"+cid).style.display = "none"
      }
      else
      {
         //alert("about to open "+url+" open at iFrame option"+cid)
         document.getElementById("option_"+cid).style.display = "block"
         open(url,"option"+cid)
      }
      selectedItem="option_"+cid+"|"+document.getElementById("option_"+cid).style.display
      oldButton = button
   }

   colorEachTd(name, td)
}

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