/*
Contractible Headers Script- © Dynamic Drive (www.dynamicdrive.com)
For full source code, 100's more DHTML scripts, and TOS, 
Visit http://www.dynamicdrive.com
*/

var ns6=document.getElementById&&!document.all?1:0

var head="display:''"
var folder=''


function expandit(curobj)
{
   folder=ns6?curobj.nextSibling.nextSibling.style:document.all[curobj.sourceIndex+2].style
   if (folder.display=="none")
      folder.display=""
   else
      folder.display="none"
   if (window.event.srcElement.tagName == "IMG")
   {
      elementID = 0
   } 
   else 
   {
      elementID = 1
   }

   var srcElement = ns6?curobj:document.all(window.event.srcElement.sourceIndex + elementID)
   image = srcElement.src
   if (image.indexOf('rozwin') > 1)
   {
      srcElement.src = 'images/zwin.gif'
   } 
   else 
   {
      srcElement.src = 'images/rozwin.gif'
   }
}