<!--
/** 
 *  Based on Folding Menu Tree 
 *  Dynamic Drive (www.dynamicdrive.com)
 *  For full source code, installation instructions,
 *  100's more DHTML scripts, and Terms Of
 *  Use, visit dynamicdrive.com
 *
 *  Updated to support arbitrarily nested lists
 *  by Mark Quinn (mark@robocast.com) November 2nd 1998
 */
// Courtesy of SimplytheBest.net (http://simplythebest.net/info/dhtml_scripts.html)
var head="display:''"
img1=new Image()
img1.src="../pictures/fold.gif"
img2=new Image()
img2.src="../pictures/open.gif"
function change(){
   if(!document.all)
      return
   if (event.srcElement.id=="foldheader") {
      var srcIndex = event.srcElement.sourceIndex
      var nested = document.all[srcIndex+1]
      if (nested.style.display=="none") {
         nested.style.display=''
         event.srcElement.style.listStyleImage="url(../pictures/open.gif)"
      }
      else {
         nested.style.display="none"
         event.srcElement.style.listStyleImage="url(../pictures/fold.gif)"
      }
   }
}
document.onclick=change
//-->