// JavaScript Document
var head="display:''"

img1=new Image()

img1.src="fold.gif"

img2=new Image()

img2.src="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(open.gif)"

      }

      else {

         nested.style.display="none"

         event.srcElement.style.listStyleImage="url(fold.gif)"

      }

   }

}



document.onclick=change