var head="display:''"
		img1=new Image()
		img1.src="/imagenes/fold.gif"
		img2=new Image()
		img2.src="/imagenes/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(/imagenes/open.gif)"
		      }
		      else {
		         nested.style.display="none"
		         event.srcElement.style.listStyleImage="url(/imagenes/fold.gif)"
		      }
		   }
		}
		
		document.onclick=change
		

		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+1].style
		if (folder.display=="none")
		folder.display=""
		else
		folder.display="none"
		}