// JavaScript Document
window.onload = init;
 
function init(){
  var allDiv = document.getElementsByTagName("LI");
 
  for (var i=0; i<allDiv.length; i++){
     allDiv[i].onmouseover = li_over;
     allDiv[i].onmouseout = li_out;		
 
  }	
  function li_over(){
     for (var x = 0; x<this.childNodes.length; x++){
        if(this.childNodes[x].nodeName == "UL"){
	  this.childNodes[x].style.display="block";
        }
     }
  }
  function li_out(){
    for (var x = 0; x<this.childNodes.length; x++){
	if(this.childNodes[x].nodeName == "UL"){
           this.childNodes[x].style.display="none";
	}
    }
  }
 
}