String.prototype.getQuery = function(name) 
{ 
  var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)"); 
  var r = this.substr(this.indexOf("\?")+1).match(reg); 
  if (r!=null) return unescape(r[2]); return null; 
}
var str = window.location.href;
function MM_menu(sid){
  try{document.getElementById("menu"+sid).style.display = (document.getElementById("menu"+sid).style.display != "") ? "" : "none";}
  catch(e){}
}
if (str.getQuery("menu")!=""){MM_menu(str.getQuery("menu"))}