// JavaScript Document

function getUID(){
  var time1 = (new Date()).getTime();
  return "uid="+time1;
}

function uidfyurl(url){
  var uid = getUID();
  if(url.indexOf('?')==-1) url = url + '?'+uid;
  else url = url + '&'+uid;
  return url;
}

function screenload (url){
  url = uidfyurl(url);
  $('screen').load(url);
}