function addEvent(obj, evType, fn){
 if (obj.addEventListener){
   obj.addEventListener(evType, fn, true);
   return true;
 } else if (obj.attachEvent){
   var r = obj.attachEvent("on"+evType, fn);
   return r;
 } else {
   return false;
 }
}

function popup(url, wt, ht) {
	window.open(url, "littleWindow", "resizable,status,scrollbars,location=no,width=" + wt + ",height=" + ht);
}