//
// NB: menu.js includes dean edwards event handling code
// so the event handling methods here are commented out
//
/* addEvent: simplified event attachment */
function addEvent( obj, type, fn ) {
 if (obj.addEventListener) {
  obj.addEventListener( type, fn, false );
  EventCache.add(obj, type, fn);
 }
 else if (obj.attachEvent) {
  obj["e"+type+fn] = fn;
  obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
  obj.attachEvent( "on"+type, obj[type+fn] );
  EventCache.add(obj, type, fn);
 }
 else {
  obj["on"+type] = obj["e"+type+fn];
 }
}
 
var EventCache = function(){
 var listEvents = [];
 return {
  listEvents : listEvents,
  add : function(node, sEventName, fHandler){
   listEvents.push(arguments);
  },
  flush : function(){
   var i, item;
   for(i = listEvents.length - 1; i >= 0; i = i - 1){
    item = listEvents[i];
    if(item[0].removeEventListener){
     item[0].removeEventListener(item[1], item[2], item[3]);
    };
    if(item[1].substring(0, 2) != "on"){
     item[1] = "on" + item[1];
    };
    if(item[0].detachEvent){
     item[0].detachEvent(item[1], item[2]);
    };
    item[0][item[1]] = null;
   };
  }
 };
}();
addEvent(window,'unload',EventCache.flush);