// Add an event handler
// Thanks to John Resig, via QuirksMode
function addEvent(obj,type,fn)
{
 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]);
  
  }
 else
  obj.addEventListener(type,fn,false);
}