// JavaScript Document
function addEvent(obj, evType, fn)
{ 
 if (obj.addEventListener)
 { 
   obj.addEventListener(evType, fn, false); 
   return true; 
 } 
 else if (obj.attachEvent)
 { 
   var r = obj.attachEvent("on"+evType, fn); 
   return r; 
 } 
 else
 { 
 	alert("Sorry my JavaScript does not support your browser, feel free to email me, telling me which browser and version you are using");	
   	return false; 
 } 
}