// Universal event handler
// Please don't use "onload = functionName" etc
// use instead this "addEvent(window, 'load', functionName);"
function addEvent(obj, strEvent, objFunction)
{ 
	if (obj.addEventListener)
	{ 
		obj.addEventListener(strEvent, objFunction, true); 
		return true; 
	}
	else if (obj.attachEvent)
	{ 
		var returnValue = obj.attachEvent("on"+strEvent, objFunction); 
		return returnValue; 
	} 
	else return false; 
}