/* Simon Willison's improved version of PPK's addLoadEvent
 * http://simonwillison.net/2004/May/26/addLoadEvent/
 */
function addLoadEvent(func) { 
	var oldonload = window.onload; 
	if (typeof window.onload != 'function') { 
		window.onload = func; 
	} else { 
		window.onload = function() { 
			if(oldonload){
				oldonload(); 
			}
			func(); 
		} 
	} 
}