//add an onload event
function addOnLoadEvent(onloadToAdd){
	var prevOnLoad = window.onload;	
	if(typeof window.onload != 'function'){
		window.onload = onloadToAdd;
	} else {
		window.onload = function(){
		if(prevOnLoad){
			prevOnLoad();
		}
		onloadToAdd();
		}
	}

}
/*
function addOnLoadEvent(fnc){
if ( typeof window.addEventListener != "undefined" )
window.addEventListener( "load", fnc, false );
else if ( typeof window.attachEvent != "undefined" ) {
window.attachEvent( "onload", fnc );
}
else {
if ( window.onload != null ) {
var oldOnload = window.onload;
window.onload = function ( e ) {
oldOnload( e );
window[fnc]();
};
}
else
window.onload = fnc;
}
}
*/