var onLoadHandler = function(){

	var rollover = new RollOverImage(document.getElementById("menu01"));
	rollover.setMouseOverImage('img/top02over.gif');
	var rollover = new RollOverImage(document.getElementById("menu02"));
	rollover.setMouseOverImage('img/top01over.gif');
};


if(window.addEventListener ) {
	window.addEventListener("load", onLoadHandler, true);
} else {
	window.attachEvent("onload", onLoadHandler);
}