attachEventHandler(window, 'load', init);		
function init()
{
	attachBehaviour("menu", "mouseover", onMenuOver, "mouseout", onMenuOut);
}
function onMenuOver(e){
	if (document.all) elem = window.event.srcElement;
	else elem = e.currentTarget;
	elem.src = elem.src.replace(/menu/gi,"menu_on")
}

function onMenuOut(e){
	if (document.all) elem = window.event.srcElement;
	else elem = e.currentTarget;
	elem.src = elem.src.replace(/menu_on/gi,"menu")	
}