function menu_mouseOver(e, who, tooltip) {
	if(tooltip) {
		menu_tooltipCreate(who,tooltip);
	}

	var ss = who.id.split("_");
	var id = ss[1];

	var image = document.getElementById("image_"+id);
	if(image) {
		imgSrc = image.getAttribute("hoverSrc");
		image.src = imgSrc;
	}
}

function menu_mouseOut(e, who) {
	menu_tooltipDestroy();

	var ss = who.id.split("_");
	var id = ss[1];
	var image = document.getElementById("image_"+id);
	if(image) {
		imgSrc = image.getAttribute("normalSrc");
		image.src = imgSrc;
	}
}