curIdMouseover = 0;
underscoreTerug = 0;
function hoofdmenuOnMouseover (id) {
	if (elementExists ("IMG_underscore_"+curIdHoofdmenu)) {
		clearTimeout (underscoreTerug);
		setDisplay ("IMG_underscore_"+curIdHoofdmenu, 0);
	}
	if (elementExists ("IMG_underscore_"+id)) {
		setDisplay ("IMG_underscore_"+id, 1);
		curIdMouseover = id;
	}
}
function hoofdmenuOnMouseout () {
	if (elementExists ("IMG_underscore_"+curIdMouseover)) {
		setDisplay ("IMG_underscore_"+curIdMouseover, 0);
		curIdMouseover = 0;
	}
	if (elementExists ("IMG_underscore_"+curIdHoofdmenu)) {
		underscoreTerug = setTimeout ('setDisplay ("IMG_underscore_"+curIdHoofdmenu, 1)', 400);
	}
}