function topOver(dir, no) {
	switch(no) {
	case 1:
		document.images['top1'].src = dir + "images/top_menu_home_ro.gif";
		break;
	case 2:
		document.images['top2'].src = dir + "images/top_menu_reserve_ro.gif";
		break;
	case 3:
		document.images['top3'].src = dir + "images/top_menu_room_ro.gif";
		break;
	case 4:
		document.images['top4'].src = dir + "images/top_menu_restaurant_ro.gif";
		break;
	case 5:
		document.images['top5'].src = dir + "images/top_menu_access_ro.gif";
		break;
	case 6:
		document.images['top6'].src = dir + "images/top_menu_link_ro.gif";
		break;
	}
}
function topOut(dir, no) {
	switch(no) {
	case 1:
		document.images['top1'].src = dir + "images/top_menu_home.gif";
		break;
	case 2:
		document.images['top2'].src = dir + "images/top_menu_reserve.gif";
		break;
	case 3:
		document.images['top3'].src = dir + "images/top_menu_room.gif";
		break;
	case 4:
		document.images['top4'].src = dir + "images/top_menu_restaurant.gif";
		break;
	case 5:
		document.images['top5'].src = dir + "images/top_menu_access.gif";
		break;
	case 6:
		document.images['top6'].src = dir + "images/top_menu_link.gif";
		break;
	}
}