/* main menu items */

var menuItems = new Array(5);

for (i = 0; i < menuItems.length; i++) {
	menuItems[i] = new Array(2);
	for (j = 0; j < menuItems[i].length; j++) {
		menuItems[i][j] = new Image();
	}
}

menuItems[0][0].src = "/images/menu/painting.gif";
menuItems[0][1].src = "/images/menu/painting_highlighted.gif";

menuItems[1][0].src = "/images/menu/lithography.gif";
menuItems[1][1].src = "/images/menu/lithography_highlighted.gif";

menuItems[2][0].src = "/images/menu/glass.gif";
menuItems[2][1].src = "/images/menu/glass_highlighted.gif";

menuItems[3][0].src = "/images/menu/store.gif";
menuItems[3][1].src = "/images/menu/store_highlighted.gif";

menuItems[4][0].src = "/images/menu/catalogues.gif";
menuItems[4][1].src = "/images/menu/catalogues_highlighted.gif";

function swapMenuItems(source, number) {
	source.src = menuItems[number][1].src;
}

function restoreMenuItems(source, number) {
	source.src = menuItems[number][0].src;
}