/* main menu items */

var menuItems = new Array(6);

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/buttons/biography.gif";
menuItems[0][1].src = "/images/buttons/biography_highlighted.gif";

menuItems[1][0].src = "/images/buttons/about.gif";
menuItems[1][1].src = "/images/buttons/about_highlighted.gif";

menuItems[2][0].src = "/images/buttons/exhibitions.gif";
menuItems[2][1].src = "/images/buttons/exhibitions_highlighted.gif";

menuItems[3][0].src = "/images/buttons/gallery.gif";
menuItems[3][1].src = "/images/buttons/gallery_highlighted.gif";

menuItems[4][0].src = "/images/buttons/projects.gif";
menuItems[4][1].src = "/images/buttons/projects_highlighted.gif";

menuItems[5][0].src = "/images/buttons/links.gif";
menuItems[5][1].src = "/images/buttons/links_highlighted.gif";

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

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

/* start menu items */

var startMenuItems = new Array(6);

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

startMenuItems[0][0].src = "/images/buttons/start_biography.gif";
startMenuItems[0][1].src = "/images/buttons/start_biography_highlighted.gif";

startMenuItems[1][0].src = "/images/buttons/start_about.gif";
startMenuItems[1][1].src = "/images/buttons/start_about_highlighted.gif";

startMenuItems[2][0].src = "/images/buttons/start_exhibitions.gif";
startMenuItems[2][1].src = "/images/buttons/start_exhibitions_highlighted.gif";

startMenuItems[3][0].src = "/images/buttons/start_gallery.gif";
startMenuItems[3][1].src = "/images/buttons/start_gallery_highlighted.gif";

startMenuItems[4][0].src = "/images/buttons/start_projects.gif";
startMenuItems[4][1].src = "/images/buttons/start_projects_highlighted.gif";

startMenuItems[5][0].src = "/images/buttons/start_links.gif";
startMenuItems[5][1].src = "/images/buttons/start_links_highlighted.gif";

function swapStartMenuItems(source, number) {
	source.src = startMenuItems[number][1].src;
}

function restoreStartMenuItems(source, number) {
	source.src = startMenuItems[number][0].src;
}