var menu_timeout = null;
var menu_open = null;
function setMenu(up) {
window.menu = {"menu_A":{"show":["A"],"items":[{"url":up+"section/collages.html","name":"Collages","id":"46969"},{"url":up+"section/paintings.html","name":"Paintings","id":"A_"},{"url":up+"section/watercolors.html","name":"Watercolors","id":"W_"}]}};}

function closeMenu() {
	if (menu_timeout != null)
		clearTimeout(menu_timeout);
	menu_timeout = null;
	menu_open = null;

	$('#menu').html('');
}

function openMenuRow(id) {
	// What was clicked?
	if (this.id) {
		this.blur();
		id = this.id;
	}
	else {
		$('#navigation a').each(function() { this.blur() });
	}

	if (menu_open == id && id == 'menu_A') {
		closeMenu();
		return false;
	}
	closeMenu();

	// Show this row and its ancestors
	if (menu[id] == null) {
		//alert('menu[id] was null for '+id);
		return false;
	}

	var show = menu[id].show;
	for (i=0;i<show.length;i++) {
		var row_id = 'menu_' + show[i];
		var items = menu[row_id].items;
		//var dont_show = (i+1 == show.length) ? ' id="newest_row"' : '';
		var html = '<div class="menu_row">';
		for (j=0;j<items.length;j++) {
			var item = items[j];

			var sel_class = '';
			if (i + 1 < show.length) {
				if (item.id != show[i+1])
					continue;
				else
					sel_class = ' menu_item_selected';
			}

			html = html + '<div class="menu_item'+sel_class+'"><a id="menu_'+item.id+'" class="menu_item_';
			if (item.url == null) {
				html = html + 'open" href="#">';
			}
			else {
				html = html + 'link" hr' + 'ef="' + item.url + '">';
			}
			html = html + item.name;
			html = html + '</a></div>';
		}
		html = html + '</div>';
		$('#menu').append(html);
	}
	//$('#menu #newest_row').hide();
	//$('#menu #newest_row').fadeIn('fast');
	$('#menu div.menu_item').hover(
		function() {
			$(this).addClass('menu_item_hover');
		},
		function() {
			$(this).removeClass('menu_item_hover');
		}
	);
	$('a.menu_item_open').click(openMenuRow);
	menu_timeout = setTimeout(closeMenu, 8000);
	menu_open = id;

	return false;
}

function openArtworkMenu() {
	var r = menu['menu_A'];
	if (r != null && r.items != null && r.items.length > 0) {
		if (r.items.length == 1 && r.items[0] != null && r.items[0].id == 'A')
			window.location = menu['menu_A'].items[0].url;
		else
			openMenuRow('menu_A');
	}
	return false;
}