var menu_timer = new Array();

function expand_menu(mid) {
	try {
		var menu = document.getElementById(mid);
		var link = document.getElementById(mid + '_link');
		
		if (menu.style.display == 'none') {
			menu.style.display = 'block';
			link.className = 'active';
			//in IE8 the style doesn't completely show immediately
			//we give it an extra nudge
			var linktag = document.getElementById(mid + '_linktag');
			linktag.innerHTML = linktag.innerHTML.toUpperCase();
		} else {
			menu.style.display = 'none';
			link.className = '';
			//in IE8 the style doesn't completely show immediately
			//we give it an extra nudge
			var linktag = document.getElementById(mid + '_linktag');
			linktag.innerHTML = linktag.innerHTML.toLowerCase();
		}
		
	} catch(e) {}
}

function delay_close_menu(mid) {
	clearTimeout(menu_timer[mid]);
	var menu = document.getElementById(mid);
	if (menu.style.display == 'block') {
		menu_timer[mid] = setTimeout(function(){expand_menu(mid)}, 2000);
	}
}