/*
 * jQuery Quick Menu Script
 */
 
var timeout = 1;
var closetimer = 0;
var ddmenuitem = 0;

function navigation_open() { 
	navigation_canceltimer();
	navigation_close();	
	if($(this).find("ul").find("li").length > 0){
		ddmenu = $(this).find("a").addClass("current");
		ddmenuitem = $(this).find("ul").css("visibility", "visible");
	}
}

function navigation_close() {
	if(ddmenuitem) {
		ddmenu.removeClass("current");
		ddmenuitem.css("visibility", "hidden");
	}
}

function navigation_timer() {
	closetimer = window.setTimeout(navigation_close, timeout);
}

function navigation_canceltimer() {
	if(closetimer) {
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

$(document).ready(function() {
	$("#menu-bar ul.main_nav > li").bind("mouseover", navigation_open);
	$("#menu-bar ul.main_nav > li").bind("mouseout",  navigation_timer);
});