// JavaScript Document

var timeout    = 1000;
var closetimer = 0;
var ddmenuitem = 0;

function nav_open(){
	nav_canceltimer();
   	nav_close();
   	ddmenuitem = $(this).find('ul').css('visibility', 'visible');
}

function nav_close(){if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');}
function nav_timer(){ closetimer = window.setTimeout(nav_close, timeout);}

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

$(document).ready(function(){
	$('#navlist > li').bind('mouseover', nav_open); 
	$('#navlist > li').bind('mouseout',  nav_timer);
});

document.onclick = nav_close;