/*
$(document).ready(function()
{
$("ul#topnav li").hover(function() { //Hover over event on list item
	$(this).css({ 'background' : '#1376c9 url(topnav_active.gif) repeat-x'}); //Add background color + image on hovered list item
	$(this).find("span").show(); //Show the subnav
} , function() { //on hover out...
	$(this).css({ 'background' : 'none'}); //Ditch the background
	$(this).find("span").hide(); //Hide the subnav
});
});
*/


var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';
}
// close showed layer
function mclose()
{
	if(ddmenuitem)
		ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose;