var timeout    = 250;
var closeTimer = 0;
var menuItem;
var menuItemLink;

$(document).ready(function()
{  
	$('#SSTopNavigation > li').bind('mouseover', ssTopnavOpen);
	$('#SSTopNavigation > li').bind('mouseout',  ssPullDownTimer);
	$('#SSSigninNavigation > li').bind('mouseover', ssTopnavOpen);
	$('#SSSigninNavigation > li').bind('mouseout',  ssPullDownTimer);
});

function ssTopnavOpen()
{ 
	ssPullDownCancelTimer();
	ssPullDownClose();
	if($(this).find('ul').length > 0)
	{
		menuItem = $(this).find('ul').css('visibility', 'visible');
		menuItemLink = $(this).find('a:first').css('backgroundColor', '#036');
	}
}

function ssPullDownClose()
{  
	if(menuItem)
	{
		menuItem.css('visibility', 'hidden');
		menuItemLink.css('backgroundColor', '');
	}
}

function ssPullDownTimer()
{
	closeTimer = window.setTimeout(ssPullDownClose, timeout);
}

function ssPullDownCancelTimer()
{
	if(closeTimer)
	{
		window.clearTimeout(closeTimer);
		closeTimer = null;
	}
}