function hideTopContainer()
{
	$('#middleContainer').slideUp();
	$.cookie("middleContainer", "invisible", {expires: 7});
	return false;
}

function handleVisibilityTopContainer()
{
	if ($.cookie("middleContainer") == 'invisible') {
		$('#middleContainer').css('display', 'none');
	} else {
		$('#middleContainer').css('display', 'block');
	}
}