$(document).ready(
	function() {
		$('#overlay').css('height', $(window).height());
		var top = ($(window).height()/2)-($('#overlay-window').outerHeight()/2);
		$('#overlay-window').css({top: '0',opacity: '0'});   
		$('#overlay-window').animate({'top': top, opacity: 1}, 1500);
		$('#overlay,.overlay-close').click(function() {
			$('#overlay').fadeOut(1500);
			$('#overlay-window').animate({'top': 0, opacity: 0}, 1500, function() {
				$('#overlay,#overlay-window').remove();
				$.cookie('cookie_closing_state', 'is_closed', { expires: 1 });
 			});
		});

});