window.addEvent('load', function() {
	var tstamp = $time();
	var unixTstamp = unixTstampLength(tstamp);
	
	if (Cookie.read('layer') !== null && unixTstamp <= Cookie.read('layer')) return;
	
	$$('#layer .close').addEvent('click', function(item) {
		$('layer').destroy();
	});

	var layer = new Fx.Tween('layer', {
		duration: 1500
	});
	layer.start('top', 25);
	
	unixTstamp = unixTstampLength(tstamp + 60*60*1*1000);
	Cookie.write('layer', unixTstamp, {duration: 1});
});

function unixTstampLength(jsTimestamp) {
	var jsTimestamp = jsTimestamp.toString();
	return parseInt(jsTimestamp.substring(0, jsTimestamp.length-3));
}