$(document).ready(function() {
	if (Cookie.getCookie('lightbox_displayed') != 'true') {
		$('#lightbox').overlay({
			mask: {
				color: '#000',
				loadSpeed: 200,
				opacity: 0.8
			},
			closeOnClick: false,
			load: true
		});
		Cookie.setCookie('lightbox_displayed', 'true');
	}
});

var Cookie = new function()
{
	this.setCookie = function (name, value, expires, path, domain, secure) {
	    document.cookie = name + '=' + escape(value) +
	      ((expires) ? '; expires=' + expires : '') +
	      ((path) ? '; path=' + path : '') +
	      ((domain) ? '; domain=' + domain : '') +
	      ((secure) ? '; secure' : '');
	};
	
	this.getCookie = function (name) {
		var cookie = ' ' + document.cookie;
		var search = ' ' + name + '=';
		var setStr = null;
		var offset = 0;
		var end = 0;
		if (cookie.length > 0) {
			offset = cookie.indexOf(search);
			if (offset != -1) {
				offset += search.length;
				end = cookie.indexOf(';', offset);
				if (end == -1) {
					end = cookie.length;
				}
				setStr = unescape(cookie.substring(offset, end));
			}
		}
		return(setStr);
	};
	
};