var Cookies = Class.create({
    initialize: function(path, domain) {
        this.path = path || '/';
        this.domain = domain || null;
    },
    // Sets a cookie
    set: function(key, value, days) {
        if (typeof key != 'string') {
            throw "Invalid key";
        }
        if (typeof value != 'string' && typeof value != 'number') {
            throw "Invalid value";
        }
        if (days && typeof days != 'number') {
            throw "Invalid expiration time";
        }
        var setValue = key+'='+escape(new String(value));
        if (days) {
            var date = new Date();
            date.setTime(date.getTime()+(days*24*60*60*1000));
            var setExpiration = "; expires="+date.toGMTString();
        } else var setExpiration = "";
        var setPath = '; path='+escape(this.path);
        var setDomain = (this.domain) ? '; domain='+escape(this.domain) : '';
        var cookieString = setValue+setExpiration+setPath+setDomain;
        document.cookie = cookieString;
    },
    // Returns a cookie value or false
    get: function(key) {
        var keyEquals = key+"=";
        var value = false;
        document.cookie.split(';').invoke('strip').each(function(s){
            if (s.startsWith(keyEquals)) {
                value = unescape(s.substring(keyEquals.length, s.length));
                throw $break;
            }
        });
        return value;
    },
    // Clears a cookie
    clear: function(key) {
        this.set(key,'',-1);
    },
    // Clears all cookies
    clearAll: function() {
        document.cookie.split(';').collect(function(s){
            return s.split('=').first().strip();
        }).each(function(key){
            this.clear(key);
        }.bind(this));
    }
});

var reclama = new Cookies();

document.observe("dom:loaded", function() {
	if (reclama.get('show')){
		if(reclama.get('show') == 0) { $("message_div").hide(); }
		else{ $("message_div").show(); }
	}
	else{
		reclama.set('show', '1');
		$("message_div").show();
	}
	
	if (reclama.get('show_newsletter')){
		if(reclama.get('show_newsletter') == 0) { $("newsletter_div").hide(); }
		else{
			var browserDims = document.body.getDimensions();
			var y = (document.viewport.getHeight() - 240) /2;
			var x = (browserDims.width - 330) / 2;
			var styles = { top : y + 'px', left : x + 'px' };
			$("newsletter_div").setStyle(styles).show();
		}
	}
	else{
		reclama.set('show_newsletter', '1');
		var browserDims = document.viewport.getDimensions();
		var y = (document.viewport.getHeight() - 240) /2;
		var x = (browserDims.width - 330) / 2;
		var styles = { top : y + 'px', left : x + 'px' };
		$("newsletter_div").setStyle(styles).show();
	}
});

Event.observe(window, 'scroll', function() {
	var browserDims = document.viewport.getDimensions();
	var y = document.viewport.getScrollOffsets().top + (browserDims.height - 240) /2;
	var x = (browserDims.width - 330) / 2;
	var styles = { top : y + 'px', left : x + 'px' };
	$("newsletter_div").setStyle(styles);
});
	
function closeMessage(){
	reclama.set('show', '0');
	$("message_div").hide();
}

function closeNewsletterMessage(){
	reclama.set('show_newsletter', '0');
	$("newsletter_div").hide();
}