// - Text rotator functions
function rotatorStart(idx, id, cls, timer) {
	
	var tick = $$(id + ' ' + cls)
	tick.each(function(e) {
		if ($(e).visible)
			$(e).hide();
	});
		
	setTimeout(function() {
		Effect.Appear(tick[idx]);
	}, 400);
	
	var nextIdx;
	if (idx == tick.length -1)
		nextIdx = 0;
	else
		nextIdx = idx+1;	

	setTimeout(
		"rotatorStart(#{1}, '#{2}', '#{3}', #{4})".interpolate({ 1: nextIdx, 2: id, 3: cls, 4: timer}),
		timer
	);
}

function clickhandler(e){
   
    var img = Event.element(e);
	var popHeight = Element.getHeight(img) * 3;
	src = img.getAttribute('src');
    if (src == null) {
	    src = img.down('img').getAttribute('src');
	}
    window.open(src, 'imagewindow', 'width=' + (screen.width * .5) + ',height=' + popHeight + ',menubar=no,status=no,scrollbars=yes');
	return false;			
}

/* Any div's with the enlarge class should open a new window when clicked */
Event.observe(window, 'load', function() { 
	$$('div.enlarge').each( function(e) { 
		Event.observe(e, 'click', clickhandler.bindAsEventListener(e));
	});
});

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 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));
    }
});