// Create scrolling variable if it doesn't exist
if (!Scrolling) var Scrolling = {};

//Scroller constructor
Scrolling.Scroller = function (o, w, h, t) {
	//get the container
	var list = o.getElementsByTagName("div");
	for (var i = 0; i < list.length; i++) {
		if (list[i].className.indexOf("Scroller-Container") > -1) {
			o = list[i];
		}
	}
	
	//private variables
	var self  = this;
	var _vwidth   = w;
	var _vheight  = h;
	var _twidth   = o.offsetWidth
	var _theight  = o.offsetHeight;
	var _hasTween = t ? true : false;
	var _timer, _x, _y;
	
	//public variables
	this.onScrollStart = function (){};
	this.onScrollStop  = function (){};
	this.onScroll      = function (){};
	this.scrollSpeed   = 30;
	
	//private functions
	function setPosition (x, y) {
		if (x < _vwidth - _twidth) 
			x = _vwidth - _twidth;
		if (x > 0) x = 0;
		if (y < _vheight - _theight) 
			y = _vheight - _theight;
		if (y > 0) y = 0;
		
		_x = x;
		_y = y;
		
		o.style.left = _x +"px";
		o.style.top  = _y +"px";
	};
	
	//public functions
	this.scrollBy = function (x, y) { 
		setPosition(_x - x, _y - y);
		this.onScroll();
	};
	
	this.scrollTo = function (x, y) { 
		setPosition(-x, -y);
		this.onScroll();
	};
	
	this.startScroll = function (x, y) {
		this.stopScroll();
		this.onScrollStart();
		_timer = window.setInterval(
			function () { self.scrollBy(x, y); }, this.scrollSpeed
		);
	};
		
	this.stopScroll  = function () { 
		if (_timer) window.clearInterval(_timer);
		this.onScrollStop();
	};
	
	this.reset = function () {
		_twidth  = o.offsetWidth
		_theight = o.offsetHeight;
		_x = 0;
		_y = 0;
		
		o.style.left = "0px";
		o.style.top  = "0px";
		
		if (_hasTween) t.apply(this);
	};
	
	this.swapContent = function (c, w, h) {
		o = c;
		var list = o.getElementsByTagName("div");
		for (var i = 0; i < list.length; i++) {
			if (list[i].className.indexOf("Scroller-Container") > -1) {
				o = list[i];
			}
		}
		
		if (w) _vwidth  = w;
		if (h) _vheight = h;
		reset();
	};
	
	this.getDimensions = function () {
		return {
			vwidth  : _vwidth,
			vheight : _vheight,
			twidth  : _twidth,
			theight : _theight,
			x : -_x, y : -_y
		};
	};
	
	this.getContent = function () {
		return o;
	};
	
	this.reset();
};

// Created and set free in March of 2007 by Jenna Fox <blueberry@creativepony.com>
// Released as public domain, with the request that credit is given for my contribution
// Also, I'd love to here where you've used or changed this code to do other interesting things!
// Requires MooTools 1.0 or newer with Fx.Style

var Slides = new Class({
	initialize: function(slidelist, workingElement, options) {
		workingElement = $(workingElement);
		workingElement.innerHTML = "";
		
		Object.extend(this, options);
		
		var slides = [];
		
		var size = workingElement.getSize();
		slidelist.each(function (slideinfo) {
			var element = $(workingElement.appendChild(document.createElement('img')));
			element.setStyles({
				opacity: 0,
				position: 'absolute',
				zIndex: 0
			});
			element.addEvent('load', function() { this.loaded = true });
			Object.extend(element, slideinfo);
			slides.push(element);
		})
		
		this.slides = slides;
		this.workingElement = workingElement;
	},
	
	start: function() {
		this.displaySlide(this.slides[0], true);
		return this;
	},
	
	// display a slide (or display it after it's loaded if it isn't ready yet)
	displaySlide: function(slide, autorotate) {
		slide = $(slide);
		
		if (slide.loaded == true) {
			this.forceDisplaySlide(slide, autorotate);
		} else {
			slide.addEvent('load', this.forceDisplaySlide.pass([slide, autorotate], this))
		}
		
		return this;
	},
	
	// force a slide to display, even if it isn't loaded
	forceDisplaySlide: function(slide, autorotate) {
		slide = $(slide);
		
		if (this.activeSlide) {
			this.activeSlide.setStyle.delay(this.transitionFor, this.activeSlide, ['opacity', 0]);
			this.activeSlide.setStyle('z-index', 0);
		}
		
		this.activeSlide = slide;
		slide.setStyle('z-index', 1);
		this.fadeFx = new Fx.Style(slide, 'opacity', {duration: this.transitionFor}).start(0, 1);
		
		if (autorotate) {
			this.displaySlide.delay(this.transitionFor + this.showFor, this, [this.nextSlide(), autorotate])
		}
		
		return this;
	},
	
	// return the slide which will show next
	nextSlide: function() {
		var result = this.slides.indexOf(this.activeSlide) + 1;
		if (result >= this.slides.length) result = 0;
		return this.slides[result];
	}
})

Slides.start = function(slides, target, options) {
	return new Slides(slides, target, options).start();
}

window.addEvent('domready', function(){
	var fx = new Fx.Styles('right_panel', {duration:400, wait:false});
	fx.start({'width': '680px'});
	$('mainbody').effect('opacity', {duration:800}).start(0,1);
}); 

var scroller = null;