var SlidingTabs = new Class({
  options: {
    startingSlide: false, 
    activeButtonClass: 'active',
    activationEvent: 'click',
    wrap: true,
    slideEffect: {
    	duration: 200
    },
    animateHeight: true,
    rightOversized: 0
  },
  current: null,
  buttons: false,
  outerSlidesBox: null,
  innerSlidesBox: null,
  panes: null,
  fx: null,
  heightFx: null,
  initialize: function(buttonContainer, slideContainer, options) {
    if (buttonContainer) { this.buttons = $(buttonContainer).getChildren(); }
    this.outerSlidesBox = $(slideContainer);
    this.innerSlidesBox = this.outerSlidesBox.getFirst();
    this.panes = this.innerSlidesBox.getChildren();
    this.setOptions(options);
    this.fx = new Fx.Scroll(this.outerSlidesBox, this.options.slideEffect);
    this.heightFx = this.outerSlidesBox.effect('height', this.options.slideEffect);
    this.current = this.options.startingSlide ? this.panes.indexOf($(this.options.startingSlide)) : 0;
    if (this.buttons) { this.buttons[this.current].addClass(this.options.activeButtonClass); }
    this.outerSlidesBox.setStyle('overflow', 'hidden');
    this.panes.each(function(pane, index) {
      pane.setStyles({
       'float': 'left',
       'overflow': 'hidden'
      });
    }.bind(this));
    if (this.options.startingSlide) this.fx.toElement(this.options.startingSlide);
    
    if (this.buttons) this.buttons.each( function(button) {
      button.addEvent(this.options.activationEvent, this.buttonEventHandler.bindWithEvent(this, button));
    }.bind(this));
    
    if (this.options.animateHeight)
      this.heightFx.set(this.panes[this.current].offsetHeight);
    this.recalcWidths();
  },
  changeTo: function(element, animate) {
    if ($type(element) == 'number') element = this.panes[element - 1];
    if (!$defined(animate)) animate = true;
    var event = { cancel: false, target: $(element), animateChange: animate };
    this.fireEvent('change', event);
    if (event.cancel == true) { return; };
    if (this.buttons) { this.buttons[this.current].removeClass(this.options.activeButtonClass); };
    this.current = this.panes.indexOf($(event.target));
    if (this.buttons) { this.buttons[this.current].addClass(this.options.activeButtonClass); };
    this.fx.stop();
    if (event.animateChange) {
      this.fx.toElement(event.target);
    } else {
      this.outerSlidesBox.scrollTo(this.current * this.outerSlidesBox.offsetWidth.toInt(), 0);
    }
    if (this.options.animateHeight)
      this.heightFx.start(this.panes[this.current].offsetHeight);
  },
  buttonEventHandler: function(event, button) {
    if (event.target == this.buttons[this.current]) return;
    this.changeTo(this.panes[this.buttons.indexOf($(button))]);
  },
  next: function() {
    var next = this.current + 1;
    if (next == this.panes.length) {
      if (this.options.wrap == true) { next = 0 } else { return }
    }
    this.changeTo(this.panes[next]);
  },
  previous: function() {
    var prev = this.current - 1
    if (prev < 0) {
      if (this.options.wrap == true) { prev = this.panes.length - 1 } else { return }
    }
    this.changeTo(this.panes[prev]);
  },
  recalcWidths: function() {
    this.panes.each(function(pane, index) {
      pane.setStyle('width', this.outerSlidesBox.offsetWidth.toInt() - this.options.rightOversized + 'px');
    }.bind(this));
    
    this.innerSlidesBox.setStyle(
      'width', (this.outerSlidesBox.offsetWidth.toInt() * this.panes.length) + 'px'
    );
    if (this.current > 0) {
      this.fx.stop();
      this.outerSlidesBox.scrollTo(this.current * this.outerSlidesBox.offsetWidth.toInt(), 0);
    }
  }
});
SlidingTabs.implement(new Options, new Events);
var rotator = new Class({
	options: {
		rotatorDuration:3500,
		stopped : false,
		onRotatorStart: Class.empty,
		onRotatorStop: Class.empty
	}, 
	initialize : function($cont, $titles, $contents, $obj) {
		this.setOptions($obj);
		this.accr = new Accordion($titles, $contents, this.options);
		this.rotate.periodical(this.options.rotatorDuration, this);
		$cont.addEvent("mouseover", this.stop.bind(this) );
		$cont.addEvent("mouseout", this.start.bind(this) );
	},
	stop : function() {
		this.fireEvent("onRStop",this.accr.previous);
		this.options.stopped = true;
	},
	start : function() {
		this.fireEvent("onRStart",this.accr.previous);
		this.options.stopped = false;
	},
	rotate: function() {
		if (!this.options.stopped) {
			var toShow = this.accr.previous+1;
			if (toShow>this.accr.elements.length-1) {
				toShow=0;
			}
			this.accr.display(toShow);
		}
	}
});
rotator.implement(new Options);
rotator.implement(new Events);