Spry.Widget.SlidingPanels.prototype.attachBehaviors = function()
{
	var ele = this.element;
	if (!ele)
		return;

	if (this.enableKeyboardNavigation)
	{
		var focusEle = null;
		var tabIndexAttr = ele.attributes.getNamedItem("tabindex");
		if (tabIndexAttr || ele.nodeName.toLowerCase() == "a")
			focusEle = ele;
	
		if (focusEle)
		{
			var self = this;
			Spry.Widget.SlidingPanels.addEventListener(focusEle, "focus", function(e) { return self.onFocus(e || window.event); }, false);
			Spry.Widget.SlidingPanels.addEventListener(focusEle, "blur", function(e) { return self.onBlur(e || window.event); }, false);
			Spry.Widget.SlidingPanels.addEventListener(focusEle, "keydown", function(e) { return self.onKeyDown(e || window.event); }, false);
		}
	}

	if (this.currentPanel)
	{
		// Temporarily turn off animation when showing the
		// initial panel.

		var ea = this.enableAnimation;
		this.enableAnimation = false;
		this.showPanel(this.currentPanel);
		this.enableAnimation = ea;
	}
	
	if (this.automatic){
		this.start();
	}
};

Spry.Widget.SlidingPanels.prototype.start = function(){
	var self = this; // reference to this, so we can use it inside our function
	this.automaticStarted = setInterval(function(){
			var panels = self.getContentPanels(),
				panelcount = panels.length,
				current = self.getCurrentPanel(),
				newpanel;
			
			// locate the current panel index, and check if we need to increase or decrease the panel
			for(var i = 0; i < panelcount; i++){
				if(panels[i] == current){
					
					// set the correct panel index based on the direction
					self.direction == 1 ? (i++) : (i--);
					
					// check if we want to do 1 2 3 2 1 .. looping instead of 1 2 3 1 2 3 ..
					if(self.backAndForth){
						if(self.direction == 1 && i >= (panelcount -1)){
							self.direction = 0;	// reset the direction
							i = panelcount;
						} else if(self.direction == 0 && i == 0) {
							self.direction = 1; // reset direction
							i = 0;
						}
					}					
					self.showPanel( self.direction == 1 ? (i >= panelcount ? 0 : i) : (i < 0 ? panelcount -1 : i));
					
					break; // stop looping, we already found and are displaying our new panel
				}
			}
	}, this.each || 3000);
};

Spry.Widget.SlidingPanels.prototype.showPreviousPanel = function()
{
	var index = this.getContentPanelIndex(this.currentPanel) - 1;
	return this.showPanel(index < 0 ? this.getContentPanels().length -1 : index);
};

Spry.Widget.SlidingPanels.prototype.showNextPanel = function()
{
	var index = this.getContentPanelIndex(this.currentPanel) + 1
	return this.showPanel(index >= this.getContentPanels().length ? 0 : index);
};


Spry.Widget.SlidingPanels.prototype.stop = function(){
	if(this.automaticStarted && typeof this.automaticStarted == 'number'){
		clearInterval(this.automaticStarted);
		this.automaticStarted = null;
	}
};

Spry.Widget.SlidingPanels.prototype.setDirection = function(direction){
	this.direction = direction;
};