var avScroll = new Class({

    options: {
		imgWidth: 0,
		scrollRange: 0,
		leftHandle: null,
		rightHandle: null,
		container: null,
		leftClicks: 0,
		rightClicks: 0,
		speed: 500
	},

	initialize: function(options){
	this.setOptions(options)

		this.imgWidth = options['imgWidth'];
		this.scrollRange = options['scrollRange'];
		this.leftHandle = options['leftHandle'];
		this.rightHandle = options['rightHandle'];
		this.container = $(options['container']);

		if($(options['ff'])){
			this.ff = $(options['ff']);
			$(this.ff).addEvent('click',this.fastForward.bindWithEvent(this));
		}
		if($(options['rw'])){
			this.rw = $(options['rw']);
			$(this.rw).addEvent('click',this.speedReverse.bindWithEvent(this));
		}

		this.leftClicks = 0;
		this.rightClicks = 0;
		this.speed = options['speed'];
	},
	/*
	leftClick: function(){
				alert(this.leftClicks);
				if(this.leftClicks > 0){
					var start= this.leftClicks * this.imgWidth;
					var end = ( this.leftClicks - 1 ) * this.imgWidth;
					$(this.container).effect('right',{ duration: this.speed, wait:true, transition:Fx.Transitions.Back.easeIn }).start(start,end);
					this.leftClicks--;
				}


	},

	rightClick: function(){
				var start= this.leftClicks * this.imgWidth;
				var end = (this.leftClicks * this.imgWidth) + this.imgWidth;
				$(this.container).effect('right',{ duration: this.speed, wait:true, transition: Fx.Transitions.Back.easeIn }).start(start,end);
				this.leftClicks++;

	},
*/
	fastForward: function(){
	
				try {// scroll 1 images to the right, calculate it on base of the clicks and the image width
				var start= (this.leftClicks) * this.imgWidth;
				var end = (( this.leftClicks + 1 ) * this.imgWidth);
				$(this.container).effect('right',{ duration: this.speed, wait:true, transition:Fx.Transitions.Back.easeIn }).start(start,end);
				
				this.leftClicks = this.leftClicks +  1;
				}
				catch ( e){
				
				}

	},

	speedReverse: function(){
	
	        if(this.leftClicks ==0) {
	            return;
	        }
	
	    	try {// scroll 1 images to the right, calculate it on base of the clicks and the image width
				var start= (this.leftClicks *  this.imgWidth );
				var end = ((this.leftClicks  - 1 ) * this.imgWidth);
				$(this.container).effect('right',{ duration: this.speed, wait:true, transition: Fx.Transitions.Back.easeIn }).start(start,end);
				this.leftClicks-= 1;
	    		}
	    		catch(e) {
	    		
	    		}

	}

});
avScroll.implement(new Options, new Events);