function ImageStrip(container,cellWidth,speed) {

	this.container = $(container);

	this.image = this.container.find('ul');

	

	this.cellWidth = cellWidth;



	this.speed = speed;

} 



ImageStrip.prototype = {

	move: function(to) {

		var from = this.currentCell();



		if (from == to) {

			return false;

		}



		var newLeft = (this.cellWidth * (to-1) * -1);



		if (this.speed > 0) {

			this.image.animate({left:newLeft},this.speed);

		}

		else {

			this.image.left(newLeft+'px');

		}



		return true;

	},

	currentCell: function() {

		var left = this.image.css('left');

		if (left == 'auto') {

			left = 0;

		}

		else {

			left = parseInt(left);

		}



		return (left/this.cellWidth);

	}

}