window.addEvent('domready', function(){

		var valor;
		var slider = new Slider($('red'), $('red').getElement('.knob'), {
			steps: 100,  // Steps from 0 to 255
			wheel: true, // Using the mousewheel is possible too
			onChange: function(){
				valor = Math.round(($('content').getStyle('width').toInt() - 960) * this.step / 100);
				//alert(this.step + " - " + ($('content').getStyle('width').toInt() - 960));
				$('content').setStyle('left', 0-valor);
			}
		}).set(0);

});