var Encuesta = {
	initialize: function(){
		this.el = document.id('encuesta_slider');
		this.knob = new Element('span',{'id':'encuesta_knob'}).inject(this.el);
		this.log = new Element('span',{'id':'encuesta_log'}).injectAfter(this.el);

		this.slider = new Slider(this.el, this.knob, {offset:8,steps:6,wheel:false,snap:true,onChange:this.onWalk.bind(this),onComplete:this.onComplete.bind(this)}).set(3);
	},
	
	onWalk: function(pos){
		this.log.setStyle('width',(pos*50)+'px');
		document.id('valor').value=pos;
		document.getElementById('send_valor').href="poll.php?&valor="+pos+"&encuesta="+document.getElementById('i_en').value+"&keepThis=true&TB_iframe=true&height=580&width=620";
	},

	onComplete: function(){
	}
};

Encuesta.initialize();