//copyright 2008 Jarrett Vance
//http://jvance.com - Modificado por Joaco
$.fn.rater = function(options) {
	var opts = $.extend({}, $.fn.rater.defaults, options);
	return this.each(function() {
		var $this = $(this);
		var $on = $this.find('.ui-rater-starsOn');
		var $off = $this.find('.ui-rater-starsOff');
		opts.size = $on.height();
		if (opts.rating == undefined) opts.rating = $on.width() / opts.size;
		if (opts.id == undefined) opts.id = $this.attr('id');

		$off.mousemove(function(e) {
			var left = e.clientX - $off.offset().left;
			var width = $off.width() - ($off.width() - left);
			width = Math.ceil(width / (opts.size / opts.step)) * opts.size / opts.step;
			$on.width(width);
		}).hover(function(e) { $on.addClass('ui-rater-starsHover'); }, function(e) {
			$on.removeClass('ui-rater-starsHover'); $on.width(opts.rating * opts.size);
		}).click(function(e) {
			var r = Math.round($on.width() / $off.width() * (opts.units * opts.step)) / opts.step;
			$off.unbind('click').unbind('mousemove').unbind('mouseenter').unbind('mouseleave');
			$off.css('cursor', 'default'); $on.css('cursor', 'default');
			$.fn.rater.rate($this, opts, r);
		}).css('cursor', 'pointer'); $on.css('cursor', 'pointer');
	});
};

$.fn.rater.defaults = {
	funcion: 'enviarVoto',
	units: 5,
	step: 1
};
$.fn.rater.rate = function($this, opts, rating) {
	var $on = $this.find('.ui-rater-starsOn');
	var $off = $this.find('.ui-rater-starsOff');
	$off.fadeTo(600, 0.4, function() {
		result = eval(opts.funcion + '(opts.id,rating)');
		if (result) { //success
			opts.rating = parseFloat(result);
			$off.fadeTo(600, 0.1, function() {
				$on.removeClass('ui-rater-starsHover').width(opts.rating * opts.size);
				var $count = $this.find('.ui-rater-rateCount');
				$count.text(parseInt($count.text()) + 1);
				$this.find('.ui-rater-rating').text(opts.rating.toFixed(1));
				$off.fadeTo(600, 1);
				$this.attr('title', 'Su puntuación: ' + rating.toFixed(1));
			});
		} else { //failure
			$on.removeClass('ui-rater-starsHover').width(opts.rating * opts.size);
			$this.rater(opts);
			$off.fadeTo(2200, 1);
		}
	});
};