jQuery.fn.rating = function(url, options) {
	
	if(url == null) return;
	
	var settings = {
        url       : url, // post changes to
        maxvalue  : 5,   // max number of stars
        curvalue  : 0,    // number of selected stars
        post_add  : null,//product-id_layer
        enable    : true
    };

    if(options) {
       jQuery.extend(settings, options);
    };

  settings.id=settings.post_add.split('_')[0];
  settings.layer=settings.post_add.split('_')[1];

   var container = jQuery(this);
	
	jQuery.extend(container, {
            averageRating: settings.curvalue,
            url: settings.url
    });

	for(var i= 1; i <= settings.maxvalue ; i++){
		var size = i

             var div = '<div class="star"><a href="#'+i+'" title="'+i+'/'+size+'">'+i+'</a></div>';
			 container.append(div);
	}
	
	
    var stars = $(this).children('.star');

    stars
	        .mouseover(function(){
	          if(settings.enable==true){
                event.drain();
                event.fill(this);
              }
            })
            .mouseout(function(){
              if(settings.enable==true){
                event.drain();
                event.reset();
              }
            })
            .focus(function(){
              if(settings.enable==true){
                event.drain();
                event.fill(this);
              }

            })
            .blur(function(){
             if(settings.enable==true){
                event.drain();
                event.reset();
             }
            });

    stars.click(function(){
      if(settings.enable==true && !readCookie("rating_"+settings.id+'_'+settings.layer)){
			settings.curvalue = (settings.curvalue == 0) ? 1 : 0;
			$(this).toggleClass('on');
            $v=jQuery(this).children('a')[0].href.split('#')[1];
			
            jQuery.post(container.url, {
                "rating": $v
                ,"post": settings.post_add
            });
            createCookie("rating_"+settings.id+'_'+settings.layer,"true",1);
            settings.curvalue=$v;
            event.drain();
            event.reset();
            
      }
          return false;
    });



	var event = {
		fill: function(el){
			 var index = stars.index(el)+1;
             stars.children('a').css('width', '100%').end();
             stars.slice(0, index).addClass('hover').end();
		},
		drain: function(){
			stars.filter('.on').removeClass('on').end();
			stars.filter('.hover').removeClass('hover').end();
		},
		reset: function(){ 
          
            stars.slice(0, settings.curvalue).addClass('on').end();
          
		}
	}
   
	    event.reset();
    
	
	return(this);	

}