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
        enabled   : true    // number of selected stars
    };
	
    if(options) {
       jQuery.extend(settings, options);
    };
   jQuery.extend(settings, {cancel: true});
   
   
   var container = jQuery(this);
	
	jQuery.extend(container, {
            averageRating: settings.curvalue,
            url: settings.url
        });

	for(var i= 0; i <= settings.maxvalue ; i++){
		var size = 5
        if (i == 0) {
        } 
		else {
             var div = '<div class="star"><a href="#'+i+'" title="Give it '+i+'/'+size+'">'+i+'</a></div>';
			 container.append(div);

        }
 
		

	}
	
	var stars = jQuery(container).children('.star');
    var enabled_ = true;
  
    
    if (settings.enabled == 1) {
    stars
	        .mouseover(function(){
                if (enabled_) {
                    event.drain();
                    event.fill(this);
                }
            })
            .mouseout(function(){
                if (enabled_) {
                    event.drain();
                    event.reset();
                }
            })
            .focus(function(){
                if (enabled_) {
                    event.drain();
                    event.fill(this)
                }
            })
            .blur(function(){
                if (enabled_) {
                    event.drain();
                    event.reset();
                }
            });

    stars.click(function(){
        if (enabled_) {
            if(settings.cancel == true){
                settings.curvalue = stars.index(this) + 1;
                jQuery.post(container.url, {
                    "rating": jQuery(this).children('a')[0].href.split('#')[1] 
                });
                enabled_ = false;
                return false;
            }
            else if(settings.maxvalue == 1){
                settings.curvalue = (settings.curvalue == 0) ? 1 : 0;
                $(this).toggleClass('on');
                jQuery.post(container.url, {
                    "rating": jQuery(this).children('a')[0].href.split('#')[1] 
                });
                return false;
            }
		}
		return true;
			
    });

    } else {
        stars.click(function(){
                return false;
        });
    }
        
	var event = {
		fill: function(el){ // fill to the current mouse position.
			var index = stars.index(el) + 1;
			stars
				.children('a').css('width', '100%').end()
				.slice(0,index).addClass('hover').end();
		},
		drain: function() { // drain all the stars.
			stars
				.filter('.on').removeClass('on').end()
				.filter('.hover').removeClass('hover').end();
		},
		reset: function(){ // Reset the stars to the default index.
			stars.slice(0, settings.curvalue).addClass('on').end();
		}
	}        
	event.reset();
	
	return(this);	

}