http://www.iflfinanceltd.com/src/assets/js/jquery-rating.js

1$.fn.start = function(rating,cb) {
2    var length = $(this).children().length;
3    var children = $(this).children();
4    //current index ,0 base
5    var current = -1;
6
7
8    if(typeof(rating) === 'function'){
9        cb = rating;
10    }else{
11        if(rating <1 || rating > length){
12            rating = -1;
13        }
14    }
15    //init rating
16    current = rating - 1;
17    for (var j = 0; j <= current; j++) {
18        $(children[j]).removeClass('jr-nomal jr-rating').addClass('jr-rating');
19    }
20    for (var i = 0; i < length; i++) {
21
22        $(children[i]).bind('mouseover', function(event) {
23            current = $(this).index(children[i]);
24
25            for (var j = 0; j <= current; j++) {
26                $(children[j]).removeClass('jr-nomal jr-rating').addClass('jr-rating');
27            }
28            for (var j = current + 1; j < length; j++) {
29                $(children[j]).removeClass('jr-nomal jr-rating').addClass('jr-nomal');
30            }
31
32            if (typeof(cb) === 'function') {
33
34                cb(current + 1);
35            }
36        });
37    }
38}
39
40$.fn.getCurrentRating = function(){
41    var length = $(this).children().length;
42    var children = $(this).children();
43    var resulut = 0;
44
45    for (var i = 0; i < length; i++) {
46        if($(children[i]).hasClass('jr-rating')){
47            resulut +=1;
48        }else{
49            break;
50        }
51    }
52    return resulut;
53}