$(document).ready(function() {

  $('input[type=radio].mr_star').rating({

    required: true,
    callback: function(value, link) {

      form = $(this).parent('form');
      $(form).find('input[type=radio].mr_star').rating('disable');
      $(form).find('img').show();
    },

    focus: function(value, link) {
      var tip = $(this).parent('form').find('div.rate-tip');
      tip.html(link.title).show();
    },

    blur: function(value, link){
      var tip = $(this).parent('form').find('div.rate-tip');
      tip.hide();
    }

  });

});