text: define([
      'models/billjob',
      'backbone'
  ], function (Billjob) {
  
      var BillJobCollection = Backbone.Collection.extend({
          model:Billjob,
          url:function () {
              return this.id ? '/billjob/' + this.id : '/billjob';
          }
      });
  
      return BillJobCollection;
  
  });