jQuery validate 日期比较 自定义验证方法

<! DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
< HTML >
  < HEAD >
   < TITLE >  New Document  </ TITLE >
   < META  NAME ="Generator"  CONTENT ="EditPlus" >
   < META  NAME ="Author"  CONTENT ="" >
   < META  NAME ="Keywords"  CONTENT ="" >
   < META  NAME ="Description"  CONTENT ="" >
   < script  type ="text/javascript"  src ="jquery-1.4.2.js" ></ script >
   < script  type ="text/javascript"  src ="jquery.validate.js" ></ script >
   < SCRIPT  LANGUAGE ="JavaScript" >
   <!--
    jQuery( function (){        
        jQuery.validator.methods.compareDate  =   function (value, element, param) {
             // var startDate = jQuery(param).val() + ":00";补全yyyy-MM-dd HH:mm:ss格式
             // value = value + ":00";
            
             var  startDate  =  jQuery(param).val();
            
             var  date1  =   new  Date(Date.parse(startDate.replace( " - " ,  " / " )));
             var  date2  =   new  Date(Date.parse(value.replace( " - " ,  " / " )));
             return  date1  <  date2;
        };
        
        jQuery( " #form1 " ).validate({
            focusInvalid: false ,
            rules:{
                 " timeStart " :{
                    required:  true
                },
                 " timeEnd " : {
                    required:  true ,
                    compareDate:  " #timeStart "
                }
            },
            messages:{
                 " timeStart " :{
                    required:  " 开始时间不能为空 "
                },
                 " timeEnd " :{
                    required:  " 结束时间不能为空 " ,
                    compareDate:  " 结束日期必须大于开始日期! "
                }
            }
        });
    });
   // -->
   </ SCRIPT >
  </ HEAD >

  < BODY >
  < form  id ="form1"  name ="form1"  method ="post"  action ="demo.html" >
    < p > timeStart:
      < input  name ="timeStart"  type ="text"  id ="timeStart"  value ="2011-02-17 10:00:00" >  yyyy-MM-dd HH:mm:ss
    </ p >
    < p > timeEnd:
      < input  name ="timeEnd"  type ="text"  id ="timeEnd"  value ="2011-02-17 9:00:00" >  yyyy-MM-dd HH:mm:ss
    </ p >
    < p >
      < input  type ="submit"  name ="Submit"  value ="提交" >
    </ p >
  </ form >
  
  </ BODY >
</ HTML >