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<html>
  <head>
    <base href="<%=basePath%>">
   
 <script type="text/javascript">
  function check(){
   var name1 = document.form1.name1.value;
   
   var password1 = document.form1.password1.value;
  
   var email = document.form1.email.value;
   
   if(name1 == ""){
    alert("Óû§Ãû²»ÄÜΪ¿Õ!");
    return false;
   }
   else if(password1.length<4 || password1==""){
    alert("ÃÜÂë²»ÄÜÉÙÓÚ4λ");
    return false;
   }else {
    var idxEmail = email.indexOf('@');
    if(idxEmail <=0 || idxEmail == email.length - 1){
     alert("EmailµØÖ·¸ñʽ²»ºÏ·¨");
     return false;
    }
   }
  }
 </script>
  </head>
 
  <body>
   <form action="registerOK.jsp" method="post" name="form1" onsubmit="return check()">
    <input type="text" name="name1"/>
    <input type="password" name="password1"/>
    <input type="text" name="email" />
    <input type="submit" value="Ìá½»">
   </form>
  </body>
</html>


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function js_show(per_id)   
{   
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