这段验证代码那错了，郁闷呀！！！

Question

check this
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function submitClick(){
         var userid=document.forms[0].userid.value;
         if(userid==""){alert("用户名称不能为空");return false;}
         var userpwd=document.forms[0].userpwd.value;
         if(userpwd==""){alert("用户密码不能为空");return false;}
         var reuserpwd=document.forms[0].reuserpwd.value;
         if(reuserpwd==""){alert("请重复输入密码");return false;}         if(userpwd!=reuserpwd){
                     alert("两次输入密码不一致！请重新输入");
                     document.forms[0].userpwd.value="";
                     document.forms[0].reuserpwd.value="";
                     document.forms[0].userpwd.focus();
                     return false;
  }
         var strmsg="";
         strmsg="你的用户名为："+userid+";你的密码为："+reuserpwd+";";
         document.forms[0].dispinfo.value=strmsg
         alert(strmsg);
  }
  function Resetclick(){
           document.forms[0].reset();
  }
  function callsubmitclick(){
           document.forms[0].submit();
  }