<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>带验证码的登录页面</title>
<script language="javascript">
function veri(){
var sourcenum="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
var siglenum="";
var checknum="";
var index=0;
for(i=0;i<8;i++){
   index=(Math.random()*100)%35;
   siglenum=sourcenum.substring(index,index+1);
   checknum+=siglenum;
   i++;
}
document.form1.txt_ver.value=checknum;
}
</script>
</head>
<body onLoad="veri();">
<table width="422" border="0" align="center" cellpadding="0" cellspacing="0" background="images/lg_02.jpg"  style="font-size:12px; color:#FFFFFF; font-weight:bold">
  <tr>
    <td height="91" colspan="2" background="images/lg_01.jpg">&nbsp;</td>
  </tr>
  <tr>
    <td width="120" height="200" align="center" valign="middle"><img src="images/lg_06.gif" width="28" height="27"></td>
    <td height="200"><table width="98%" border="0" align="center" cellpadding="5" cellspacing="0">
        <form name="form1">
          <tr>
            <td width="23%" height="22" align="right" class="font_white">管理员:</td>
            <td width="77%" height="22"><input name="txt_name" type="text" class="textbox" id="txt_name" size="18" maxlength="50"></td>
          </tr>
          <tr>
            <td height="22" align="right" class="font_white">密
              码:</td>
            <td height="22"><input name="txt_passwd" type="password" class="textbox" id="txt_passwd" size="19" maxlength="50"></td>
          </tr>
          <tr>
            <td height="22" align="right" class="font_white">验证码:</td>
            <td height="22"><input name="verifycode" id="verifycode" class="textbox" onFocus="this.select(); " onMouseOver="this.style.background='#E1F4EE';" onMouseOut="this.style.background='#FFFFFF'" size="6" maxlength="4">
              <input name="txt_ver" type="text" id="txt_ver" size="4" readonly="ture">                            </td>
          </tr>
          <tr>
            <td height="22" colspan="2" align="center"><input name="login" type="submit" id="login" value="登 录" class="button">
&nbsp; &nbsp;&nbsp;&nbsp;
              <input type="reset" name="Submit2" value="重 置" class="button"></td>
          </tr>
        </form>
    </table></td>
  </tr>
  <tr>
    <td height="4" colspan="2" background="images/lg_03.jpg"></td>
  </tr>
</table>
</body>
</html>