document.write('<div id="Login">');
document.write('<div class="bg">会员登陆</div>');
document.write('<div>');
document.write('<table border="0" cellspacing="0" cellpadding="0">');
document.write('<form action="ckLogin.php" method="post" name="loginFrm">');
  document.write('<tr>');
document.write('<td width="63" align="center">用户名：</td>');
document.write('<td width="95"><input name="txtUserName" type="text" class="input" tabindex="100"/></td>');
document.write('<td width="57" align="right"><input type="image" src="style/images/bt_login.gif"  tabindex="103" /></td>');
  document.write('</tr>');
  document.write('<tr>');
document.write('<td align="center">密　码：</td>');
document.write('<td><input name="txtPassword" type="password" class="input"  tabindex="101"/><input name="txtCode" value="BTKaicn" type="hidden"/></td>');
document.write('<td align="right"><a href="http://bbs.kaicn.com/register.php" target="_blank">注册</a></td>');
  document.write('</tr>');
  document.write('<tr>');
document.write('<td align="center">验证码：</td>');
document.write('<td><input name="txtSign" type="text" class="sign"  tabindex="102"/><img  id="seccode"  name="seccode" src="seccode.php" onclick="this.src=\'seccode.php?update=\' + Math.random()" style="position:relative;top:5px;left:3px;"/></td>');
document.write('<td align="right"><a href="http://bbs.kaicn.com/member.php?action=lostpasswd">忘记密码</a></td>');
  document.write('</tr>');
  document.write('</form>');
document.write('</table>');
document.getElementById("seccode").src = "seccode.php?update=" + Math.random();
document.write('</div>');
document.write('</div>');