function Juge(theForm)
 {
  if (theForm.users.value == "")
  {
    alert("用户名不能为空!");
    theForm.users.focus();
    return (false);
  }
    if (theForm.pasds.value == "")
  {
    alert("密码不能为空!");
    theForm.pasds.focus();
    return (false);
  }
    if (theForm.yzm.value == "")
  {
    alert("验证码不能为空!");
    theForm.yzm.focus();
    return (false);
  }
  }

document.write("<table width='178' height='140' border='0' cellpadding='0' cellspacing='0'><tr><th width='12' height='11' colspan='2' scope='col'><img src='/images/yh1.jpg' width='12' height='11'></th><th width='154' rowspan='2' scope='col'><table width='154' border='0' cellspacing='0' cellpadding='0'><form name=form1 method=post action='/vip/userok.asp' onSubmit='return Juge(this)'><tr><th width='154' height='27' scope='col'><img src='/images/yh.jpg' width='154' height='27'></th></tr><tr><td height='101' bgcolor='#f5f5f5'><table width='154' height='101' border='0' cellpadding='0' cellspacing='0'><tr><td ><font color=#000000>用户名：</font>&nbsp;<input name=users type=text  id=users size=10 /></td></tr><tr><td><font color=#000000>密&nbsp;&nbsp;&nbsp;&nbsp;码：</font>&nbsp;<input name=pasds type=password id=pasds size=10 /></td></tr><tr><td align='center'><input type=image name=imageField src='/images/yhdl.jpg'>&nbsp;&nbsp;<a href='/vip/vip_zc.asp'><img src='/images/yhzc.jpg' width='61' height='21' border='0'></a></td></tr><tr><td align='center' class='color10'>会员登陆表&nbsp;&nbsp;&nbsp;&nbsp;<a href='/vip/vip_wjmm.asp' style='color: #458000'>忘记密码？</a></td></tr></table></td></tr></form></table></th><th width='12' height='11' colspan='2' scope='col'><img src='/images/yh2.jpg' width='12' height='11'></th></tr><tr><td width='1' height='117' bgcolor='#b4b4b4'></td><td width='6' background='/images/yh1_1.jpg'></td><td width='6' height='117' background='/images/yh1_1.jpg'></td><td width='1' height='117' bgcolor='#b4b4b4'></td></tr><tr><td width='12' height='12' colspan='2'><img src='/images/yh4.jpg' width='12' height='12'></td><td width='154' height='12' background='/images/yh1_2.jpg'><img src='/images/yh1_2.jpg' width='1' height='12'></td><td width='12' height='12' colspan='2'><img src='/images/yh3.jpg' width='12' height='12'></td></tr></table>");