document.write("<table width='100%' border='0' cellspacing='0' cellpadding='0'><form action='/User/User_ChkLogin.asp' method='post' name='UserLogin' onSubmit='return CheckLoginForm();' target='_top'><tr><td align='right'>用户名：</td><td><input style='FONT-SIZE:12px' name='UserName' type='text' id='UserName' size='20' maxlength='20'></td><td align='right'>密&nbsp;&nbsp;码：</td><td><input style='FONT-SIZE:12px' name='UserPassword' type='password' id='Password' size='20' maxlength='20'></td><td align='right'>Cookie：</td><td><select name='CookieDate'><option selected value='0'>不保存</option><option value='1'>保存一天</option><option value=2>保存一月</option><option value=3>保存一年</option></select></td><td align='center'><input type='hidden' name='ComeUrl' value=''><input name='Login' type='submit' id='Login' value=' 登录 ' /></td><td align='center'><a href='/Reg/User_Reg.asp' target='_blank'>用户注册</a>&nbsp;<a href='/User/User_GetPassword.asp' target='_blank'>忘记密码</a></td></tr></form></table>")
function CheckLoginForm(){
   if(document.UserLogin.UserName.value==''){
           alert('请输入用户名！');
           document.UserLogin.UserName.focus();
           return false;
       }
       if(document.UserLogin.Password.value == ''){
           alert('请输入密码！');
           document.UserLogin.Password.focus();
           return false;
       }
   }