str='<table width="100%" border="0" align="center" cellpadding="0" cellspacing="0"><form name="ulform" method="post" action="/user/chklogin.asp" onSubmit="return chkqtul()"><tr align="center"><td height="25"><span id="lusxx">用户名：<input name="username" type="text" style="width:70px;height:18px">&nbsp;密&nbsp;码：<input name="password" type="password" style="width:70px;height:18px">&nbsp;<input name="cmd" type="submit" value="" style="width:0px;height:0px"><img src="/imagesds/login.gif" style="cursor:hand" border="0" align="absmiddle" onClick="javascript:chkqtul(\'P\')">&nbsp;&nbsp;<a href="/getpwd.asp">忘记密码</a>&nbsp;&nbsp;<a href="/register.asp">免费注册</a></span>&nbsp;&nbsp;<a href="/">本站首页</a>&nbsp;&nbsp;<a href="/contact.htm">联系我们</a>&nbsp;&nbsp;<a href="javascript:void(0);" onClick="window.external.AddFavorite(\'http://www.mt668.net/\',\'世界摩托车网\');return false">加入收藏</a></td></tr><input type="hidden" name="ylei" value="qt"></form>';
str=str+'<IFRAME id="qtfChkuser" name="qtfChkuser" src="about:blank" width="0" scrolling="no" height="0"></IFRAME><form name="Chkmtuqt" action="" method="post"><input type="hidden" name="username"></form>';
str=str+'<script language="javascript">';
str=str+'function chkqtul(i){';
str=str+'if (ulform.username.value==""){';
str=str+'alert("用户名？");';
str=str+'ulform.username.focus();';
str=str+'return false;}';
str=str+'if (ulform.password.value==""){';
str=str+'alert("密码？");';
str=str+'ulform.password.focus();';
str=str+'return false;}';
str=str+'document.ulform.target="qtfChkuser";';
str=str+'if (i=="P"){';
str=str+'document.ulform.submit();';
str=str+'return true;}';
str=str+'}';
str=str+'function exitul(){';
str=str+'Chkmtuqt.username.value="exit";';
str=str+'document.Chkmtuqt.action="/user/manage/exit.asp";';
str=str+'document.Chkmtuqt.target="qtfChkuser";';
str=str+'document.Chkmtuqt.submit();';
str=str+'return false;}';
str=str+'</script>';
str=str+'</table>';				
document.write(str);