document.write('<td width=60% height=29 class=td01 align=left>&nbsp; 欢迎');document.write('来到新浪汽车商情在线</td><td width=40% class=td01 align=right nowrap><a href=login.php>登陆</a> &nbsp; <a href=reg_help.php>注册</a> &nbsp; <a href=help.php target=_blank>帮助</a> &nbsp;');document.write('</td>');