document.write ("<table width=90% border=0 cellspacing=0 cellpadding=0><form name=frm_login action=login-chk.asp method=post>");document.write ("<tr><td height='25'>用户名：<input name='username' type='text' class='LoginLeft'   maxlength='20'></td></tr>");document.write ("<tr><td height='25'>密&nbsp;&nbsp;码：<input name='password' type='password' class='LoginLeft'   maxlength='20'></td></tr>");document.write ("<tr><td height='25'>验证码：<input name=yzm type=text class=LoginLeft id=yzm size=4 maxlength=4 style=width:50px;>&nbsp;<a href='javascript:upimg();' title='点击刷新验证码'><img id='imgy' src='/lcode/Lcode.asp' width='40' height='10' border='0'></a></td></tr>");document.write ("<tr><td height='20' align='center' valign=bottom>");document.write ("<a href='javascript:;' onClick='return chkfrmlogin()'>登录</a>&nbsp;&nbsp;<a href=reg.htm>注册</a>");document.write ("</td></tr></form></table>");