在线求助，如何自动登陆网站，急！

fencer_2000 2003-08-21 07:43:49

下面的网页需登陆才能进入，怎样才能自动登陆进去呢，盼高手出招！
<HTML>
<head>
<TITLE></TITLE>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=gb2312">
<STYLE>
a:link {text-decoration: none}
a:hover {text-decoration: underline}
a:active {text-decoration: underline}
a:visited {text-decoration: none}
</STYLE>
<script>
function checkForm(){
if(logoForm.username.value==''){
alert('请输入用户名。');
return false;
}
if(logoForm.password.value==''){
alert('请输入密码。');
return false;
}
logoForm.submit();
}

function guest(){
logoForm.username.value="guest";
logoForm.password.value="guest";
logoForm.submit();
}
</script>
</head>
<BODY BGCOLOR=#FFFFFF leftmargin=0 topmargin=0>
<center>
<TABLE WIDTH=780 BORDER=0 CELLPADDING=0 CELLSPACING=0>
<TR>
<TD WIDTH=554>
<IMG SRC="image/head_01.gif"></TD>
<TD WIDTH=226>
<TABLE WIDTH=226 height=105 BORDER=0

CELLPADDING=0 CELLSPACING=0>
<TR>
<TD valign=top height=76><IMG

SRC="image/head01_01.gif"></TD></TR>
<TR>
<TD

style="background-image:url('image/head01_02.gif');font:menu;"

align=right>
</TD>
</TR>
</TABLE>
</TD>
</TR>
</TABLE>
<TABLE WIDTH=780 BORDER=0 CELLPADDING=0 CELLSPACING=0

style="font:menu;color:white;background-color:black;">
<TR>
<TD HEIGHT=20> 网站登陆</TD>
<TD WIDTH=150 HEIGHT=20 style="padding-left:80px;">
2003年8月21日星期四
</TR>
</TABLE>
<TABLE WIDTH=780 BORDER=0 CELLPADDING=0 CELLSPACING=0>
<TR>
<TD WIDTH=275 HEIGHT=192><IMG

SRC="image/logo_content_01.gif"></TD>
<TD WIDTH=268 HEIGHT=192>
<TABLE WIDTH=268 BORDER=0 CELLPADDING=0

CELLSPACING=0 style="font:menu;">
<TR>
<TD WIDTH=249 HEIGHT=76><IMG

SRC="image/logo_form_01.gif"></TD>
<TD WIDTH=19 HEIGHT=76><IMG

SRC="image/logo_form_02.gif"></TD>
</TR>
<TR>
<form method="post"

action="program/main.asp" name="logoForm" onsubmit="return

checkForm();">
<TD WIDTH=249 HEIGHT=116

style="padding-top:20px;">
　用户：<input

type="text" name="username"

style="height:18px;width:150px;border-bottom:1px dotted

black;border-top:none;border-left:none;border-right:none;"

value=""><br>
　密码：<input

type="password" name="password"

style="height:18px;width:150px;border-bottom:1px dotted

black;border-top:none;border-left:none;border-right:none;" value=""><p>

　　　　　　　　　　　<input type="image" src="image/enter.gif">
</TD>
<TD WIDTH=19 HEIGHT=116><IMG

SRC="image/logo_form_04.gif"></TD>
</form>
</TR>
</TABLE>
</TD>
<TD WIDTH=237 HEIGHT=192

style="background-color:#EEA839;border-top:1px solid

black;border-bottom:1px solid black;">
<div

style="height:164px;width:235px;color:#4C4A4D;font:menu;padding:2px;lin

e-height:18px;">
<br>登陆网站须知：<li>用户登陆网站用户

名和密码请务必填写正确。<br>
　　<li>如果用户在使用本网站的过程中遇

到任何问题，请<a href="mailto:webmaster@jata.com.cn"><font color="red">

联络</font></a>网站管理人员。
</div>
<div style="height:26px;font:menu;"><img

src="image/logo_arrow.gif" align="absmiddle">　<a

href="program/register.asp">用户注册</a>　<a href="#"

onclick="window.open('program/password.asp','pwdchgwin','width=400,heig

ht=300,status=no,address=no,menubar=no');">修改密码</a>　<a

href="program/help.asp">使用帮助</a></div>
</TD>
</TR>
</TABLE>
<TABLE WIDTH=780 BORDER=0 CELLPADDING=0 CELLSPACING=0>
<TR>
<TD>
<IMG SRC="image/logo_foot_01.gif" WIDTH=701

HEIGHT=114></TD>
<TD>
<IMG SRC="image/logo_foot_02.gif" WIDTH=79

HEIGHT=114></TD>
</TR>
<TR>
<TD>
<IMG SRC="image/logo_foot_03.gif" WIDTH=701

HEIGHT=52></TD>
<TD>
<IMG SRC="image/logo_foot_04.gif" WIDTH=79

HEIGHT=52></TD>
</TR>
</TABLE>
<div

style="height:20px;width:780px;font:menu;padding:4px;color:#4B4B4B;"

align=left> </div>
</center>
</BODY>
</HTML>

...全文