自己点右键查看源代码嘛<html><head>
<meta http-equiv="content-type" content="text/html; charset=gb2312">
<title>TOM 论坛</title>
<style type=text/css>
.point{position:absolute;font-family:Webdings;background-color:#dddddd;font-size:12px;color:#000000;cursor:hand;}
</style>
<script language=javascript>
function changeWin(){
if(parent.forum.cols!="10,*")
{
parent.forum.cols="10,*";
document.all.menuSwitch.innerHTML="<font class=point>4</font>";
}
else
{
parent.forum.cols="127,*";
document.all.menuSwitch.innerHTML="<font class=point>3</font>";
}
}
</script>
</head><body topmargin=0 marginheight=0 leftmargin=0 marginwidth=0><table width=100% height=100% border=0 cellpadding=0 cellspacing=0>
<tr><td width=100%>
<iframe style="height:100%; width:100%; visibility:inherit;" marginwidth=0 marginheight=0 framespacing=0 frameborder=0 src="left.html"></iframe>
</td>
<td bgcolor=aaaaaa><img src="http://bbsimg.tom.com/bbs/images/shim.gif" width=1 height=1></td>
<td bgcolor=dddddd>
<table width=100% height=100% border=0 cellpadding=0 cellspacing=0>
<tr><td height=1 onclick=changeWin()><img src="http://bbsimg.tom.com/bbs/images/shim.gif" width=10 height=1></td></tr>
<tr><td onclick=changeWin() height=100% id=menuSwitch><font class=point>3</font></td></tr>
</table>
</td>
</tr>
</table></body></html>
<meta http-equiv="content-type" content="text/html; charset=gb2312">
<title>TOM 论坛</title>
<style type=text/css>
.point{position:absolute;font-family:Webdings;background-color:#dddddd;font-size:12px;color:#000000;cursor:hand;}
</style>
<script language=javascript>
function changeWin(){
if(parent.forum.cols!="10,*")
{
parent.forum.cols="10,*";
document.all.menuSwitch.innerHTML="<font class=point>4</font>";
}
else
{
parent.forum.cols="127,*";
document.all.menuSwitch.innerHTML="<font class=point>3</font>";
}
}
</script>
</head><body topmargin=0 marginheight=0 leftmargin=0 marginwidth=0><table width=100% height=100% border=0 cellpadding=0 cellspacing=0>
<tr><td width=100%>
<iframe style="height:100%; width:100%; visibility:inherit;" marginwidth=0 marginheight=0 framespacing=0 frameborder=0 src="left.html"></iframe>
</td>
<td bgcolor=aaaaaa><img src="http://bbsimg.tom.com/bbs/images/shim.gif" width=1 height=1></td>
<td bgcolor=dddddd>
<table width=100% height=100% border=0 cellpadding=0 cellspacing=0>
<tr><td height=1 onclick=changeWin()><img src="http://bbsimg.tom.com/bbs/images/shim.gif" width=10 height=1></td></tr>
<tr><td onclick=changeWin() height=100% id=menuSwitch><font class=point>3</font></td></tr>
</table>
</td>
</tr>
</table></body></html>
.SwitchClass{color:black;cursor:hand;font-family:webdings;font-size:9pt}
</style>
<body>
<script language="javascript">
function SwitchMenuStatus()
{
if(SwitchMenu.innerText==3)
{
SwitchMenu.innerText=4;
document.all("Menu").style.display="none";
}
else
{
SwitchMenu.innerText=3;
document.all("Menu").style.display="";
}
}
function OpenMenu()
{
if(SwitchMenu.innerText==4)
{
SwitchMenu.innerText=3;
document.all("Menu").style.display="";
}
else
{
SwitchMenu.innerText=3;
document.all("Menu").style.display="";
}
}</script>
<table width="100%" border="1" cellpadding="3" cellspacing="0" height="100%" bordercolor="#EEEEEE" bordercolordark="#FFFFFF" bordercolorlight="#999999">
<tr>
<td id=Menu name="Menu" vAlign=top align=left>
<iframe src="about:blank" style="height:100%;visibility:inherit;width:100" border="0" frameborder=0></iframe>
</td>
<td width="5" height="100%" onmouseover="OpenMenu();">
<table border=0 cellPadding=0 cellSpacing=0>
<tr>
<td style="height: 100%" valign=middle onclick="SwitchMenuStatus();">
<span class=SwitchClass id=SwitchMenu title="关闭/打开菜单">3</span>
</td>
</tr>
</table>
</td>
<td id=Home name="Home" vAlign=top align=left width="100%">
<iframe src="about:blank" style="height:100%;visibility:inherit;width:100%" border="0" frameborder=0></iframe>
</td>
<tr>
</table>