紧急求助：移动框架

<html>
<head>
<style>
.navPoint {COLOR: white; CURSOR: hand; FONT-FAMILY: Webdings; FONT-SIZE: 9pt}
</style>
<script language="javascript">
function switchSysBar(){
if (switchPoint.innerText==3){
switchPoint.innerText=4
document.all("frmTitle").style.display="none"
}
else{
switchPoint.innerText=3
document.all("frmTitle").style.display=""
}
}
</script>
</head>
<body bgcolor="#000000" style="MARGIN: 0px">
<table border="0" cellpadding="0" cellspacing="0" height="100%" width="100%">
<tr>
<td id="frmTitle" width="30%">
<iframe frameborder="1" src="about:blank" height="100%" width="100%"></iframe>
</td>
<td onclick="switchSysBar()" width="10">
<span class="navPoint" id="switchPoint" title="关闭/打开左栏">3</span>
</td>
<td>
<iframe frameborder="1" src="about:blank" height="100%" width="100%"></iframe>
</td>
</tr>
</table>
</body>
</html>