<html>
<head>
<title></title>
<script>
function showLeftFrame() {
if (document.all.leftTd.style.display == 'none'){
document.all.middleTd.innerText = '3';
document.all.leftTd.style.display = '';
} else {
document.all.middleTd.innerText = '4';
document.all.leftTd.style.display = 'none';
}
}
</script>
</head>
<body>
<table width="800" height="423" align="center">
<tr>
<td height="100" colspan="3">
<iframe name="top" src="top.htm" scrolling="no" frameborder="0"
marginheight="0" marginwidth="0" width="100%" height="100%"></iframe>
</td>
</tr>
<tr>
<td id="leftTd" width="150" height="500">
<iframe name="left" src="left.htm" scrolling="no" frameborder="0"
marginheight="0" marginwidth="0" width="100%" height="100%"></iframe>
</td>
<td id="middleTd" width="10" onclick="showLeftFrame()"
bgcolor="#ddeeff" style="font-family:Webdings;cursor:hand;">
3
</td>
<td height="500">
<iframe name="content" src="content.jsp" scrolling="no"
frameborder="0" marginheight="0" marginwidth="0" width="100%"
height="100%"></iframe>
</td>
</tr>
</table>
</body>
</html>
posted on 2008-05-08 11:37
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java基礎(chǔ)