What Can I change sow my page in general is longer or smaller according to the length of the content in my IFrame



<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>De Tuinengel</title>
<LINK REL="stylesheet" TYPE="text/css" HREF="style.css">



<script language = "javascript" src="tejs.js">
</script>



</head>

<body>
<div id="main">

LOGO<br>
LOGO<br>
LOGO<br>
<table border="0" width="100%" heigth="100%">
<tr>
<td width="15%" heigth="100%" valign="top">
<!-- BEGIN Menu -->
<dl id="menu">
<dt onmouseover="javascript:show('smenu1');" onmouseout="javascript:show();"><a href="homepage.html" target="content">HOMEPAGINA</a></dt>
<dt onmouseover="javascript:show('smenu2');" onmouseout="javascript:show();"><a href="historiek.html" target="content">HISTORIEK</a></dt>
<dt onmouseover="javascript:show('smenu3');" onmouseout="javascript:show();"><a href="#" target="content">WORKSHOPS</a></dt>
<dd id="smenu3" onmouseover="javascript:show('smenu3');" onmouseout="javascript:show();">
<ul>
<li><a href="#" target="content">Inhoud</a></li>
<li><a href="#" target="content">Overzicht</a></li>
<li><a href="#" target="content">Nieuw</a></li>
<li><a href="recept.html" target="content">Recepten</a></li>
</ul>
</dd>

<dt onmouseover="javascript:show('smenu4');" onmouseout="javascript:show();"><a href="fotos.html" target="content">FOTOS</a></dt>
<dt onmouseover="javascript:show('smenu5');" onmouseout="javascript:show();"><a href="#" target="content">INSCHRIJVINGEN</a></dt>
</dl>
<!-- END Menu -->
</td>
<td width="80%" heigth="100%">
<iframe name="content" src="x.htm" width="100%" height="900px" frameborder="0" class="iframe" scrolling=no></iframe>
</td>
</tr>
</table>


<table border="0" width="100%" heigth="100%">
<tr>
<td width="15%" heigth="100%" valign="top">d</td>
<td width="70%" heigth="100%">d</td>
<td width="15%" heigth="100%" valign="top">d</td>
</tr>
</table>


</div>
</body>
</html>
</html>