nicht angemeldet
Probier mal das hier
<style type="text/css">
html, body {
height: 100%;
margin: 0px;
}
</style>
<body><table border="1" height="100%">
<tr>
<td width="724" align="center" valign="middle"><form id="form1" name="form1" method="post" action="">
<label>
<input type="text" name="textfield" />
</label>
</form>
</td>
</tr>
</table>