... genau das wollte ich eben zu _dir_ sagen. ;)
Kein problem ;)
Ich poste mal die ganze Seite zum Testen:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
</head>
<body style="margin: 0px; height: 100%;">
<p>sdfsd</p><p>f</p><p>sdf</p><p>sdf</p><p>sd</p><p>fs</p><p>df</p><p>sd</p><p>f</p>
<div onclick="HideImage();" style="position: absolute; top: 0px; left: 0px; width: 100%; height: 100%; background-color: #CCCCCC;">
<table style="width: 100%; height: 100%; text-align: center; vertical-align: middle;">
<tr><td><img src="http://www.google.de/intl/de_de/images/logo.gif" alt=""/></td></tr>
</table>
</div>
<p>sdfsd</p><p>f</p><p>sdf</p><p>sdf</p><p>sd</p><p>fs</p><p>df</p><p>sd</p><p>f</p>
<p>sd</p><p>fd</p><p>sf</p><p>sd</p><p>f</p><p>sd</p><p>fd</p><p>sf</p><p>sd</p><p>f</p>
<p>sdf</p><p>ds</p><p>f</p><p>dsf</p><p>sd</p><p>f</p><p>dsf</p>
</body>
</html>