prøv at se om dette ikke løser dit problem
<html>
<head>
<meta name="GENERATOR" content="Microsoft FrontPage 5.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252"><style>
body,html{
margin:0px;
padding:0px;
height:100%;
}
</style>
</head>
<body>
<table style="width: 100%;height:100%;" cellpadding="0" cellspacing="0">
<tr>
<td style="height:90px;"><script type="text/javascript"><!--
google_ad_client = "pub-7104991257238878";
google_alternate_ad_url = "
http://www.thegame-online.dk/google_adsense_script.htm";google_ad_width = 728;
google_ad_height = 90;
google_ad_format = "728x90_as";
google_ad_type = "text_image";
google_ad_channel ="2110003788";
google_color_border = "FBFCEE";
google_color_bg = "FBFCEE";
google_color_link = "0000FF";
google_color_text = "000000";
google_color_url = "008000";
//--></script>
<script type="text/javascript"
src="
http://pagead2.googlesyndication.com/pagead/show_ads.js"></script></td>
</tr>
<tr>
<td style="height:100%;"><iframe src="
http://www.thegame-online.de/chat/flashchat.php"scrolling="yes" width="100%" height="100%" frameborder="0" allowtransparency="true" cellpadding="0"></iframe></td>
</tr>
</table>
</body>
</html>