Strange Website problem (Firefox)!

I made website www.zone.ee/korangar
(at the start host puts addvertisments just click link again!)

Ok for some reason if you look it with Firefox it looks really strange!

This html file:

<!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” xml:lang=“en” lang=“en”>
<head>
<meta http-equiv=“Content-Type” content=“text/html; charset=iso-8859-1” />
<title>===RAGNAROK===</title>
<style type=“text/css”>
<!–
body {
height: 100%;
width: 100%;
margin: 0;
}
–>
</style>
</head>
<body bgcolor="#000000">
<!–url’s used in the movie–>
<!–text used in the movie–>
<object classid=“clsid:d27cdb6e-ae6d-11cf-96b8-444553540000” codebase=“http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0” width=“100%” height=“100%” id=“Main” align=“middle”>
<param name=“allowScriptAccess” value=“sameDomain” />
<param name=“movie” value=“Main.swf” />
<param name=“quality” value=“high” />
<param name=“scale” value=“noscale” />
<param name=“bgcolor” value="#000000" />
<embed src=“Main.swf” quality=“high” scale=“noscale” bgcolor="#000000" width=“100%” height=“100%” name=“Main” align=“middle” allowScriptAccess=“sameDomain” type=“application/x-shockwave-flash” pluginspage=“http://www.macromedia.com/go/getflashplayer” />
</object>
</body>
</html>