Also bei mir klappt es mit dem IE6 und FF2. Wie es allerdings mit dem IE7 aussieht, kann ich nicht sagen.
Hier nochmal der geänderte Code - (Änderung in rot). Dank BcF habe ich nun die position:absolute gewählt. Was ein besseres Ergebnis bring.
<html>
<head>
<title>Unbenanntes Dokument</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<script language="JavaScript" type="text/JavaScript">
<!--
function MM_preloadImages() { //v3.0
var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_swapImgRestore() { //v3.0
var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_findObj(n, d) { //v4.01
var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->
</script>
<script language="JavaScript" type="text/JavaScript">
<!--
function MM_reloadPage(init) { //reloads the window if Nav4 resized
if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
//-->
</script>
</head>
<body bgcolor="#FFFFFF" background="hinter.jpg" leftmargin="0" topmargin="0" marginwidth="0" marginheight="0" onLoad="MM_preloadImages('../Buttons/news2.jpg','../Buttons/about2.jpg','../Buttons/wall2.jpg','../Buttons/con2.jpg','../Buttons/guest2.jpg','../Buttons/links2.jpg','buttons/homeroll2.jpg','buttons/about3.jpg','buttons/Links3.jpg','buttons/fun3.jpg','buttons/chat2.jpg','buttons/pix2.jpg','buttons/dunit2.jpg')">
<div style="top: 50%; left: 50%; width: 770px; height: 340px; margin-top: -170px; margin-left: -385px; position: absolute;">
<table width="770" height="340" border="0,1" cellpadding="0" cellspacing="0">
<tr>
<td width="770" height="320" nowrap ><IFrame name="inframe" frameborder="0" width="770" height="320" scrolling="yes" src="home.htm" style="filter:chroma(color=#FFAAFF)"></IFrame></td>
</tr><tr>
<td height="20"><div align="left"><a href="home.html" target="inframe" onMouseOver="MM_swapImage('Image9','','buttons/home2.jpg',1)" onMouseOut="MM_swapImgRestore()"><img src="buttons/home.jpg" name="Image9" width="110" height="20" border="0"></a><a href="dunit.htm" target="inframe" onMouseOver="MM_swapImage('Image11','','buttons/home2.jpg',1)" onMouseOut="MM_swapImgRestore()"><img src="buttons/home.jpg" name="Image11" width="110" height="20" border="0"></a><a href="pixlinks.htm" target="inframe" onMouseOver="MM_swapImage('Image8','','buttons/home2.jpg',1)" onMouseOut="MM_swapImgRestore()"><img src="buttons/home.jpg" name="Image8" width="110" height="20" border="0"></a><img src="buttons/home.jpg" name="Image12" width="110" height="20" border="0"><a href="fun/funlinkz.htm" target="inframe" onMouseOver="MM_swapImage('Image10','','buttons/home2.jpg',1)" onMouseOut="MM_swapImgRestore()"><img src="buttons/home.jpg" name="Image10" width="110" height="20" border="0"></a><a href="Aboutme.htm" target="inframe" onMouseOver="MM_swapImage('Image15','','buttons/home2.jpg',1)" onMouseOut="MM_swapImgRestore()"><img src="buttons/home.jpg" name="Image15" width="110" height="20" border="0"></a><a href="chat.htm" target="inframe" onMouseOver="MM_swapImage('Image13','','buttons/home2.jpg',1)" onMouseOut="MM_swapImgRestore()"><img src="buttons/home.jpg" name="Image13" width="110" height="20" border="0"></a></div></td>
</table>
</div>
<center>
</center>
</body>
</html>
Edit: Position Absolute mit reingebracht. Vorher gab es bei unterschiedlichen Auflösungen Probleme. (Dank an BcF). Ps.: Ich arbeite gerade an einem Projekt, in der ich das gleiche Problem hatte.