Попробуй приладить этот "хромлесс". Я его подсмотрел на
Недостатки - если у XP включены/выключены стили отображения окон/папок, то получаются разные размеры окна хромлесс

Код:
<HTML>
<HEAD>
<meta http-equiv=Content-Type content="text/html;charset=windows-1251">
<script language=JavaScript>
<!--
function chromeless(u,n,W,H,X,Y,wNS,fSO,brd,min,tsz){
var s=",width="+W+",height="+H;
//var s=",width="+W+",height="+H;
var CWIN=window.open(u,n,wNS+s,true);
//var CWIN=window.open(u,n,wNS+s,true);
CWIN.moveTo(X,Y);
//CWIN.focus();
//CWIN.setURL=function(u) { if (this && !this.closed) { if (this.frames.main) this.frames.main.location.href=u; else this.location.href=u } }
//CWIN.closeIT=function() { if (this && !this.closed) this.close() }
//return CWIN;
}
//
function openIT(u, W, H, X, Y, n, b, x, m, r) {
var wNS = 'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0';
var fSO = 'scrolling=auto noresize';
var brd = b || 5;
var max = x || false;
var min = m || false;
var res = r || false;
var tsz = 20;
return chromeless(u,n,W,H,X,Y,wNS,fSO,brd,min,tsz);
}
var platform;
var browser;
var version;
version = parseInt(navigator.appVersion);
if (navigator.userAgent.indexOf('Win') == -1) {
platform = "Macintosh";
} else {
platform = "Windows";
}
if (navigator.appName.indexOf('Netscape') == -1) {
browser = "IE";
} else {
browser = "Netscape";
}
//
function openLoader(url) {
var winl = (window.screen.availWidth-250)/2;
var wint = (window.screen.availHeight-100)/2;
if ((platform == 'Windows') && (browser == 'IE')) {
openIT(url,screen.availWidth,screen.availHeight+28,-5,-23,'top',5,false,false,true);
var sw = window.screen.availWidth;
var sh = window.screen.availHeight;
var w = screen.availwidth+10;//250;
var h = screen.height;//100;
//win.resizeTo(w, h);
//top.window.resizeTo(w, h);
window.opener = top;
//window.close();
//win.moveTo((sw-w)/2, (sh-h)/2);
//top.moveTo(-0, -0);
} else {
if ((platform == 'Windows') && (browser == 'Netscape')) {
var nw = window.screen.availWidth;
window.open(url, 'top' );
window.opener = top;
//window.close();
} else {
window.open(url, 'top');
//top.window.resizeTo(250, 100);
//top.moveTo(winl, wint);
//top.window.resizeTo(window.screen.availWidth, window.screen.availHeight);
}
}
self.blur();
}
//-->
</script>
</HEAD>
<BODY>
<!-- Flash 7 ActiveX Object -->
<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
codebase="/intensiv/misc/swflash.cab#version=7,0,0,0"
WIDTH="100%" HEIGHT="100%" id="login" standby="Loading in progress...">
<PARAM NAME=movie VALUE="%%login_swf%%">
<PARAM NAME=loop VALUE=false>
<PARAM NAME=menu VALUE=true>
<PARAM NAME=quality VALUE=autohigh>
<PARAM NAME=scale VALUE=noscale>
<PARAM NAME=wmode VALUE=transparent> <!-- Opaque -->
<!-- <PARAM NAME=align VALUE=B> -->
<!-- <PARAM NAME=salign VALUE=RT> -->
<PARAM NAME=bgcolor VALUE="#666666">
<EMBED src="%%login_swf%%" loop=false menu=false quality=autolow salign=T bgcolor=#666666
WIDTH="100%" HEIGHT="100%" NAME="index" ALIGN="top" TYPE="application/x-shockwave-flash"
PLUGINSPAGE="http://www.macromedia.com/go/getflashplayer"></EMBED>
</OBJECT>
</BODY>
</HTML>