Si sirve de algo hay también esto:
Código HTML:
<script>
var strTop = ("" + top.location);
strTop = strTop.substring( 7 );
strTop = strTop.substring( 0, strTop.indexOf( "/" ) );
if( strTop != "www.otraweb.com" && strTop != "www2.otraweb.com" && strTop != "www3.otraweb.com" && strTop != "www4.otrawebs.com" && strTop != "www5.otraweb.com" && strTop != "www6.otraweb.com" && strTop != "www7.otraweb.com" && strTop != "www8.otraweb.com" && strTop != "www10.otraweb.com" && strTop != "www11.otraweb.com" && strTop != "www12.otraweb.com" && strTop != "www15.otraweb.com" && strTop != "www16.otraweb.com" && strTop != "www17.otraweb.com" && strTop != "www18.otraweb.com" && strTop != "www19.otraweb.com" && strTop != "www20.otraweb.com" && strTop != "www21.otraweb.com" && strTop != "www22.otraweb.com" && strTop != "www.otraweb.dk" )
{
top.location.href = "http://www.otraweb.com";
}
</script>
</head>
<frameset rows="1,*" border="0">
<frame name="command" src="about:blank" noresize="true">
<frame name="content" src="http://www12.otraweb.com/index.asp" noresize="true">
<noframes>
You need a browser that supports frames - Microsoft Internet Explorer can be downloaded here: <a href="http://www.microsoft.com/windows/ie/">http://www.microsoft.com/windows/ie/</a><br>
<br>
If you use a mobile device you can access the site here:<br>
<a href="http://www2.otraweb.com/index.asp">http://www2.otraweb.com/index.asp</a>
</noframes>
</frameset>