function ChangeLanguageEn()
{
 Filename=top.Main.document.URL;
 NewURL=Filename.replace(/de/i,"eng");
 top.Main.document.URL=NewURL;

 Filename=top.Bottom.document.URL;
 NewURL=Filename.replace(/de/i,"eng");
 top.Bottom.document.URL=NewURL;
}

function ChangeLanguageDe()
{
 Filename=top.Main.document.URL;
 NewURL=Filename.replace(/eng/i,"de");
 top.Main.document.URL=NewURL;

 Filename=top.Bottom.document.URL;
 NewURL=Filename.replace(/eng/i,"de");
 top.Bottom.document.URL=NewURL;
}

if (top.frames.length > 0)
{
Filename=top.Main.document.URL.toLowerCase();
if (Filename.indexOf("/de/")>-1)
{
 ChgText="This page in english";
 document.write('<a href="javascript:ChangeLanguageEn()">'+ChgText+'</a>');
}
if (Filename.indexOf("/eng/")>-1)
{
 ChgText="Diese Seite auf Deutsch"
 document.write('<a href="javascript:ChangeLanguageDe()">'+ChgText+'</a>');
}
}