var browser, c, vnum, brin, ie, nc, nc4, nc6, op, ie4;
        ie=false; nc=false; nc4=false; nc6=false; op=false;
        c=navigator.appVersion;
        vnum=c.charAt(22)+c.charAt(23)+c.charAt(24);
        browser=navigator.userAgent;
        brin=browser.indexOf ("Opera");
        opver=navigator.appVersion.charAt(0);

               if (navigator.appName=='Netscape' && navigator.appVersion.charAt(0)>='4' && brin<=-1)
                     {
                             if (navigator.appVersion.charAt(0)>='5' )    // NC6
                             {
                                nc=true;
                                nc6=true;
                             }
                             else                                        // NC4
                             {
                                nc=true;
                                nc4=true;
                               }
                }
                   if (navigator.appName=='Netscape' && navigator.appVersion.charAt(0)>='4' && brin>-1)   // Opera
                   {
                        op=true;
                   }
                 if (navigator.appName=='Microsoft Internet Explorer' && navigator.appVersion.charAt(0)>='4' && brin<=-1)
                 {
                        ie=true;
                 }

                    if (navigator.appName=='Microsoft Internet Explorer' && navigator.appVersion.charAt(0)>='3' && brin>-1)   // Opera
                 {
                        op=true;
                 }

        function dcheck ( )                           // Browserauswahl für Deutsch
        {
                        if (ie==true || nc6==true || op==true)
                                  {
                                        if (nc6==true)        // Netscape6 und Mozilla
                                        {
                                           window.location.href="index1.html";
                                        }
                                        if (op==true)         // Opera ab Version 5
                                        {
                                           window.location.href="index1.html";
                                        }
                                        if (ie==true)         // MS InternetExplorer
                                        {
                                           window.location.href="index1.html";
                                        }
                                  }
                           else
                                  {
                                    window.location.href="index1.html";
                                  }
        }