document.writeln('<SCRIPT LANGUAGE="JavaScript" TYPE="text/javascript">') ;
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      document.writeln('window.captureEvents(Event.MOUSEDOWN | Event.MOUSEUP)');
      document.writeln('window.onmousedown=rightclick;');
      document.writeln('window.onmouseup=rightclick;');
      document.writeln('function rightclick(e) {');
      document.writeln('if (e.which == 3) {');
      document.writeln('alert("Sorry: Diese Taste ist hier deaktiviert.");');
      document.writeln(' '); 
      document.writeln(' ');
      document.writeln('return false;');
      document.writeln(' ');
      document.writeln('}');
      document.writeln('else {');
      document.writeln('return true;');
      document.writeln('}');
      document.writeln('}');
      document.writeln('}');
      document.writeln('if (document.all) {');
      document.writeln('function click() {');
      document.writeln('if (event.button==2) {');
      document.writeln('alert("Sorry: Diese Taste ist hier deaktiviert.")');
      document.writeln('}');
      document.writeln('if (event.button==3) {');
      document.writeln('alert("Sorry: Diese Taste ist hier deaktiviert.") }');
      document.writeln('}');
      document.writeln('document.onmousedown=click');
      document.writeln('}');
      document.writeln('</script>');