if(navigator.appName=="Microsoft Internet Explorer")
{
  <!-- MouseTasten
  document.onmousedown=MsMouseTaste
  function MsMouseTaste()  {if (event.button==2 | event.button==3) {MSmeldung();return false;};}
  function MSmeldung()
  {
    if(confirm('Do you like the source code ?')) 
    {
      alert("Sorry, only look don't touch !");
    }
    return true;
  }
  // -->
}
else
{
    if(navigator.appName=="Netscape" && document.layers)
    {
        <!-- MouseTasten
        window.captureEvents(Event.MOUSEDOWN);window.onmousedown=NcMouseTaste;

        function NcMouseTaste(e) {if (e.which == 2 | e.which == 3) {NCmeldung();return false;};}

        function NCmeldung()
        {
          if(confirm('Do you like the source code ?')) 
          {
            alert("Sorry, only look don't touch !");
          }
        return true;
        }
        // -->
    }
    else
    {
    }
}