function checkMessageType( )
    {
      if( document.getElementsByName( "messageType" ).selectedIndex == 2 )
        {
            switchMessageType( 2 );
        }        
    }
    
    function switchMessageType( id )
    {
        if( id == "2" )
        {
            document.getElementById( "extra0" ).className = "tr_on";
            document.getElementById( "extra1" ).className = "tr_on";
            document.getElementById( "extra2" ).className = "tr_on";
            document.getElementById( "extra3" ).className = "tr_on";
            document.getElementById( "extra4" ).className = "tr_on";
        }
        else
        {
            document.getElementById( "extra0" ).className = "tr_off";
            document.getElementById( "extra1" ).className = "tr_off";
            document.getElementById( "extra2" ).className = "tr_off";
            document.getElementById( "extra3" ).className = "tr_off";
            document.getElementById( "extra4" ).className = "tr_off";
        }
        
        if (id > 1) {
          document.getElementById('messageType').style.backgroundColor = "#fff";
          document.getElementById('messageType').style.color = "#000";
        }
    }
    
    function abschliessen(name, formular) {
      switch (name) {
        case "product":
          nachfolgerID = "productFlavor";
          break;

        case "productFlavor":
          nachfolgerID = "productUnit";
          break;
      }
      if (document.getElementsByName(nachfolgerID)) {
        nachfolger = document.getElementsByName(nachfolgerID)[0];
        nachfolger.selectedIndex = 0;
      }
      formular.submit();
    }