$manual3_1=$W3->AddTextfield(
          -name => 'eingabe3_1',
          -width => 30,
          -height => 25,
          -left => 165,
          -top => 210,

          -text => 'A1v'
          -tabstop => 1,
          -disabled => 1,
          -visible => 1 );
        $manual3_1->Enable();