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  H3 = new Image();
  H3.src = 'buttons/loesung2.gif';
  N4 = new Image();
  N4.src = 'buttons/systembetreuung1.gif';
  H4 = new Image();
  H4.src = 'buttons/systembetreuung2.gif';
  N5 = new Image();
  N5.src = 'buttons/sicherheit1.gif';
  H5 = new Image();
  H5.src = 'buttons/sicherheit2.gif';
  N6 = new Image();
  N6.src = 'buttons/hardware1.gif';
  H6 = new Image();
  H6.src = 'buttons/hardware2.gif';
  N7 = new Image();
  N7.src = 'buttons/webhosting1.gif';
  H7 = new Image();
  H7.src = 'buttons/webhosting2.gif';
  N8 = new Image();
  N8.src = 'buttons/referenzen1.gif';
  H8 = new Image();
  H8.src = 'buttons/referenzen2.gif';
  N9 = new Image();
  N9.src = 'buttons/kontakt1.gif';
  H9 = new Image();
  H9.src = 'buttons/kontakt2.gif';
  N10 = new Image();
  N10.src = 'buttons/impressum1.gif';
  H10 = new Image();
  H10.src = 'buttons/impressum2.gif';

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