$(document).ready(function() { 
    // $('#content *').replaceText( /\bHauck\b/gi, 'HAUCK' );
    $('#content').find(':not(a)')
    .replaceText( /\bHauck\b/gi, 'HAUCK' );
    $('#content').find(':not(a)')
    .replaceText( /\b@haerterei-HAUCK.de\b/gi, '@haerterei-hauck.de' );
  });