window.addEvent('domready', function() {
  
  //header
  var field = $('search');
  field.addEvent('click', function() {
    if(field.get('value') == 'Stichwort oder Artikelnummer eingeben') {
      field.set('value', '');
    }
  });

  field.addEvent('blur', function() {
    if(field.get('value') == '') {
      field.set('value', 'Stichwort oder Artikelnummer eingeben');
    }
  });

  //sidebar
  var fieldSidebar = $('searchSidebar');
  fieldSidebar.addEvent('click', function() {
    if(fieldSidebar.get('value') == 'Blog durchsuchen ...') {
      fieldSidebar.set('value', '');
    }
  });

  fieldSidebar.addEvent('blur', function() {
    if(fieldSidebar.get('value') == '') {
      fieldSidebar.set('value', 'Blog durchsuchen ...');
    }
  });

});