window.addEvent('domready', function(windowEv) {
  var searchfield = $('searchWord');
  searchfield.addEvent('click', function() {
    if(this.get('value') == 'Ihr Suchbegriff')
    {
      this.set('value', '');
    }
    else if(this.get('value') == '')
    {
      this.set('value', 'Ihr Suchbegriff');
    }
  });

  searchfield.addEvent('blur', function() {
    if(this.get('value') == '')
    {
      this.set('value', 'Ihr Suchbegriff');
    }
  });
});