* @return returns die sortierte Liste der Kindseiten
*/
public PageArrayList sortChildsByDateDescAndHeadlineAsc(String standardFieldDateTmpltElemName) throws RQLException {
// create comparator and sort in default order
StandardFieldDateDescAndHeadlineAscPageComparator comparator = new StandardFieldDateDescAndHeadlineAscPageComparator(
standardFieldDateTmpltElemName);
PageArrayList sortedChilds = getChildPages().sort(comparator);
// update cms
changeOrder(sortedChilds);