*
* @return the master sheet associated with this slide.
*/
public MasterSheet getMasterSheet(){
SlideMaster[] master = getSlideShow().getSlidesMasters();
SlideAtom sa = getSlideRecord().getSlideAtom();
int masterId = sa.getMasterID();
MasterSheet sheet = null;
for (int i = 0; i < master.length; i++) {
if (masterId == master[i]._getSheetNumber()) {
sheet = master[i];
break;