Bug 390669 [Accessibility]Press 'Tab' doesn't focus on the next report item when adding relative period aggregation.
xtab/org.eclipse.birt.report.item.crosstab.ui/src/org/eclipse/birt/report/item/crosstab/internal/ui/dialogs/CrosstabBindingDialogHelper.java
}
					}
				}
				for ( int i = 0; i < infos.size( ); i++ )
				{
					IArgumentInfo info = infos.get( i );
					IArgumentLayout argLayout = argLayouts.get( i );
					int layoutHint = argLayout.getLayoutHint( );
					final List<Period_Type> types = info.getPeriodChoices( );
					final String name = info.getName( );
					final String displayName = info.getDisplayName( );
					Label lblParam = null;
					if ( IArgumentLayout.ALIGN_BLOCK == layoutHint )
					{
						createPeriodLabelPart( lblParam, displayName, false );
						createPeriodPart( name, types, 4 );
					}
					else if ( IArgumentLayout.ALIGN_INLINE_BEFORE == layoutHint )
					{
						createPeriodLabelPart( lblParam, displayName, false );
						createPeriodPart( name, types, 1 );
					}
					else if ( IArgumentLayout.LIGN_INLINEL_AFTER == layoutHint )
					{
						createPeriodPart( name, types, 1 );
						createPeriodLabelPart( lblParam, displayName, true );
					}
					else if ( IArgumentLayout.ALIGN_INLINE_NONE == layoutHint )
					{
						createPeriodPart( name, types, 2 );