Bug 313882 [Regression]pageoverflow plus pagebreakinternal shows different pdf pages in web viewer and preview
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/nLayout/area/impl/ContainerArea.java
if ( size > 0 )
		{
			return children.get( size - 1 );
		}
		return null;
	}
	public IArea getFirstChild( )
	{
		int size = children.size( );
		if ( size > 0 )
		{
			return children.get( 0 );
		}
		return null;
	}
	/**
	 * 	Reposition the table for RTL preserving margins.
	 * 
	 * @author bidi_hcg
	 */
	protected void flipPositionForRtl( )
	{
		if ( parent != null )
		{
			setAllocatedX( parent.getAllocatedWidth( ) - getAllocatedX( )
					- getAllocatedWidth( ) );
		}
	}
	protected static class SplitResult
	{