public ImageHandle getImage( String imagename ) throws ImageNotFoundException
	{
		for( int t = 0; t < getNumWorkSheets(); t++ )
		{
			try
			{
				ImageHandle[] r = getWorkSheet( t ).getImages();
				for( ImageHandle aR : r )
				{
					if( aR.getName().equals( imagename ) )
					{
						return aR;
					}
				}
			}
			catch( Exception ex )
			{
				;
			}
		}
		throw new ImageNotFoundException( "Image not found: " + imagename + " in " + toString() );
	}