if ( fileName.endsWith( IMAGE_TYPES[i] ) )
if ( fileName.toLowerCase( ).endsWith( IMAGE_TYPES[i] ) )
	private boolean checkExtensions( String fileName )	{		for ( int i = 0; i < IMAGE_TYPES.length; i++ )		{			if ( fileName.endsWith( IMAGE_TYPES[i] ) )			{				return true;			}		}		return false;	}