image_link_input_fields

		array(
			'thumbnail' => __( 'Thumbnail' ),
			'medium'    => __( 'Medium' ),
			'large'     => __( 'Large' ),
			'full'      => __( 'Full Size' ),
		)
	);

	if ( empty( $check ) ) {
		$check = get_user_setting( 'imgsize', 'medium' );
	}

	$out = array();

	foreach ( $size_names as $size => $label ) {
		$downsize = image_downsize( $post->ID, $size );
		$checked  = '';

		// Is this size selectable?
		$enabled = ( $downsize[3] || 'full' === $size );
		$css_id  = "image-size-{$size}-{$post->ID}";

		// If this size is the default but that's not available, don't select it.