function WPSetAsThumbnail(id, nonce){

	var $link = jQuery('a#wp-post-thumbnail-' + id);

	$link.text( setPostThumbnailL10n.saving );

	jQuery.post(ajaxurl, {

		action:"set-post-thumbnail", post_id: post_id, thumbnail_id: id, _ajax_nonce: nonce, cookie: encodeURIComponent(document.cookie)

	}, function(str){

		var win = window.dialogArguments || opener || parent || top;

		$link.text( setPostThumbnailL10n.setThumbnail );

		if ( str == '0' ) {

			alert( setPostThumbnailL10n.error );

		} else {

			jQuery('a.wp-post-thumbnail').show();

			$link.text( setPostThumbnailL10n.done );

			$link.fadeOut( 2000 );

			win.WPSetThumbnailID(id);

			win.WPSetThumbnailHTML(str);

		}

	}

	);

}