jQuery(function($){

	$( 'body' ).bind( 'click.wp-gallery', function(e){

		var target = $( e.target ), id, img_size;

		if ( target.hasClass( 'wp-set-header' ) ) {

			( window.dialogArguments || opener || parent || top ).location.href = target.data( 'location' );

			e.preventDefault();

		} else if ( target.hasClass( 'wp-set-background' ) ) {

			id = target.data( 'attachment-id' );

			img_size = $( 'input[name="attachments[' + id + '][image-size]"]:checked').val();

			jQuery.post(ajaxurl, {

				action: 'set-background-image',

				attachment_id: id,

				size: img_size

			}, function(){

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

				win.tb_remove();

				win.location.reload();

			});

			e.preventDefault();

		}

	});

});