diff --git a/includes/js/backstretch-set.js b/includes/js/backstretch-set.js
index ed5eb4f..e074d99 100644
--- a/includes/js/backstretch-set.js
+++ b/includes/js/backstretch-set.js
@@ -1,5 +1,7 @@
-jQuery(document).ready(function($) {
+( function ( document, $, undefined ) {
+	'use strict';
 
-	$(".big-leader").css({'height':($(window).height())-([BackStretchVars.height])+'px'});
-	$(".big-leader").backstretch([BackStretchVars.src],{'fade':750});
-});
\ No newline at end of file
+	$( '.big-leader' ).css( { 'height': ( $(window).height() ) - ([BackStretchVars.height]) + 'px' });
+	$( '.big-leader' ).backstretch( [BackStretchVars.src], { 'fade':750 } );
+
+})( this, jQuery );