fix error

modules/ad_banner/_ad_banner_widget2_video.html.erb

@@ -94,7 +94,7 @@
   })
 if (typeof onYouTubeIframeAPIReady !== 'function'){
   $(document).ready(function() {
-    $(document).delegate(".jarallax-video-audio",'touchstart click',function(){
+    $(document).on('touchstart click mousedown',".jarallax-video-audio",function(){
       $(this).trigger('click');
     });
   });