Update gallery.js

app/assets/javascripts/gallery.js

@@ -16,6 +16,7 @@ function form_submit() {
     var length_upload
     var count_upload
     var send_start
+    if (temp_length>1){
         $( 'form#fileupload' ).ajaxSuccess(function() {
             if (typeof length_upload == "undefined"){
               count_upload = 1
@@ -39,6 +40,7 @@ function form_submit() {
         		})
             }
         });
+    }
 }
 function form_only_one_submit() {
     var temp_length = 1