1 files changed, 7 insertions, 4 deletions
diff --git a/www/js/shows.js b/www/js/shows.js
index 2ab1af1..764e0c4 100644
--- a/www/js/shows.js
+++ b/www/js/shows.js
@@ -20,15 +20,18 @@
  *  along with rhwebimport. If not, see <http://www.gnu.org/licenses/>.
  */
 
+'use strict';
+
+var Rivendell = Rivendell || {};
+
 var rivendell = null;
-var shows_currentid;
+var shows_currentid = null;
 var shows_list = [];
 var shows_current;
 var shows_group_carts = {};
 var shows_log_carts = [];
 var shows_clock;
 
-
 function shows_deleteCart(cart) {
   rivendell.removeCart(cart, function() {
     shows_updateGroupCartInfo(cart);
@@ -92,7 +95,7 @@ function shows_importCartConfirm(cart, dz) {
   cart_row.replaceWith(importing_row);
 
   dz.off("error");
-  files = dz.getAcceptedFiles();
+  var files = dz.getAcceptedFiles();
   importing_row.find('.file-name').text(files[0].name);
   shows_importUpdateProgress(files[0], importing_row);
   dz.on("uploadprogress", function(file) { shows_importUpdateProgress(file, importing_row); });
@@ -336,7 +339,7 @@ function shows_init() {
 function shows_cleanup() {
   $('#show-carts tbody').find('tr').remove();
   sessionStorage.removeItem("shows_currentid");
-  delete shows_currentid;
+  shows_currentid = null;
   shows_list = [];
   shows_group_carts = {};
   shows_log_carts = [];