--- a/client/js/defaults.js	Thu Oct 24 19:00:50 2013 +0200
+++ b/client/js/defaults.js	Fri Oct 25 01:20:25 2013 +0200
@@ -30,6 +30,8 @@
     force_resize: false,
     allow_double_click: true,
         /* Allows Double Click to create a node on an empty background */
+    zoom_on_scroll: true,
+        /* Allows to use the scrollwheel to zoom */
     element_delete_delay: 0,
         /* Delay between clicking on the bin on an element and really deleting it
            Set to 0 for delete confirm */