- fix for shift key use without shift_start on the list

program/js/list.js

@@ -398,6 +398,9 @@ select_next: function()
  */
 shift_select: function(id, control)
 {
+  if (!this.rows[this.shift_start])
+    this.shift_start = id;
+
   var from_rowIndex = this.rows[this.shift_start].obj.rowIndex;
   var to_rowIndex = this.rows[id].obj.rowIndex;