+    }
+
+    function handle_changed_text(callbacks) {
+      $.ajax({
+        url: 'controller.pl?action=Chart/ajax_autocomplete',
+        dataType: "json",
+        data: $.extend( ajax_data($dummy.val()), { prefer_exact: 1 } ),
+        success: function (data) {
+          if (data.length == 1) {
+            set_item(data[0]);
+            if (callbacks && callbacks.match_one) callbacks.match_one(data[0]);
+          } else if (data.length > 1) {
+            state = STATES.UNDEFINED;
+            if (callbacks && callbacks.match_many) callbacks.match_many(data);
+          } else {
+            state = STATES.UNDEFINED;
+            if (callbacks &&callbacks.match_none) callbacks.match_none();
+          }
+          annotate_state();
+        }
+      });
+    }