1 files changed, 13 insertions, 1 deletions
diff --git a/install/ui/jquery.ordered-map.js b/install/ui/jquery.ordered-map.js
index ea61b954..f30f8d13 100755
--- a/install/ui/jquery.ordered-map.js
+++ b/install/ui/jquery.ordered-map.js
@@ -44,7 +44,7 @@ jQuery.ordered_map = jQuery.fn.ordered_map = function() {
 
     that.remove = function(key) {
 
-        var i = that.keys.indexOf(key);
+        var i = that.get_key_index(key);
         if (i<0) return null;
 
         that.keys.splice(i, 1);
@@ -63,5 +63,17 @@ jQuery.ordered_map = jQuery.fn.ordered_map = function() {
         that.length = that.keys.length;
     };
 
+    that.get_key_index = function(key) {
+        return that.keys.indexOf(key);
+    };
+
+    that.get_key_by_index = function(index) {
+        return that.keys[index];
+    };
+
+    that.get_value_by_index = function(index) {
+        return that.values[index];
+    };
+
     return that;
 };