diff --git a/install/static/ipa.js b/install/static/ipa.js
index d1558ee..900ca48 100644
--- a/install/static/ipa.js
+++ b/install/static/ipa.js
@@ -18,10 +18,6 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
 
-/* IPA JSON-RPC helper */
-
-var IPA_DEFAULT_JSON_URL = '/ipa/json';
-
 /* JSON-RPC ID counter */
 var ipa_jsonrpc_id = 0;
 
@@ -29,6 +25,8 @@ var IPA = function() {
 
     var that = {};
 
+    /* IPA JSON-RPC helper */
+    that.DEFAULT_JSON_URL = '/ipa/json';
     that.json_url = null;
     that.use_static_files = false;
 
@@ -192,7 +190,7 @@ function ipa_cmd(name, args, options, win_callback, fail_callback, objname)
     var url = IPA.json_url;
 
     if (!url)
-        url = IPA_DEFAULT_JSON_URL;
+        url = IPA.DEFAULT_JSON_URL;
 
     if (IPA.use_static_files)
         url += '/' + method_name + '.json';
@@ -240,9 +238,9 @@ function ipa_parse_qs(qs)
 }
 
 /* helper function used to retrieve information about an attribute */
-function ipa_get_param_info(obj_name, attr)
+function ipa_get_param_info(entity_name, attr)
 {
-    var ipa_obj = IPA.metadata[obj_name];
+    var ipa_obj = IPA.metadata[entity_name];
     if (!ipa_obj) return null;
 
     var takes_params = ipa_obj.takes_params;
@@ -258,9 +256,9 @@ function ipa_get_param_info(obj_name, attr)
 }
 
 /* helper function used to retrieve attr name with members of type `member` */
-function ipa_get_member_attribute(obj_name, member)
+function ipa_get_member_attribute(entity_name, member)
 {
-    var ipa_obj = IPA.metadata[obj_name];
+    var ipa_obj = IPA.metadata[entity_name];
     if (!ipa_obj) return null;
 
     var attribute_members = ipa_obj.attribute_members;