Fixes for bug 70348 - autoconfig feature

r = bnesse, sr=alecf and a=dbaron

suite/common/utilityOverlay.js

@@ -61,19 +61,16 @@ function setOfflineUI(offline)
 
   //Checking for a preference "network.online", if it's locked, disabling 
   // network icon and menu item
-  try {
-      var prefService = Components.classes["@mozilla.org/preferences-service;1"];
-      prefService = prefService.getService();
-      prefService = prefService.QueryInterface(Components.interfaces.nsIPrefService);
-      
-      var prefBranch = prefService.getBranch(null);
-      
-      var offlineLocked = prefBranch.prefIsLocked("network.online"); 
-      
-      if (offlineLocked ) {
-          broadcaster.setAttribute("disabled","true");
-      }
-  } catch(e) {
+  var prefService = Components.classes["@mozilla.org/preferences-service;1"];
+  prefService = prefService.getService();
+  prefService = prefService.QueryInterface(Components.interfaces.nsIPrefService);
+  
+  var prefBranch = prefService.getBranch(null);
+  
+  var offlineLocked = prefBranch.prefIsLocked("network.online"); 
+  
+  if (offlineLocked ) {
+      broadcaster.setAttribute("disabled","true");
   }
 
   var bundle = srGetStrBundle("chrome://communicator/locale/utilityOverlay.properties");