Fix for Bug 182642: Title of the "Available Profiles" listbox can be

deleted with the "Delete Profile" button
r=jag, sr=alecf

profile/resources/content/profileManager.js

@@ -201,21 +201,25 @@ function DeleteProfile( deleteFiles )
   var profileList = document.getElementById("profiles");
   if (profileList.selectedItems && profileList.selectedItems.length) {
     var selected = profileList.selectedItems[0];
-    var firstAdjacent = selected.previousSibling;
     var name = selected.getAttribute("rowName");
+    var previous = profileList.getPreviousItem(selected, 1);
+
     try {
       profile.deleteProfile(name, deleteFiles);
       profileList.removeChild(selected);
+
+      if (previous) {
+        profileList.selectItem(previous);
+        profileList.ensureElementIsVisible(previous);
       }
-    catch (ex) {
-    }
-    if( firstAdjacent ) {
-      profileList.selectItem( firstAdjacent );
-      profileList.ensureElementIsVisible( firstAdjacent );
-    }
+
       // set the button state
       DoEnabling();
     }
+    catch (ex) {
+      dump("Exception during profile deletion.\n");
+    }
+  }
 }
 
 function ConfirmMigrateAll()