diff --git a/OpenSim/Region/Framework/Scenes/EventManager.cs b/OpenSim/Region/Framework/Scenes/EventManager.cs
index a4a1abc551..c50082d2f1 100644
--- a/OpenSim/Region/Framework/Scenes/EventManager.cs
+++ b/OpenSim/Region/Framework/Scenes/EventManager.cs
@@ -469,7 +469,21 @@ namespace OpenSim.Region.Framework.Scenes
         {
             handlerOnAttach = OnAttach;
             if (handlerOnAttach != null)
-                handlerOnAttach(localID, itemID, avatarID);
+            {
+                foreach (Delegate d in handlerOnAttach.GetInvocationList())
+                {
+                    try
+                    {
+                        d(localID, itemID, avatarID);
+                    }
+                    catch (Exception e)
+                    {
+                        m_log.ErrorFormat(
+                            "[EVENT MANAGER]: Delegate for TriggerOnAttach failed - continuing.  Error was {0} {1}", 
+                            e.Message, e.StackTrace);
+                    }
+                }
+            }
         }
 
         public void TriggerGetScriptRunning(IClientAPI controllingClient, UUID objectID, UUID itemID)
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index d7f9bbb3a4..d012d3e9a3 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -113,6 +113,15 @@ namespace OpenSim.Region.Framework.Scenes
         
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
+        /// <value>
+        /// Is this sop a root part?
+        /// </value>
+        [XmlIgnore]
+        public bool IsRoot 
+        {
+           get { return ParentGroup.RootPart == this; } 
+        }
+
         // use only one serializer to give the runtime a chance to optimize it (it won't do that if you
         // use a new instance every time)
         private static XmlSerializer serializer = new XmlSerializer(typeof (SceneObjectPart));