diff --git a/OpenSim/Region/Framework/Interfaces/IScriptModule.cs b/OpenSim/Region/Framework/Interfaces/IScriptModule.cs
index 0d488dffd7..cbaf24139d 100644
--- a/OpenSim/Region/Framework/Interfaces/IScriptModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IScriptModule.cs
@@ -75,6 +75,8 @@ namespace OpenSim.Region.Framework.Interfaces
         /// <param name="itemID">The item ID of the script.</param>
         bool GetScriptState(UUID itemID);
 
+        void SetRunEnable(UUID instanceID, bool enable);
+
         void SaveAllState();
 
         /// <summary>
diff --git a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
index e4132817ac..9ff8467086 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
@@ -2143,10 +2143,24 @@ namespace OpenSim.Region.Framework.Scenes
             if (part == null)
                 return;
 
+            IScriptModule[] engines = RequestModuleInterfaces<IScriptModule>();
+
             if (running)
+            {
+                foreach (IScriptModule engine in engines)
+                {
+                    engine.SetRunEnable(itemID, true);
+                }
                 EventManager.TriggerStartScript(part.LocalId, itemID);
+            }
             else
+            {
+                foreach (IScriptModule engine in engines)
+                {
+                    engine.SetRunEnable(itemID, false);
+                }
                 EventManager.TriggerStopScript(part.LocalId, itemID);
+            }
         }
 
         public void GetScriptRunning(IClientAPI controllingClient, UUID objectID, UUID itemID)
diff --git a/OpenSim/Region/ScriptEngine/Interfaces/IScriptInstance.cs b/OpenSim/Region/ScriptEngine/Interfaces/IScriptInstance.cs
index b04f6b6624..ec13b6cc01 100644
--- a/OpenSim/Region/ScriptEngine/Interfaces/IScriptInstance.cs
+++ b/OpenSim/Region/ScriptEngine/Interfaces/IScriptInstance.cs
@@ -63,6 +63,16 @@ namespace OpenSim.Region.ScriptEngine.Interfaces
         /// </summary>
         bool Running { get; set; }
 
+        /// <summary>
+        /// Gets or sets a value indicating whether this
+        /// <see cref="OpenSim.Region.ScriptEngine.Interfaces.IScriptInstance"/> is run.
+        /// For viewer script editor control
+        /// </summary>
+        /// <value>
+        /// <c>true</c> if run; otherwise, <c>false</c>.
+        /// </value>
+        bool Run { get; set; }
+
         /// <summary>
         /// Is the script suspended?
         /// </summary>
diff --git a/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs b/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
index 5dfe58e2f9..306090e60c 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
@@ -120,6 +120,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
 
         public bool Running { get; set; }
 
+        public bool Run { get; set; }
+
         public bool Suspended
         {
             get { return m_Suspended; }
@@ -215,6 +217,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
             m_postOnRez = postOnRez;
             m_AttachedAvatar = part.ParentGroup.AttachedAvatar;
             m_RegionID = part.ParentGroup.Scene.RegionInfo.RegionID;
+            Run = true;
 
             if (part != null)
             {
@@ -359,6 +362,9 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
 
             if (m_startedFromSavedState) 
             {
+                if (!Run)
+                    return;
+
                 Start();
                 if (m_postOnRez) 
                 {
@@ -391,6 +397,9 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
             }
             else 
             {
+                if (!Run)
+                    return;
+
                 Start();
                 PostEvent(new EventParams("state_entry",
                                           new Object[0], new DetectParams[0]));
diff --git a/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptSerializer.cs b/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptSerializer.cs
index bcdc7bf5dd..797bce3ce1 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptSerializer.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptSerializer.cs
@@ -55,6 +55,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
         public static string Serialize(ScriptInstance instance)
         {
             bool running = instance.Running;
+            bool enabled = instance.Run;
 
             XmlDocument xmldoc = new XmlDocument();
 
@@ -77,6 +78,12 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
 
             rootElement.AppendChild(run);
 
+            XmlElement run_enable = xmldoc.CreateElement("", "Run", "");
+            run_enable.AppendChild(xmldoc.CreateTextNode(
+                enabled.ToString()));
+
+            rootElement.AppendChild(run_enable);
+
             Dictionary<string, Object> vars = instance.GetVars();
 
             XmlElement variables = xmldoc.CreateElement("", "Variables", "");
@@ -225,6 +232,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
             {
                 object varValue;
                 XmlNodeList partL = rootNode.ChildNodes;
+                instance.Run = true;
 
                 foreach (XmlNode part in partL)
                 {
@@ -236,6 +244,9 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
                     case "Running":
                         instance.Running=bool.Parse(part.InnerText);
                         break;
+                    case "Run":
+                        instance.Run = bool.Parse(part.InnerText);
+                        break;
                     case "Variables":
                         XmlNodeList varL = part.ChildNodes;
                         foreach (XmlNode var in varL)
diff --git a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
index 25b27b90c5..06ed9d6deb 100644
--- a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
+++ b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
@@ -1503,6 +1503,13 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             }
         }
 
+        public void SetRunEnable(UUID instanceID, bool enable)
+        {
+            IScriptInstance instance = GetInstance(instanceID);
+            if (instance != null)
+                instance.Run = enable;
+        }
+
         public bool GetScriptState(UUID itemID)
         {
             IScriptInstance instance = GetInstance(itemID);