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diff --git a/linden/indra/lscript/llscriptresource.h b/linden/indra/lscript/llscriptresource.h
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+/** 
+ * @file llscriptresource.h
+ * @brief LLScriptResource class definition
+ *
+ * $LicenseInfo:firstyear=2008&license=viewergpl$
+ * 
+ * Copyright (c) 2008-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLSCRIPTRESOURCE_H
+#define LL_LLSCRIPTRESOURCE_H
+
+#include "stdtypes.h"
+
+// An LLScriptResource is a limited resource per ID.
+class LLScriptResource
+{
+public:
+        LLScriptResource();
+
+        // If amount resources are available will mark amount resouces 
+        // used and returns true
+        // Otherwise returns false and doesn't mark any resources used.
+        bool request(S32 amount = 1);
+
+        // Release amount resources from use if at least amount resources are used and return true
+        // If amount is more than currently used no resources are released and return false
+        bool release(S32 amount = 1);
+
+        // Returns how many resources are available
+        S32 getAvailable() const;
+
+        // Sets the total amount of available resources
+        // It is possible to set the amount to less than currently used
+        // Most likely to happen on parcel ownership change
+        void setTotal(S32 amount);
+
+        // Get the total amount of available resources
+        S32 getTotal() const;
+
+        // Get the number of resources used
+        S32 getUsed() const;
+
+        // true if more resources used than total available
+        bool isOverLimit() const;
+
+private:
+        S32 mTotal; // How many resources have been set aside
+        S32 mUsed; // How many resources are currently in use
+};
+
+#endif // LL_LLSCRIPTRESOURCE_H