diff --git a/extensions/source/nsplugin/source/so_env.hxx b/extensions/source/nsplugin/source/so_env.hxx
new file mode 100644
index 000000000000..480f3cd6ca1a
--- /dev/null
+++ b/extensions/source/nsplugin/source/so_env.hxx
@@ -0,0 +1,132 @@
+/*************************************************************************
+ *
+ *  $RCSfile: so_env.hxx,v $
+ *
+ *  $Revision: 1.2 $
+ *
+ *  last change: $Author: rt $ $Date: 2004-08-20 10:08:10 $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRUNTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRUNTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc..
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#ifndef __SO_ENVIRON_HXX__
+#define __SO_ENVIRON_HXX__
+
+
+
+#ifdef UNIX
+
+
+#include <pthread.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#endif //end of UNIX
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <unistd.h>
+#include <string.h>
+
+#define SO_SERVER_PORT 8100
+
+
+#ifdef UNIX
+#define STAROFFICE_VERSION_FILE "/.sversionrc"
+#define PLUGIN_EXE_FILE_NAME "nsplugin"
+#define STAROFFICE_EXE_FILE_NAME "soffice"
+#endif
+#ifdef WNT
+#define STAROFFICE_VERSION_FILE "\\sversion.ini"
+#define PLUGIN_EXE_FILE_NAME "nsplugin.exe"
+#define STAROFFICE_EXE_FILE_NAME "soffice.exe"
+#endif
+
+#define SECTION_NAME     "Versions"
+#define SOFFICE_VERSION  "StarOffice 8"
+//#define SOFFICE_VERSION  "SunShine Office 1.0"
+
+#define APP_ERROR 1
+#define APP_CHAR  2
+#define APP_WCHAR 3
+
+// return the install path of staroffice, return value like "/home/build/staroffice"
+const char* findInstallDir();
+
+// return original system library path + "/home/build/staroffice/program"
+const char* getNewLibraryPath();
+
+// return SO program dir absolute path, like "/home/build/staroffice/program"
+const char* findProgramDir();
+
+// return nsplugin executable absolute path, like "/home/build/staroffice/program/nsplugin"
+const char* findNsExeFile();
+
+
+// return SO executable absolute path, like "/home/build/staroffice/program/soffice"
+const char* findSofficeExecutable();
+
+
+// change Dos path such as c:\program\soffice to c:/program/soffice
+int DosToUnixPath(char*);
+
+//change Unix path such as program\soffice to program/soffice
+int UnixToDosPath(char*);
+
+void NSP_WriteLog(int level,  const char* pFormat, ...);
+
+int restoreUTF8(char* pPath);
+
+#endif