php4 beta...

Hello there... My System WindowNT 4.0 Service Pack 5 IIS 4.0 I am trying to upgrade PHP3 to PHP4 but failed...the error look like this... "Fatal error: Call to undefined function: mssql_connect() in server.inc on line 8" I already did following steps... copy following files inside c:\winnt\system32 directory MSVCRT.DLL PHP4TS.DLL. All DLL's I also put it inside c:\winnt\system32 directory then I did below instruction...given by PHP manual Installation Notes for IIS 4.0 ------------------------------ - Install the php.ini file and the DLLs as mentioned above. - Start the Microsoft Management Console (may appear as 'Internet Service Manager'). - Under 'ISAPI Filters', add a new ISAPI filter. Use 'PHP' as the filter name, and supply a path to the php4isapi.dll that is included in the distribution. - Under 'Home Directory', click on the 'Configuration' button. Add a new entry to the Application Mappings; Use the path the php4isapi.dll as the Executable, supply .php as the extension, leave 'Method exclusions', blank, and check the Script engine checkbox. - Stop IIS completely (you would have to stop the IIS Administration service for that - stopping it through the Management Console isn't good enough; You can do it by typing 'net stop iisadmin' on a command prompt). - Start IIS again (you can do it by typing 'net start w3svc' on a command prompt). - Put a .php file under your Web server's document root and check if it works! I have to upgrade PHP3 to PHP4 cause there is a lot of features inside PHP4....for examples session management.... Could somebody help me to figure out what happened with my configuration....? Is it misplace or something else... thanks faisal