//RWT-OEI 01/05/06
//This script function displays a message box popup on the client of the
//player passed in as the first parameter.
//////
// oPC           - The player object of the player to show this message box to
// nMessageStrRef- The STRREF for the Message Box message. 
// sMessage      - The text to display in the message box. Overrides anything 
//               - indicated by the nMessageStrRef
// sOkCB         - The callback script to call if the user clicks OK, defaults
//               - to none. The script name MUST start with 'gui'
// sCancelCB     - The callback script to call if the user clicks Cancel, defaults
//               - to none. The script name MUST start with 'gui'
// bShowCancel   - If TRUE, Cancel Button will appear on the message box.
// sScreenName   - The GUI SCREEN NAME to use in place of the default message box.
//               - The default is SCREEN_MESSAGEBOX_DEFAULT 
// nOkStrRef     - The STRREF to display in the OK button, defaults to OK
// sOkString     - The string to show in the OK button. Overrides anything that
//               - nOkStrRef indicates if it is not an empty string
// nCancelStrRef - The STRREF to dispaly in the Cancel button, defaults to Cancel.
// sCancelString - The string to display in the Cancel button. Overrides anything
//				 - that nCancelStrRef indicates if it is anything besides empty string
void DisplayMessageBox( object oPC, int nMessageStrRef,
			string sMessage, string sOkCB="",
			string sCancelCB="",
			int bShowCancel=FALSE,
			string sScreenName="",
			int nOkStrRef=0,
			string sOkString="",
			int nCancelStrRef=0,
			string sCancelString="" );