Perform a bit-wise OR operation.
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 Syntax

        GT_Or(<nNumber1>,<nNumber2>) --> nResult

 Arguments:

      <nNumber1> and <nNumber2> are two numbers that you whish to
      OR together.

 Returns:

      The result of <nNumeric1> OR <nNumeric2>.

 Description:

      GT_Or() can be used for any bit oriented masking operation. GT_Or()
      is the functional equivlant of the OR instruction in assembler and
      the | operator in C.

 Examples:

      ? GT_Or(131,15)           // Print the value of 131 | 15.

 Source: OR.C

 Author:  Dave Pearson