BEGIN TRAN
  IF @Num  0
   BEGIN
    IF @StackSize > 1
    BEGIN
     SET @dur = 1
    END
    SET @CNum = substring(cast(@Num as varbinary(4)), 4, 1) +     substring(cast(@Num as varbinary(4)), 3, 1) + substring(cast(@Num as     varbinary(4)), 2, 1) + substring(cast(@Num as varbinary(4)), 1, 1)
    SET @Cdur = cast(substring(cast(@dur as varbinary(2)), 2, 1)+substring(cast(@dur as varbinary(2)), 1, 1) as varchar(2))
    SET @Cstack = cast(substring(cast(@StackSize as varbinary(2)), 2,     1)+substring(cast(@StackSize as varbinary(2)), 1, 1) as varchar(2))
    IF @Num  0
     BEGIN
      IF @location = 1
       BEGIN
        SELECT @strItem = strItem FROM USERDATA WHERE strUserId = @playerID
        SET @x = 1
        WHILE @x