Add the red. Haven't tested this as I don't have the mod installed.
cal_post.asp line 116
Response.Write "<option value=""16"">Mon - Fri</option>"
Response.Write "<option value=""17"">Sat & Sun</option>"
Response.Write "<option value=""18"">Second Tues of the month</option>"
Response.Write " </select></td>" & _
cal_post_info1.asp line 111
Case 17 'Sat & Sun
Do
dateCursor = DateAdd("d", 1, dateCursor)
Loop Until Weekday(dateCursor) = vbSaturday or Weekday(dateCursor) = vbSunday
Case 18 'Second Tues of the month
dateCursor = DateAdd("d", 7, DateAdd("m", 1, dateCursor))
Do
dateCursor = DateAdd("d", 1, dateCursor)
Loop Until Weekday(dateCursor) = vbTuesday
End Select
Loop Until dateCursor > Event_End