Eliminate if (evtype .ne. 2) return
1) HMS filled for event type = 1 or 3
2) SOS filled for event type = 2 or 3
3) Return in event type > 3
4) Control event type analysis by command line
  a) Set paramater gtrig2=0 or 1 to turn analysis off/on HMS
  b) Set paramater gtrig3=0 or 1 to turn analysis off/on SOS
  c) Set paramater gtrig4=0 or 1 to turn analysis off/on COIN