- dthetg1=(-athet(1,it)*y(2)+athet(2,it)*y(1))*ss
- dthetg2=(-bthet(1,it)*z(2)+bthet(2,it)*z(1))*ss
+ dthetg1=(-athet(1,it,ichir1,ichir2)*y(2)
+ &+athet(2,it,ichir1,ichir2)*y(1))*ss
+ dthetg2=(-bthet(1,it,ichir1,ichir2)*z(2)
+ & +bthet(2,it,ichir1,ichir2)*z(1))*ss
+ if (it.eq.10) then
+ dthetg1=(-athet(1,itype1,ichir11,ichir12)*y(2)
+ &+athet(2,itype1,ichir11,ichir12)*y(1))*ss
+ dthetg2=(-bthet(1,itype2,ichir21,ichir22)*z(2)
+ & +bthet(2,itype2,ichir21,ichir22)*z(1))*ss
+ endif