by the way, if anyone else might be interested in which classes of ticket are valid for star alliance credit, i got this list from mileage plus:

LH - B,E,H,L,M,Y
TG - Y,M,B,Q,V,S
SK - B,G,M,Q,V,Y,H,K,L,T,O
RG - B,G,H,K,L,M,N,Q,T,V,W,Y
AC - B,E,G,H,I,K,L,N,Q,R,U,V,X,Z