public bool TurnSwitches()
{
int el;
Track trk;
// turn every switch
for (el = 0; el < nsects; ++el)
{
trk = Globals.findSwitch(sw[el].x, sw[el].y);
if (trk == null)
{
return(false);
}
sw[el].oldsw = trk.switched;
trk.switched = sw[el].switched;
}
return(true);
}