menu->AddButton("PHOS tree", "((TGeant3*)gMC)->Gdtree(\"phos\")","Shows the Geant tree for the PHOS");
menu->AddButton("PIPE tree", "((TGeant3*)gMC)->Gdtree(\"QQMO\")","Shows the Geant tree for the PIPE");
menu->AddButton("PMD tree", "((TGeant3*)gMC)->Gdtree(\"DPMD\")","Shows the Geant tree for the PMD");
menu->AddButton("PHOS tree", "((TGeant3*)gMC)->Gdtree(\"phos\")","Shows the Geant tree for the PHOS");
menu->AddButton("PIPE tree", "((TGeant3*)gMC)->Gdtree(\"QQMO\")","Shows the Geant tree for the PIPE");
menu->AddButton("PMD tree", "((TGeant3*)gMC)->Gdtree(\"DPMD\")","Shows the Geant tree for the PMD");