--- UserCode/MitPhysics/Utils/interface/VertexTools.h	2012/03/22 16:25:19	1.7
+++ UserCode/MitPhysics/Utils/interface/VertexTools.h	2012/05/28 14:24:49	1.8
@@ -76,6 +76,8 @@ namespace mithep {
 					     const DecayParticleCol* conv, Bool_t useMva, Double_t &vtxProb);
     // ----------------------------------------------------------
 
+    
+    static std::pair<double,double> VtxZFromConversion(const Photon *p, const DecayParticle *c, const BaseVertex *bsp);
 
     void InitM(const char* str);
     void InitP();