--- trunk/src/UseTheForce/ForceField.cpp	2008/07/14 12:35:58	1277
+++ trunk/src/UseTheForce/ForceField.cpp	2008/07/30 18:11:19	1282
@@ -515,6 +515,12 @@ namespace oopse {
     std::vector<std::string> keys;
     keys.push_back(at);
     return atomTypeCont_.add(keys, atomType);
+  }
+
+  bool ForceField::replaceAtomType(const std::string &at, AtomType* atomType) {
+    std::vector<std::string> keys;
+    keys.push_back(at);
+    return atomTypeCont_.replace(keys, atomType);
   }
 
   bool ForceField::addBondType(const std::string &at1, const std::string &at2,