// Provide a default path to dwr.engine
if (dwr == null) var dwr = {};
if (dwr.engine == null) dwr.engine = {};
if (DWREngine == null) var DWREngine = dwr.engine;

if (UserMgr == null) var UserMgr = {};
UserMgr._path = '/dwr';
UserMgr.checkUser_ExistIf = function(p0, callback) {
  dwr.engine._execute(UserMgr._path, 'UserMgr', 'checkUser_ExistIf', p0, callback);
}