var mPos = null;
function SetMapPos(lon, lat)
{
  mPos = m_Map.GetUtility().GetMapPos();
  mPos.SetLon(lon);
  mPos.SetLat(lat);
  
}

function GetMapPos()
{
  var Lon = mPos.GetLon();
  var Lat = mPos.GetLat();
  alert("Lon :" + Lon + ", Lat :" + Lat);
}

준비중입니다...