private void drawTileGray(Graphics g, XCMapTile mt,int x, int y)
{
if(mt.Ground != null && TopView.Instance.GroundVisible)
g.DrawImage(mt.Ground[MapViewPanel.Current].Gray,x,y-mt.Ground.Info.TileOffset);
if(mt.North != null && TopView.Instance.NorthVisible)
g.DrawImage(mt.North[MapViewPanel.Current].Gray,x,y-mt.North.Info.TileOffset);
if(mt.West != null && TopView.Instance.WestVisible)
g.DrawImage(mt.West[MapViewPanel.Current].Gray,x,y-mt.West.Info.TileOffset);
if(mt.Content != null && TopView.Instance.ContentVisible)
g.DrawImage(mt.Content[MapViewPanel.Current].Gray,x,y-mt.Content.Info.TileOffset);
}