function openVirtualTour(Node_ID) 
{
  var url = 'http://citymap.nanaimo.ca/virtual_tours/viewnode.cfm?File_ID=' + Node_ID;
  if (Node_ID != 0)
  {
    window.open(url,'hwWin','toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=no,resizable=yes,width=430,height=395');
  }
};