var mapTabs = ["whole", "tohoku", "kanto", "hokuriku", "kinki", "chugoku", "shikoku", "kyusyu"];
function mapTabChange(active_tab){
  for (var i = 0; i < mapTabs.length; i++) {
    //$('map_'+mapTabs[i]).style.display = 'none';
    $('#map_' + mapTabs[i]).css("display", "none");
  }
  //$('map_'+active_tab).style.display = 'block';
  $('#map_' + active_tab).css("display", "block");
}