var zoomLevel;
var iconData = {
  "icon_venue": { width: 21, height: 23 },
  "icon_venue_with_accomodation": { width: 21, height: 23 },
  "icon_gala_venue": { width: 21, height: 23 },
  "icon_accomodation_only": { width: 21, height: 23 },
  "icon_restaurant": { width: 21, height: 23 },
  "icon_spa_wellness": { width: 21, height: 23 },
  "icon_equestrian": { width: 21, height: 23 },
  "icon_golf_course": { width: 21, height: 23 },
  "icon_shopping_area": { width: 21, height: 23 },
  "icon_marker": { width: 21, height: 23 },
  "icon_marker_shadow": { width: 21, height: 23 },
  "icon_amenities": { width: 21, height: 23 },
  "icon_shadow": { width: 21, height: 23 }
};