$("#new_event_button").click(function() {
    $(".col2").load("/events/new");
    var layerMarkers = new OpenLayers.Layer.Markers("Markers");
    osm_map.addLayer(layerMarkers);
    var size = new OpenLayers.Size(52, 63);
    var offset = new OpenLayers.Pixel(-(size.w / 2), -size.h);
    var icon = new OpenLayers.Icon('/assets/empty_marker.png', size, offset);
    var create_event_marker = layerMarkers.addMarker(
        new OpenLayers.Marker(new OpenLayers.LonLat(osm_map.center.lon, osm_map.center.lat),
        icon));
    osm_map.events.register('click', osm_map, function (e) {
        create_event_marker.setPosition(map.getLonLatFromViewPortPx(e.xy));
          });
  });