var lat = '37.350645';
var lon = '-107.8552';
//37.350645 LONGITUDE: -107.8552
var title = 'Alpen Rose RV Park<br />27847 U.S. 550<br />Durango, CO 81301-8683<br /><br />(970) 247-5540';

function loadGDMap() {
    var map = new GMap2(document.getElementById("locationmapdiv"));
    map.addControl(new GSmallMapControl());
    map.addControl(new GMapTypeControl());
    geocoder = new GClientGeocoder();
    if (geocoder) {
        point = new GLatLng(lat,lon);
        map.setCenter(point, 9);
        // var marker = new GMarker(point);
        var marker = createMarker(map,point,title);
        map.addOverlay(marker);
    }
}
function createMarker(map,latlng,data) {
    var tmarker = new GMarker(latlng);
    GEvent.addListener(tmarker,"click", function() {
        map.openInfoWindowHtml(latlng, data);
    });
    return tmarker;
}

function showmap() {
    var div = document.getElementById('gmap_div');
    div.style.display = 'block';
    loadGDMap();
}
function closemap() {
    var div = document.getElementById('gmap_div');
    div.style.display = 'none';
}