function loadMap(elementName,centerLat,centerLng,zoomLevel,markerLat,markerLng) {
   
    var latLng = new google.maps.LatLng(parseFloat(centerLat),parseFloat(centerLng));
    
    var options = {
        zoom: parseInt(zoomLevel),
        center: latLng,
        mapTypeId: google.maps.MapTypeId.ROADMAP
    };
    
    map = new google.maps.Map($(elementName),options);
    if (markerLat && markerLng) {
        var marker = new google.maps.Marker({position:new google.maps.LatLng(parseFloat(markerLat),parseFloat(markerLng))});
        marker.setMap(map)
    }

}