function show_map()
{
    var latlng = new google.maps.LatLng(48.198134, 16.387626);
    var myOptions = {
        zoom: 16,
        center: latlng,
        mapTypeId: google.maps.MapTypeId.ROADMAP,
	disableDefaultUI: false
    };
    var map = new google.maps.Map(document.getElementById("map_canvas"),myOptions);
    var marker = new google.maps.Marker({
        position: latlng, 
        map: map,
        title:"Boomerang"
    });
}