var hasselt = new google.maps.LatLng(50.91797,5.354966);
var marker;
var map;

function initialize() {
	var mapOptions = {
	zoom: 13,
	mapTypeId: google.maps.MapTypeId.SATELLITE,
	center: hasselt
};

map = new google.maps.Map(document.getElementById("map_canvas"),
		mapOptions);
		
marker = new google.maps.Marker({
  map:map,
  draggable:true,
  animation: google.maps.Animation.DROP,
  position: hasselt
});
google.maps.event.addListener(marker, 'click', toggleBounce);  
}

function toggleBounce() {
	if (marker.getAnimation() != null) {
		marker.setAnimation(null);
	} 
	else {
		marker.setAnimation(google.maps.Animation.BOUNCE);
	}
}