<script>
		var marker;
		var infoWindow;
		if (navigator.geolocation) {
			var timeoutVal = 10 * 1000 * 1000;
			navigator.geolocation.watchPosition(
				displayPosition,
				displayError,
				{ enableHighAccuracy: true, timeout: timeoutVal, maximumAge: 0 }
			);
		}
		else {
			alert("Geolocation is not supported by this browser");
		}
		function displayPosition(position) {
			var pos = new google.maps.LatLng(position.coords.latitude, position.coords.longitude);
			var options = {
				zoom: 10,
				center: pos,
				mapTypeId: google.maps.MapTypeId.ROADMAP
			};
			var map = new google.maps.Map(document.getElementById("map"), options);
			// Remove the current marker, if there is one
			if (typeof(marker) != "undefined") marker.setMap(null);
			marker = new google.maps.Marker({
				position: pos,
				map: map,
				title: "User location"
			});
			var contentString = "<b>Timestamp:</b> " + parseTimestamp(position.timestamp) + "<br/><b>User location:</b> lat " + position.coords.latitude + ", long " + position.coords.longitude + ", accuracy " + position.coords.accuracy;
			// Remove the current infoWindow, if there is one
			if (typeof(infoWindow) != "undefined") infoWindow.setMap(null);
			infowindow = new google.maps.InfoWindow({
				content: contentString
			});
			google.maps.event.addListener(marker, 'click', function() {
				infowindow.open(map,marker);
			});
		}
		function displayError(error) {
			var errors = {
				1: 'Permission denied',
				2: 'Position unavailable',
				3: 'Request timeout'
			};
			alert("Error: " + errors[error.code]);
		}
		function parseTimestamp(timestamp) {
			var d = new Date(timestamp);
			var day = d.getDate();
			var month = d.getMonth() + 1;
			var year = d.getFullYear();
			var hour = d.getHours();
			var mins = d.getMinutes();
			var secs = d.getSeconds();
			var msec = d.getMilliseconds();
			return day + "." + month + "." + year + " " + hour + ":" + mins + ":" + secs + "," + msec;
		}
	</script>