+ initMap();
+ resizeAndDraw();
+ startTracking();
+}
+
+window.onresize = function() {
+ resizeAndDraw();
+}
+
+function toggleSettings() {
+ var fs = document.getElementById("settings");
+ if (fs.style.display != "block") {
+ fs.style.display = "block";
+ }
+ else {
+ fs.style.display = "none";
+ }
+}