diff --git a/www/events.js b/www/events.js
index bef9f19..cbe7c05 100644
--- a/www/events.js
+++ b/www/events.js
@@ -25,8 +25,7 @@
 /* do reverse geolocation lookup */
 function getGeolocation(id, lat, lng) {
 	if ( !geolocationTable[id] ) {
-		// $.getJSON( "//nominatim.openstreetmap.org/reverse", { lat: lat, lon: lng, zoom: 10, format: "json" } )
-		$.getJSON( "//open.mapquestapi.com/nominatim/v1/reverse.php", { lat: lat, lon: lng, zoom: 10, format: "json" } )
+		$.getJSON( config['ajax']['nominatimURL'], { lat: lat, lon: lng, zoom: 10, format: "json" } )
 			.done(function( json ) {
 				var city = json.address["city"];
 				var country = json.address["country"];
@@ -57,28 +56,26 @@ function ajaxLoadEvents(stime, etime) {
 	var E = mapBounds.getEast();
 	var S = mapBounds.getSouth();
 	var W = mapBounds.getWest();
-	var d = 0.1;
 	if ( !stime ) {
 		var stime = new Date();
-		stime.setDate(stime.getDate()-180);
+		stime.setDate(stime.getDate()-config['map']['timespan']);
 	};
 	if ( !etime ) {
 		var etime = new Date();
 		etime.setDate(etime.getDate()+1);
 	};
-	var url = "https://ariadne.geophysik.ruhr-uni-bochum.de/fdsnws/event/1/query"
 	var request_data = {
 		starttime: sprintf("%d-%02d-%02d", stime.getFullYear(), stime.getMonth()+1, stime.getDate()),
 		endtime: sprintf("%d-%02d-%02d", etime.getFullYear(), etime.getMonth()+1, etime.getDate()),
-		minlat: S-d,
-		maxlat: N+d,
-		minlon: W-d,
-		maxlon: E+d,
-		minmag: config['event']['minMag']-0.1,
+		minlat: S-config['map']['latlngDelta'],
+		maxlat: N+config['map']['latlngDelta'],
+		minlon: W-config['map']['latlngDelta'],
+		maxlon: E+config['map']['latlngDelta'],
+		minmag: config['event']['minMag']-config['event']['minMagDelta'],
 	};
 	$.ajax({
 		type: "GET",
-		url: url,
+		url: config['ajax']['eventURL'],
 		data: request_data,
 		dataType: "xml",
 		success: function (xml) {
diff --git a/www/misc.js b/www/misc.js
index bdde136..ef40af4 100644
--- a/www/misc.js
+++ b/www/misc.js
@@ -30,21 +30,9 @@ function mag2radius(mag) {
 };
 
 /* set height of eventlist div */
-function sleep(milliseconds) {
-  var start = new Date().getTime();
-  for (var i = 0; i < 1e7; i++) {
-    if ((new Date().getTime() - start) > milliseconds){
-      break;
-    }
-  }
-}
-
-/* setInfoHeight */
 function setInfoHeight() {
 	var height = $('div.map').height() - 36;
 	$('div.info').height(height);
-	//$('.tab').height(height-80);
-	//$('#eventtable').height(height-100);
 };
 
 /* get region and regionID of a location */
@@ -89,16 +77,26 @@ var eventTable = {};
 var eventDetails = {};
 var stationTable = {};
 var config = {
+	ajax: {
+		timeout: 150000, // 15 seconds
+		eventURL: 'https://ariadne.geophysik.ruhr-uni-bochum.de/fdsnws/event/1/query',
+		stationURL: 'https://ariadne.geophysik.ruhr-uni-bochum.de/fdsnws/station/1/query',
+		nominatimURL: '//open.mapquestapi.com/nominatim/v1/reverse.php',
+		// nominatimURL: '//nominatim.openstreetmap.org/reverse',
+	},
 	event: {
 		evaluationBlacklist: ['automatic', 'preliminary'],
 		markerOpacity: 0.3,
 		minMag: 1.2,
+		minMagDelta: 0.1,
 		typeWhitelist: ['earthquake', 'induced or triggered event'],
 	},
 	map: {
 		zoomDefault: 9,
 		zoomFocus: 12,
 		centerDefault: [51.85, 7.0],
+		timespan: 180,
+		latlngDelta: 0.1,
 	},
 	station: {
 		markerOpacity: 0.5,
@@ -110,15 +108,16 @@ var config = {
  **********************************************************************/
 $(document).ready(function() {
 	// AJAX setup
-	$.ajaxSetup({timeout: 15000}); // 15 seconds
+	$.ajaxSetup({timeout: config['ajax']['timeout']});
+
 	// adjust height of infocontainer
 	setInfoHeight();
+
 	// create tabs
 	var tabOptions = {
 		active: 0,
 		disabled: [2, 3],
 	};
 	$('#tabs').tabs(tabOptions);
-	// $('.ui-tabs-nav').sortable();
 });
 
diff --git a/www/stations.js b/www/stations.js
index f8c2109..25aa806 100644
--- a/www/stations.js
+++ b/www/stations.js
@@ -29,11 +29,9 @@ function loadStations(stime, etime) {
 	var E = mapBounds.getEast();
 	var S = mapBounds.getSouth();
 	var W = mapBounds.getWest();
-	var d = 0.1;
-	var url = "https://ariadne.geophysik.ruhr-uni-bochum.de/fdsnws/station/1/query";
 	if ( !stime ) {
 		var stime = new Date();
-		stime.setDate(stime.getDate()-180);
+		stime.setDate(stime.getDate()-config['map']['timespan']);
 	};
 	if ( !etime ) {
 		var etime = new Date();
@@ -42,14 +40,14 @@ function loadStations(stime, etime) {
 	var request_data = {
 		endafter: sprintf("%d-%02d-%02d", stime.getFullYear(), stime.getMonth()+1, stime.getDate()),
 		startbefore: sprintf("%d-%02d-%02d", etime.getFullYear(), etime.getMonth()+1, etime.getDate()),
-		minlat: S-d,
-		maxlat: N+d,
-		minlon: W-d,
-		maxlon: E+d,
+		minlat: S-config['map']['latlngDelta'],
+		maxlat: N+config['map']['latlngDelta'],
+		minlon: W-config['map']['latlngDelta'],
+		maxlon: E+config['map']['latlngDelta'],
 	};
 	$.ajax({
 		type: "GET",
-		url: url,
+		url: config['ajax']['stationURL'],
 		dataType: "xml",
 		data: request_data,
 		success: function (xml) {