Fixing errors found by jshint

website/script/simstadt_openlayers.js

 //TODO: Add zoom to extent as control
 //TODO: Try to leave everything in 4326 
+//TODO: Add some tiles for offline mode
 
 var reset_btn = $('#reset')[0];
 var dataPanel = $('#dataPanel');
-var br = document.createElement('br');
 
 proj4.defs("EPSG:31467", "+proj=tmerc +lat_0=0 +lon_0=9 +k=1 +x_0=3500000 +y_0=0"
 		+ " +ellps=bessel +datum=potsdam +units=m +no_defs"); // http://spatialreference.org/ref/epsg/31467/proj4js/
@@ -19,7 +19,7 @@ var kml_source = new ol.source.KML({
 	url : 'data/citygml_hulls.kml',
 	extractAttributes : false,
 	extractStyles : false
-})
+});
 
 function polygon_style(color, alpha) {
 	return new ol.style.Style({
@@ -31,7 +31,7 @@ function polygon_style(color, alpha) {
 			width : 2,
 			lineDash : [ 5, 10 ]
 		}),
-	})
+	});
 }
 
 var kml_layer = new ol.layer.Vector({
@@ -68,7 +68,7 @@ novafactory_vectors.addNovaFactoryProduct = function(xmin, ymin, xmax, ymax, nam
 	feature["available"] = true;
 	feature["source"] = "NovaFACTORY";
 	this.addFeature(feature);
-}
+};
 
 var novafactory_layer = new ol.layer.Vector({
 	source : novafactory_vectors,
@@ -85,7 +85,7 @@ var map = new ol.Map({
 
 var geoJSONformat = new ol.format.GeoJSON();
 
-kml_layer.addEventListener("change", function(event) {
+kml_layer.addEventListener("change", function() {
 	map.getView().fitExtent(kml_source.getExtent(), (map.getSize()));
 });
 
@@ -131,7 +131,7 @@ featureOverlay.setMap(map);
 var selected_features = featureOverlay.getFeatures();
 selected_features.on('add', function(event) {
 	var feature = event.element;
-	feature.on("change", function(event) {
+	feature.on("change", function() {
 		displayInfo();
 	});
 });
@@ -147,7 +147,7 @@ var modify = new ol.interaction.Modify({
 });
 map.addInteraction(modify);
 
-draw = new ol.interaction.Draw({
+var draw = new ol.interaction.Draw({
 	features : featureOverlay.getFeatures(),
 	type : 'Polygon'
 });
@@ -172,7 +172,7 @@ function findIntersections() {
 	function findIntersection(feature) {
 		try {
 			var jsonIntersection = turf.intersect(poly1, feature["geoJSON"]);
-			if (undefined != jsonIntersection) {
+			if (undefined !== jsonIntersection) {
 				if (!intersection_found) {
 					dataPanel.append("Intersection found with :<br/>\n");
 					intersection_found = true;
@@ -187,7 +187,7 @@ function findIntersections() {
 				if (feature["available"]) {
 					description = "<a href=\"#\" onclick=\"downloadRegionFrom" + feature["source"] + "(" + i
 							+ ");return false;\">" + feature["description"] + "</a>";
-					console.log(description);
+					// console.log(description);
 				} else {
 					description = feature['description'];
 				}
@@ -205,9 +205,9 @@ function findIntersections() {
 		i++;
 	}
 	var i = 0;
-	novafactory_vectors.forEachFeature(findIntersection)
-	var i = 0;
-	kml_source.forEachFeature(findIntersection)
+	novafactory_vectors.forEachFeature(findIntersection);
+	i = 0;
+	kml_source.forEachFeature(findIntersection);
 	if (!intersection_found) {
 		dataPanel.append("No intersection found with any CityGML or NovaFactory product<br/>\n");
 	}
@@ -250,7 +250,7 @@ function displayInfo() {
 			// "," + wgs84_coord[0] + "));<br/>";
 			wgs84_coords += "(" + wgs84_coord[1] + "," + wgs84_coord[0] + ")<br/>";
 
-			var gsk3_coord = ol.proj.transform(coords[i], ol.proj.get('EPSG:4326'), ol.proj.get('EPSG:31467'))
+			var gsk3_coord = ol.proj.transform(coords[i], ol.proj.get('EPSG:4326'), ol.proj.get('EPSG:31467'));
 			gsk3_coords += "(" + gsk3_coord[0] + "," + gsk3_coord[1] + ")<br/>";
 		}
 		dataPanel.append("WGS84 Coordinates<br/>");
@@ -266,7 +266,7 @@ function displayInfo() {
 	// console.log('Execution time: ' + time);
 }
 
-draw.on('drawend', function(e) {
+draw.on('drawend', function() {
 	displayInfo();
 	draw.setActive(false);
 });
@@ -291,15 +291,15 @@ novafactory_layer.downloadFinished = function() {
 	this.disabled = false;
 	// FIXME: Doesn't stop waiting cursor
 	$("html").removeClass("wait");
-}
+};
 
 novafactory_layer.updateStatus = function(status) {
 	dataPanel.append("NovaFactory : " + status + "<br/>\n");
-}
+};
 
 novafactory_layer.selectSaveFile = function(zipFilename) {
 	fxapp.doSomethingWithThisZIP(zipFilename);
-}
+};
 
 function downloadRegionFromNovaFACTORY(i) {
 	$("html").addClass("wait");
@@ -315,12 +315,12 @@ function downloadRegionFromNovaFACTORY(i) {
 }
 
 function sketchAsWKT(epsgId) {
-	var epsgId = (typeof epsgId === 'undefined') ? '31467' : epsgId;
+	epsgId = (typeof epsgId === 'undefined') ? '31467' : epsgId;
 	var wktFormat = new ol.format.WKT();
 	return wktFormat.writeFeature(sketch, {
 		dataProjection : ol.proj.get('EPSG:' + epsgId),
 		featureProjection : ol.proj.get('EPSG:3857')
-	})
+	});
 }
 
 function focusOnMap() {