var map;
function load(){
	if (GBrowserIsCompatible()) {
		var physWithLabels = [ G_PHYSICAL_MAP.getTileLayers()[0], G_HYBRID_MAP.getTileLayers()[1] ];
var physWithLabelsMap = new GMapType(physWithLabels, G_PHYSICAL_MAP.getProjection(), "Hybrid Terrain");
		map = new GMap2(document.getElementById("map"));
		map.addMapType(G_PHYSICAL_MAP);
		map.addMapType(physWithLabelsMap);
		map.setCenter(new GLatLng(51.5084486445018,-0.124669075012207), 7, G_PHYSICAL_MAP);
		var mapControl = new GHierarchicalMapTypeControl();
		mapControl.clearRelationships();
		mapControl.addRelationship(G_SATELLITE_MAP, G_HYBRID_MAP, "Labels", false);
		mapControl.addRelationship(G_PHYSICAL_MAP, physWithLabelsMap, "Labels", false);
		map.addControl(mapControl);
		map.addControl(new GLargeMapControl());
		map.addControl(new GScaleControl());
		loadMap('./xml/london2.xml');
		}
}

function cotswolds(){
	var area = [new GLatLng(51.75253981, -1.20574951),new GLatLng(52.07950600, -1.30737305), new GLatLng(52.24293795, -1.56555176), new GLatLng(52.24293795, -2.27966309), new GLatLng(51.83238307, -2.34008789), new GLatLng(51.45914116, -2.68615723), new GLatLng(51.35634643, -2.34832764), new GLatLng(51.49164466, -1.72210693), new GLatLng(51.75253981, -1.20574951)];
	var polygon = new GPolygon(area, "#ff0000", 3, 1, "#ff0000", 0.3);
	map.addOverlay(polygon);
}

var resultText = "";
var markers = new Array();
var htmls = new Array();
var points = new Array();
var zooms = new Array();
var end;
var i=1;
function createMarker(point, zoom, title, html){
	var myIcon;
	myIcon = new GIcon();
	myIcon.image = "http://www.travelplatz.com/js/iconr/iconr"+ i + ".png";
	myIcon.iconSize = new GSize(20, 34);
	myIcon.shadow = "http://www.travelplatz.com/js/shadow50.png";
	myIcon.shadowSize = new GSize(37, 34);
	myIcon.iconAnchor = new GLatLng(34, 10);
	myIcon.infoWindowAnchor = new GPoint(5, 5);
	var marker = new GMarker(point,{"icon":myIcon, "clickable":true, "title":title});
	GEvent.addListener(marker, "click", function() {marker.openInfoWindowHtml(html);});
		map.removeOverlay(marker);
		markers[i] = marker;
		htmls[i] = html;
		points[i] = point;
		zooms[i] = zoom;
		resultText =  resultText + "<a href=javascript:change("+ i +")>"+ i + " " + title +"</a><br />";
		i++;
		if(i >end){i=1}
		return marker;
}
function createMarker1(point, zoom, title, html){
	var myIcon;
	myIcon = new GIcon();
	myIcon.image = "http://www.travelplatz.com/js/icony/icony"+ i + ".png";
	myIcon.iconSize = new GSize(20, 34);
	myIcon.shadow = "http://www.travelplatz.com/js/shadow50.png";
	myIcon.shadowSize = new GSize(37, 34);
	myIcon.iconAnchor = new GLatLng(34, 10);
	myIcon.infoWindowAnchor = new GPoint(5, 5);
	var marker = new GMarker(point,{"icon":myIcon, "clickable":true, "title":title});
	GEvent.addListener(marker, "click", function() {marker.openInfoWindowHtml(html);});
		map.removeOverlay(marker);
		markers[i] = marker;
		htmls[i] = html;
		points[i] = point;
		zooms[i] = zoom;
		resultText =  resultText + "<a href=javascript:change("+ i +")>"+ i + " " + title +"</a><br />";
		i++;
		if(i >end){i=1}
		return marker;
}
function createMarker2(point, zoom, title, html){
	var myIcon;
	myIcon = new GIcon();
	myIcon.image = "http://www.travelplatz.com/js/iconb/iconb"+ i + ".png";
	myIcon.iconSize = new GSize(20, 34);
	myIcon.shadow = "http://www.travelplatz.com/js/shadow50.png";
	myIcon.shadowSize = new GSize(37, 34);
	myIcon.iconAnchor = new GLatLng(34, 10);
	myIcon.infoWindowAnchor = new GPoint(5, 5);
	var marker = new GMarker(point,{"icon":myIcon, "clickable":true, "title":title});
	GEvent.addListener(marker, "click", function() {marker.openInfoWindowHtml(html);});
		map.removeOverlay(marker);
		markers[i] = marker;
		htmls[i] = html;
		points[i] = point;
		zooms[i] = zoom;
		resultText =  resultText + "<a href=javascript:change("+ i +")>"+ i + " " + title +"</a><br />";
		i++;
		if(i >end){i=1}
		return marker;
}
function createMarker3(point, zoom, title, html){
	var myIcon;
	myIcon = new GIcon();
	myIcon.image = "http://www.travelplatz.com/js/icong/icong"+ i + ".png";
	myIcon.iconSize = new GSize(20, 34);
	myIcon.shadow = "http://www.travelplatz.com/js/shadow50.png";
	myIcon.shadowSize = new GSize(37, 34);
	myIcon.iconAnchor = new GLatLng(34, 10);
	myIcon.infoWindowAnchor = new GPoint(5, 5);
	var marker = new GMarker(point,{"icon":myIcon, "clickable":true, "title":title});
	GEvent.addListener(marker, "click", function() {marker.openInfoWindowHtml(html);});
		map.removeOverlay(marker);
		markers[i] = marker;
		htmls[i] = html;
		points[i] = point;
		zooms[i] = zoom;
		resultText =  resultText + "<a href=javascript:change("+ i +")>"+ i + " " + title +"</a><br />";
		i++;
		if(i >end){i=1}
		return marker;
}
function createMarker4(point, zoom, title, html){
	var myIcon;
	myIcon = new GIcon();
	myIcon.image = "http://www.travelplatz.com/js/iconrw/iconrw"+ i + ".png";
	myIcon.iconSize = new GSize(20, 34);
	myIcon.shadow = "http://www.travelplatz.com/js/shadow50.png";
	myIcon.shadowSize = new GSize(37, 34);
	myIcon.iconAnchor = new GLatLng(34, 10);
	myIcon.infoWindowAnchor = new GPoint(5, 5);
	var marker = new GMarker(point,{"icon":myIcon, "clickable":true, "title":title});
	GEvent.addListener(marker, "click", function() {marker.openInfoWindowHtml(html);});
		map.removeOverlay(marker);
		markers[i] = marker;
		htmls[i] = html;
		points[i] = point;
		zooms[i] = zoom;
		resultText =  resultText + "<a href=javascript:change("+ i +")>"+ i + " " + title +"</a><br />";
		i++;
		if(i >end){i=1}
		return marker;
}
function createMarker5(point, zoom, title, html){
	var myIcon;
	myIcon = new GIcon();
	myIcon.image = "http://www.travelplatz.com/js/iconw/iconw"+ i + ".png";
	myIcon.iconSize = new GSize(20, 34);
	myIcon.shadow = "http://www.travelplatz.com/js/shadow50.png";
	myIcon.shadowSize = new GSize(37, 34);
	myIcon.iconAnchor = new GLatLng(34, 10);
	myIcon.infoWindowAnchor = new GPoint(5, 5);
	var marker = new GMarker(point,{"icon":myIcon, "clickable":true, "title":title});
	GEvent.addListener(marker, "click", function() {marker.openInfoWindowHtml(html);});
		map.removeOverlay(marker);
		markers[i] = marker;
		htmls[i] = html;
		points[i] = point;
		zooms[i] = zoom;
		resultText =  resultText + "<a href=javascript:change("+ i +")>"+ i + " " + title +"</a><br />";
		i++;
		if(i >end){i=1}
		return marker;
}

function clearMarker(){
	map.clearOverlays();
}

function change(i) {
   markers[i].openInfoWindowHtml(htmls[i]);
   map.setCenter(points[i],zooms[i]);
}

function loadMap(url){
	var request = GXmlHttp.create();
	request.open("GET", url, true);
	request.onreadystatechange = function(){
		if(request.readyState==4){
			var xml = request.responseXML;
			var place = xml.documentElement.getElementsByTagName("items");
			end = place.length;
			resultText="";
			for(var i=0; i<place.length; i++){
				var lat = parseFloat(place[i].getElementsByTagName("lat")[0].firstChild.nodeValue);
				var lng = parseFloat(place[i].getElementsByTagName("lon")[0].firstChild.nodeValue);
				var zoom = parseInt(place[i].getElementsByTagName("zoom")[0].firstChild.nodeValue);
				var flag = parseFloat(place[i].getElementsByTagName("flag")[0].firstChild.nodeValue);
				var point = new GLatLng(lat, lng);
				var html = "<div style='width:200px'>";
				if(place[i].getElementsByTagName("name").length != 0){
					html += "<b style='color: navy; font-size: small; font-weight: 400; font-style: normal;'>";
					var name = place[i].getElementsByTagName("name")[0].firstChild.nodeValue;
				}
				if(place[i].getElementsByTagName("url").length != 0){
					var link = place[i].getElementsByTagName("url")[0].firstChild.nodeValue;
					html += "<a href='" + link + "' target='_blank'>" + name + "</a></b><br />";
				}else{
					html += name;
					html += "</b><br />";
				}
				if(place[i].getElementsByTagName("info").length != 0){
					html += "<font size='-1'>";
					html += place[i].getElementsByTagName("info")[0].firstChild.nodeValue;
					html += "<br/><a href=javascript:map.zoomIn()>zoomIn</a> | <a href=javascript:map.zoomOut()>zoomOut</a></font></div>";
				}else{
					html += "";
					html += "</div>";
				}
				var title = place[i].getElementsByTagName("name")[0].firstChild.nodeValue;
				if(flag ==0){var marker = createMarker(point,zoom, title, html);}
				else if(flag==1){var marker = createMarker1(point,zoom, title, html);}
				else if(flag==2){var marker = createMarker2(point,zoom, title, html);}
				else if(flag==3){var marker = createMarker3(point,zoom, title, html);}
				else if(flag==4){var marker = createMarker4(point,zoom, title, html);}
				else if(flag==5){var marker = createMarker5(point,zoom, title, html);}
				else {var marker = createMarker(point,zoom, title, html);}
				map.addOverlay(marker);
				}
				document.getElementById("map_right").innerHTML = resultText;
		}
	}
request.send('');
}
onload = load;
onunload = GUnload;