var addrpnt ;
var geocoder ;
var address ;
var icon ;
var map ;
var container;
var opacity = 0.4;
var circle;
var centerMarker;
var circleUnits;
var circleRadius;

var icon_mbr = new GIcon(); 
icon_mbr.image = "URL/mbr_on.png";
icon_mbr.shadow = "URL/mbr_shad.png";
icon_mbr.iconSize = new GSize(28, 32);
icon_mbr.shadowSize = new GSize(28, 32);
icon_mbr.iconAnchor = new GPoint(14, 32);

var icon_phot = new GIcon(); 
icon_phot.image = "URL/phot_on.png";
icon_phot.shadow = "URL/phot_shad.png";
icon_phot.iconSize = new GSize(28, 32);
icon_phot.shadowSize = new GSize(28, 32);
icon_phot.iconAnchor = new GPoint(14, 32);

var icon_vid = new GIcon(); 
icon_vid.image = "URL/cam_on.png";
icon_vid.shadow = "URL/cam_shad.png";
icon_vid.iconSize = new GSize(28, 32);
icon_vid.shadowSize = new GSize(28, 32);
icon_vid.iconAnchor = new GPoint(14, 32);

var icon_event = new GIcon(); 
icon_event.image = "URL/event_on.png";
icon_event.shadow = "URL/event_shad.png";
icon_event.iconSize = new GSize(28, 32);
icon_event.shadowSize = new GSize(28, 32);
icon_event.iconAnchor = new GPoint(14, 32);

var icon_actu = new GIcon(); 
icon_actu.image = "URL/actu_on.png";
icon_actu.shadow = "URL/actu_shad.png";
icon_actu.iconSize = new GSize(28, 32);
icon_actu.shadowSize = new GSize(28, 32);
icon_actu.iconAnchor = new GPoint(14, 32);

var icon_info = new GIcon(); 
icon_info.image = "URL/info_on.png";
icon_info.shadow = "URL/info_off.png";
icon_info.iconSize = new GSize(28, 32);
icon_info.shadowSize = new GSize(28, 32);
icon_info.iconAnchor = new GPoint(14, 32);

var icon_home = new GIcon(); 
icon_home.image = "URL/home_on.png";
icon_home.shadow = "URL/home_off.png";
icon_home.iconSize = new GSize(28, 32);
icon_home.shadowSize = new GSize(28, 32);
icon_home.iconAnchor = new GPoint(14, 32);

var icon_idee = new GIcon(); 
icon_idee.image = "URL/idee_on.png";
icon_idee.shadow = "URL/idee_off.png";
icon_idee.iconSize = new GSize(28, 32);
icon_idee.shadowSize = new GSize(28, 32);
icon_idee.iconAnchor = new GPoint(14, 32);

var icon_travaux = new GIcon(); 
icon_travaux.image = "URL/travaux_on.png";
icon_travaux.shadow = "URL/travaux_off.png";
icon_travaux.iconSize = new GSize(28, 32);
icon_travaux.shadowSize = new GSize(28, 32);
icon_travaux.iconAnchor = new GPoint(14, 32);


var customIcons = [];
customIcons["users"] = icon_mbr;
customIcons["picture"] = icon_phot;
customIcons["video"] = icon_vid;
customIcons["event"] = icon_event;
customIcons["news"] = icon_actu;
customIcons["info"] = icon_info;
customIcons["home"] = icon_home;
customIcons["idee"] = icon_idee;
customIcons["travaux"] = icon_travaux;

function loadmembers(a)
{
	var markerGroups = { "users": [], "picture": [], "video": [], "event": [], "info": [], "home": [], "idee": [], "travaux": []};
	var file2 = String(a);
	var request = GXmlHttp.create();	
	request.open("GET", "URL/markers.php?op=maj"+ file2 +"", true);
	request.onreadystatechange = function() { if (request.readyState == 4) { var xmlDoc = request.responseXML; parseXML(xmlDoc); } }
	request.send(null);    
}
function parseXML(xmlDoc)
{
	var markers = xmlDoc.documentElement.getElementsByTagName("poi");
	if (circle) { var bounds = circle.getBounds(); } else { var bounds = map.getBounds(); }
	for (var i = 0; i < markers.length; i++) 
	{
			var name = markers[i].getAttribute("name");
            var label = markers[i].getAttribute("label");
			var name = markers[i].getAttribute("label");
            var address = markers[i].getAttribute("address");
            var type = markers[i].getAttribute("type");
			var html = markers[i].getAttribute("type");
            var point = new GLatLng(parseFloat(markers[i].getAttribute("lat")),parseFloat(markers[i].getAttribute("lng")));
            var marker = createMarker(point, name, label, address, type, html);            
			if (bounds.contains(point) == true) { map.addOverlay(marker); }
			
	}
}
function createMarker(point, name, label, address, type, html) {
	var marker = new LabeledMarker(point, {icon: customIcons[type]});
	markerGroups[type].push(marker);
	GEvent.addListener(marker, 'click', function() { sendajax('case=maj'+type+'&ID='+name+'','widget_ajax.php','det'); });
	return marker;
}

function majcarte() {
if (document.Register.radiusInput.value>0) { drawCircle(); } else { map.clearOverlays();loadmembers('&typ=' + document.Register.tip.value+ '&categ=' + document.Register.cat.value); }
}
function majcarte2() {
if (document.Register.radiusInput.value>0) { drawCircle(); } else { loadmembers('&typ=' + document.Register.tip.value+ '&categ=' + document.Register.cat.value); }
}
function hideGroup(type) { 
      for (var i = 0; i < markerGroups[type].length; i++) { 
          map.removeOverlay(markerGroups[type][i]); 
      } 
}
function drawCircle() {
	var oRadius = document.getElementById('radiusInput');
	if (oRadius.value.match(/[^\d.]/)) { alert("Don't be silly. Enter a number for radius"); return; }
	if (oRadius.value > 9999) { }
	circleRadius = oRadius.value;
	circleUnits = 'KM';
	doDrawCircle();
	if (markerGroups['picture'].length > 0 ) { hideGroup('picture'); }
	if (markerGroups['video'].length > 0 ) { hideGroup('video'); }
	if (markerGroups['event'].length > 0 ) { hideGroup('event'); }
	if (markerGroups['users'].length > 0 ) { hideGroup('users'); }
	if (markerGroups['news'].length > 0 ) { hideGroup('news'); }
	if (markerGroups['home'].length > 0 ) { hideGroup('home'); }
	if (markerGroups['travaux'].length > 0 ) { hideGroup('travaux'); }
	if (markerGroups['idee'].length > 0 ) { hideGroup('idee'); }
	if (markerGroups['info'].length > 0 ) { hideGroup('info'); }
	loadmembers('&typ=' + document.getElementById('tip').value+ '&categ=' + document.getElementById('cat').value);
}
function doDrawCircle(){
	if (circle) {
		map.removeOverlay(circle);
	}

	if (centerMarker) { map.setCenter(centerMarker.getLatLng()) }
	else { centerMarker = new GMarker(map.getCenter(),{draggable:true});
		GEvent.addListener(centerMarker,'dragend',drawCircle)
		map.setCenter(centerMarker.getLatLng());
		map.addOverlay(centerMarker);
	}
	var center = map.getCenter();
	var bounds = new GLatLngBounds();	
	var circlePoints = Array();
	with (Math) {
		var d = circleRadius/6378.8;
		var lat1 = (PI/180)* center.lat(); // radians
		var lng1 = (PI/180)* center.lng(); // radians
		for (var a = 0 ; a < 361 ; a++ ) {
			var tc = (PI/180)*a;
			var y = asin(sin(lat1)*cos(d)+cos(lat1)*sin(d)*cos(tc));
			var dlng = atan2(sin(tc)*sin(d)*cos(lat1),cos(d)-sin(lat1)*sin(y));
			var x = ((lng1-dlng+PI) % (2*PI)) - PI ; // MOD function
			var point = new GLatLng(parseFloat(y*(180/PI)),parseFloat(x*(180/PI)));
			circlePoints.push(point);
			bounds.extend(point);
		}
		if (d < 1.5678565720686044) { circle = new GPolygon(circlePoints, '#9ecff3', 2, 1, '#9ecff3', 0.25); }
		map.addOverlay(circle);
		
	}
}