var map;
var locncircles = [];
var chmarkers =[];
var prev_infowindow=false;
var alldata=[
['a11700000007bDWAAY','51.2167','-0.799','pin-pink.png','Farnham Reading Room'],
['a11700000007FYiAAM','50.8122','-0.366','pin-pink.png','Worthing Reading Room'],
['a1170000000Xu1IAAS','51.5089','-0.1936','pin-pink.png','Second London Reading Room'],
['a1170000000Xu3xAAC','52.1448','-0.458','pin-pink.png','Bedford Reading Room'],
['a1170000000Xu3yAAC','51.4547','-0.9692','pin-pink.png','Reading Reading Room'],
['a1170000000Xu3zAAC','51.4797','-2.6131','pin-pink.png','Bristol Reading Room'],
['a1170000000Xu40AAC','51.6234','-0.7352','pin-pink.png','High Wycombe Reading Room'],
['a1170000000Xu41AAC','52.2002','0.1263','pin-pink.png','Cambridge Reading Room'],
['a1170000000Xu42AAC','52.573416','-0.236356','pin-pink.png','Peterborough Reading Room'],
['a1170000000Xu43AAC','53.1873','-2.8898','pin-pink.png','Chester Reading Room'],
['a1170000000Xu44AAC','54.8962','-2.9266','pin-pink.png','Carlisle Reading Room'],
['a1170000000Xu45AAC','54.3309','-2.7461','pin-pink.png','Kendal Reading Room'],
['a1170000000Xu46AAC','54.377','-2.9097','pin-pink.png','Windermere Reading Room'],
['a1170000000Xu49AAC','50.7277','-3.5262','pin-pink.png','Exeter Reading Room'],
['a1170000000Xu4aAAC','53.7513','-3.0281','pin-pink.png','Lytham St Annes Reading Room'],
['a1170000000Xu4BAAS','50.7258','-1.8114','pin-pink.png','Bournemouth Reading Room'],
['a1170000000Xu4cAAC','51.4998325','-0.1929840 	','pin-pink.png','First London Reading Room'],
['a1170000000Xu4dAAC','51.5072','-0.1463','pin-pink.png','Third London Reading Room'],
['a1170000000Xu4DAAS','50.7236','-1.9522','pin-pink.png','Poole Reading Room'],
['a1170000000Xu4eAAC','51.5298249','-0.1213460','pin-pink.png','Eleventh Church London Reading Room'],
['a1170000000Xu4gAAC','51.6298','-0.0011','pin-pink.png','Chingford Reading Room'],
['a1170000000Xu4GAAS','51.8905','-2.0783','pin-pink.png','Cheltenham Reading Room'],
['a1170000000Xu4hAAC','51.374','-0.0921','pin-pink.png','Croydon Reading Room'],
['a1170000000Xu4HAAS','51.7465','-2.2165','pin-pink.png','Stroud Reading Room'],
['a1170000000Xu4IAAS','53.3814','-2.3521','pin-pink.png','Altrincham Reading Room'],
['a1170000000Xu4jAAC','51.4036','-0.3047','pin-pink.png','Kingston upon Thames Reading Room'],
['a1170000000Xu4kAAC','51.46088','-0.30048','pin-pink.png','Richmond Reading Room'],
['a1170000000Xu4KAAS','53.4779','-2.2479','pin-pink.png','Manchester Reading Room'],
['a1170000000Xu4mAAC','53.3906','-3.1823','pin-pink.png','Hoylake Reading Room'],
['a1170000000Xu4MAAS','53.3892','-2.1348','pin-pink.png','Stockport Reading Room'],
['a1170000000Xu4oAAC','53.6507','-3.0026','pin-pink.png','Southport Reading Room'],
['a1170000000Xu4OAAS','50.8198','-1.0772','pin-pink.png','Portsmouth Reading Room'],
['a1170000000Xu4pAAC','52.2482092','-0.8763258','pin-pink.png','Northampton Reading Room'],
['a1170000000Xu4qAAC','52.9644','-1.152','pin-pink.png','Nottingham Reading Room'],
['a1170000000Xu4QAAS','51.065331','-1.3176856','pin-pink.png','Winchester Reading Room'],
['a1170000000Xu4rAAC','51.7584','-1.2609','pin-pink.png','Oxford Reading Room'],
['a1170000000Xu4RAAS','52.0524','-2.7052','pin-pink.png','Hereford Reading Room'],
['a1170000000Xu4sAAC','51.3766','-2.357','pin-pink.png','Bath Reading Room'],
['a1170000000Xu4SAAS','51.6612','-0.4107','pin-pink.png','Watford Reading Room'],
['a1170000000Xu4tAAC','52.2212','1.3435','pin-pink.png','Framlingham Reading Room'],
['a1170000000Xu4TAAS','51.7961','-0.2112','pin-pink.png','Welwyn Garden City Reading Room'],
['a1170000000Xu4uAAC','52.0553','1.1534','pin-pink.png','Ipswich Reading Room'],
['a1170000000Xu4vAAC','51.3633','-0.3489','pin-pink.png','Claygate and Esher Reading Room'],
['a1170000000Xu4VAAS','51.2753','0.5338','pin-pink.png','Maidstone Reading Room'],
['a1170000000Xu4wAAC','51.2336','-0.3265','pin-pink.png','Dorking Reading Room'],
['a1170000000Xu4xAAC','51.1843','-0.6186','pin-pink.png','Godalming Reading Room'],
['a1170000000Xu4yAAC','51.2576','-0.0028','pin-pink.png','Oxted Reading Room'],
['a1170000000Xu4YAAS','53.7579','-2.3592','pin-pink.png','Accrington Reading Room'],
['a1170000000Xu4zAAC','51.372022','-0.455952','pin-pink.png','Weybridge Reading Room'],
['a1170000000Xu4ZAAS','53.8182','-3.0383','pin-pink.png','Blackpool Reading Room'],
['a1170000000Xu50AAC','51.315628','-0.553954','pin-pink.png','Woking Reading Room'],
['a1170000000Xu51AAC','50.8257','-0.152','pin-pink.png','Brighton Reading Room'],
['a1170000000Xu54AAC','51.065032','-0.33864','pin-pink.png','Horsham Reading Room'],
['a1170000000Xu57AAC','52.4771','-1.9081','pin-pink.png','Birmingham Reading Room'],
['a1170000000Xu58AAC','52.5571','-1.826','pin-pink.png','Sutton Coldfield Reading Room'],
['a1170000000Xu5aAAC','53.325708','-6.238979','pin-pink.png','Dublin Reading Room'],
['a1170000000Xu5AAAS','53.9951227','-1.5397813','pin-pink.png','Harrogate Reading Room'],
['a1170000000Xu5BAAS','54.2736','-0.4026','pin-pink.png','Scarborough Reading Room'],
['a1170000000Xu5CAAS','53.9625','-1.0844','pin-pink.png','York Reading Room'],
['a1170000000Xu5DAAS','53.3829','-1.474','pin-pink.png','Sheffield Reading Room'],
['a1170000000Xu5EAAS','53.8313695','-1.7834051','pin-pink.png','Shipley Reading Room'],
['a1170000000Xu5GAAS','53.874','-1.909','pin-pink.png','Keighley Reading Room'],
['a1170000000Xu5IAAS','53.8433','-1.5135','pin-pink.png','Leeds Reading Room'],
['a1170000000Xu5JAAS','53.688','-1.5049','pin-pink.png','Wakefield Reading Room'],
['a1170000000Xu5KAAS','54.1509','-4.4855','pin-pink.png','Douglas Reading Room'],
['a1170000000Xu5LAAS','54.6090559','-5.867753','pin-pink.png','Belfast Reading Room'],
['a1170000000Xu5MAAS','55.9538','-3.1878','pin-pink.png','Edinburgh Reading Room'],
['a1170000000Xu5NAAS','55.865','-4.2748','pin-pink.png','Glasgow Reading Room'],
['a1170000000Xu5RAAS','51.4893','-3.1861','pin-pink.png','Cardiff Reading Room'],
['a1170000000Xub7AAC','52.1448','-0.458','pin-gold.png','Bedford Church'],
['a1170000000Xub8AAC','51.4547','-0.9692','pin-gold.png','Reading Church'],
['a1170000000Xub9AAC','51.6234','-0.7352','pin-gold.png','High Wycombe Church'],
['a1170000000XubaAAC','53.7579','-2.3592','pin-gold.png','Accrington Church'],
['a1170000000XubAAAS','52.1957','0.1247','pin-gold.png','Cambridge Church'],
['a1170000000XubbAAC','53.8132','-3.0354','pin-gold.png','Blackpool Society'],
['a1170000000XubBAAS','52.573416','-0.236356','pin-gold.png','Peterborough Church'],
['a1170000000XubcAAC','51.4998325','-0.1929840','pin-gold.png','First London Church'],
['a1170000000XubCAAS','53.1873','-2.8898','pin-gold.png','Chester Church'],
['a1170000000XubdAAC','51.5089','-0.1936','pin-gold.png','Second London Church'],
['a1170000000XubDAAS','54.3309','-2.7461','pin-gold.png','Kendal Church'],
['a1170000000XubeAAC','51.5072','-0.1463','pin-gold.png','Third London Church'],
['a1170000000XubEAAS','54.377','-2.9097','pin-gold.png','Windermere Church'],
['a1170000000XubfAAC','51.5298249','-0.1213460','pin-gold.png','Eleventh Church London'],
['a1170000000XubFAAS','52.9212843','-1.4851339','pin-gold.png','Derby Church'],
['a1170000000XubGAAS','50.7277','-3.5262','pin-gold.png','Exeter Church'],
['a1170000000XubhAAC','51.6298','-0.0011','pin-gold.png','Chingford Church'],
['a1170000000XubiAAC','51.374','-0.0921','pin-gold.png','Croydon Church'],
['a1170000000XubIAAS','50.7209056','-1.8601163','pin-gold.png','Bournemouth Church'],
['a1170000000XubJAAS','50.7249','-1.9518','pin-gold.png','Poole Church'],
['a1170000000XubkAAC','51.4036','-0.3047','pin-gold.png','Kingston upon Thames Church'],
['a1170000000XubKAAS','51.8885','0.8991','pin-gold.png','Colchester Society'],
['a1170000000XublAAC','51.46088','-0.30048','pin-gold.png','Richmond Church'],
['a1170000000XubLAAS','51.8976','-2.0826','pin-gold.png','Cheltenham Church'],
['a1170000000XubMAAS','51.7465','-2.2165','pin-gold.png','Stroud Church'],
['a1170000000XubnAAC','53.3906','-3.1823','pin-gold.png','Hoylake Church'],
['a1170000000XubNAAS','53.3814','-2.3521','pin-gold.png','Altrincham Church'],
['a1170000000XubpAAC','53.6432','-3.0147','pin-gold.png','Southport Church'],
['a1170000000XubPAAS','53.4779','-2.2479','pin-gold.png','Manchester Church'],
['a1170000000XubqAAC','51.7584','-1.2609','pin-gold.png','Oxford Church'],
['a1170000000XubrAAC','51.3766','-2.357','pin-gold.png','Bath Society'],
['a1170000000XubRAAS','53.3892','-2.1348','pin-gold.png','Stockport Church'],
['a1170000000XubsAAC','51.2336','-0.3265','pin-gold.png','Dorking Church'],
['a1170000000XubSAAS','50.8198','-1.0772','pin-gold.png','Portsmouth Society'],
['a1170000000XubtAAC','51.2544','-0.0124','pin-gold.png','Oxted Church'],
['a1170000000XubuAAC','51.3796','-0.4334','pin-gold.png','Weybridge Church'],
['a1170000000XubUAAS','51.065331','-1.3176856','pin-gold.png','Winchester Society'],
['a1170000000XubvAAC','51.315628','-0.553954','pin-gold.png','Woking Church'],
['a1170000000XubVAAS','52.0524','-2.7052','pin-gold.png','Hereford Church'],
['a1170000000XubwAAC','50.8257','-0.152','pin-gold.png','Brighton Church'],
['a1170000000XubWAAS','51.6612','-0.4107','pin-gold.png','Watford Church'],
['a1170000000XubXAAS','51.2753','0.5338','pin-gold.png','Maidstone Society'],
['a1170000000XubyAAC','51.065032','-0.33864','pin-gold.png','Horsham Church'],
['a1170000000XubYAAS','51.2859051','0.1823028','pin-gold.png','Sevenoaks Society'],
['a1170000000Xuc0AAC','52.191651','-1.709563','pin-gold.png','Stratford-upon-Avon Church'],
['a1170000000Xuc1AAC','52.4771','-1.9081','pin-gold.png','Birmingham Church'],
['a1170000000Xuc2AAC','52.5571','-1.826','pin-gold.png','Sutton Coldfield Church'],
['a1170000000Xuc3AAC','53.9843105','-1.5396357','pin-gold.png','Harrogate Church'],
['a1170000000Xuc4AAC','53.3794','-1.4963','pin-gold.png','Sheffield Church'],
['a1170000000Xuc5AAC','53.8313695','-1.7834051','pin-gold.png','Shipley Church'],
['a1170000000Xuc6AAC','53.874','-1.909','pin-gold.png','Keighley Society'],
['a1170000000Xuc8AAC','53.8433','-1.5135','pin-gold.png','Leeds Church'],
['a1170000000Xuc9AAC','53.688','-1.5049','pin-gold.png','Wakefield Church'],
['a1170000000XucAAAS','54.1509','-4.4855','pin-gold.png','Douglas Church'],
['a1170000000XucBAAS','54.6090559','-5.867753','pin-gold.png','Belfast Church'],
['a1170000000XucCAAS','55.953','-3.2054','pin-gold.png','Edinburgh Church'],
['a1170000000XucDAAS','55.865','-4.2748','pin-gold.png','Glasgow Church'],
['a1170000000XucMAAS','53.325708','-6.238979','pin-gold.png','Dublin Church'],
['a1170000000XuRhAAK','51.430949','-0.548844','pin-pink.png','Egham Reading Room'],
['a1170000000XuRvAAK','55.0093','-1.6208','pin-pink.png','Newcastle upon Tyne Reading Room'],
['a1170000000XuSaAAK','50.2165','-5.2884','pin-pink.png','Camborne Reading Room'],
['a1170000000XuSQAA0','53.379','-2.1921','pin-pink.png','Cheadle Hulme Reading Room'],
['a1170000000XuTBAA0','52.7042','-2.7487','pin-pink.png','Shrewsbury Reading Room'],
['a1170000000XuUBAA0','52.191651','-1.709563','pin-pink.png','Stratford-upon-Avon Reading Room'],
['a1170000000XuVuAAK','51.3633','-0.3489','pin-gold.png','Claygate and Esher Church'],
['a1170000000XuVvAAK','52.9644','-1.152','pin-gold.png','Nottingham Church'],
['a1170000000XuVxAAK','51.1843','-0.6186','pin-gold.png','Godalming Church'],
['a1170000000Xv4IAAS','55.0093','-1.6208','pin-gold.png','Newcastle upon Tyne Church'],
['a1170000000Xv6aAAC','52.0553','1.1534','pin-gold.png','Ipswich Society'],
['a1170000000Xv6bAAC','51.2167','-0.799','pin-gold.png','Farnham Society'],
['a1170000000Xv6cAAC','50.8344','-0.7713','pin-gold.png','Chichester Society'],
['a1170000000Xv6dAAC','52.2893','-1.5379','pin-gold.png','Leamington Spa Society'],
['a1170000000Xv6fAAC','54.2736','-0.4026','pin-gold.png','Scarborough Society'],
['a1170000000Xv6FAAS','49.45712','-2.53724','pin-gold.png','Guernsey Society'],
['a1170000000Xv6gAAC','53.9476','-1.0708','pin-gold.png','York Society'],
['a1170000000Xv6GAAS','51.4797','-2.6131','pin-gold.png','Bristol Society'],
['a1170000000Xv6HAAS','50.2165','-5.2884','pin-gold.png','Camborne Society'],
['a1170000000Xv6iAAC','53.7179','-1.8636','pin-gold.png','Halifax Society'],
['a1170000000Xv6IAAS','54.8962','-2.9266','pin-gold.png','Carlisle Society'],
['a1170000000Xv6MAAS','54.5628','-1.3176','pin-gold.png','Stockton-on-Tees Society'],
['a1170000000Xv6nAAC','51.4893','-3.1861','pin-gold.png','Cardiff Society'],
['a1170000000Xv6NAAS','53.379','-2.1921','pin-gold.png','Cheadle Hulme Society'],
['a1170000000Xv6PAAS','50.76','-1.5407','pin-gold.png','Lymington Society'],
['a1170000000Xv6QAAS','52.10079','-2.307457','pin-gold.png','Malvern Society'],
['a1170000000Xv6RAAS','51.7608','-0.5684','pin-gold.png','Berkhamsted Society'],
['a1170000000Xv6SAAS','51.7961','-0.2112','pin-gold.png','Welwyn Garden City Society'],
['a1170000000Xv6UAAS','53.7513','-3.0281','pin-gold.png','Lytham St Annes Society'],
['a1170000000Xv6VAAS','54.0718','-2.8677','pin-gold.png','Morecambe Society'],
['a1170000000Xv6WAAS','51.4687','0.01','pin-gold.png','Blackheath Society'],
['a1170000000Xv6XAAS','51.4193','-0.2129','pin-gold.png','Wimbledon Society'],
['a1170000000Xv6YAAS','52.7042','-2.7487','pin-gold.png','Shrewsbury Society'],
['a1170000000Xv6ZAAS','52.2212','1.3435','pin-gold.png','Framlingham Society'],
['a1170000000XvCrAAK','51.430949','-0.548844','pin-gold.png','Egham Society'],
['a1170000000XvD5AAK','52.2482092','-0.8763258','pin-gold.png','Northampton Society'],
['a1170000000XvEaAAK','52.9464','0.4939','pin-gold.png','Hunstanton Society'],
['a1170000002keEnAAI','51.0819756','-4.0591186','pin-gold.png','Barnstaple Society'],
['a1170000002keF2AAI','51.0819756','-4.0591186','pin-pink.png','Barnstaple Reading Room'],
['a1170000005om2iAAA','51.4193','-0.2129','pin-pink.png','Wimbledon Reading Room']
	];
function initialize(){
	var myOptions={
		zoom:2,
		mapTypeId: google.maps.MapTypeId.ROADMAP,
		panControl:true,
		zoomControl:true,
		scaleControl:true
	};
	map=new google.maps.Map(document.getElementById('map_canvas'),myOptions);
	map.setZoom(6);
	var pos=new google.maps.LatLng(53.3,-3.9);
	map.setCenter(pos);

	var input = document.getElementById('pac-input');
	var sBox = new google.maps.places.SearchBox(input);
	map.controls[google.maps.ControlPosition.TOP_LEFT].push(input);
	map.addListener('bounds_changed',function(){
		 sBox.setBounds(map.getBounds());
	});

	setMarkers(map,alldata);

	var sbmarkers = [];
	sBox.addListener('places_changed', function(){
		var places = sBox.getPlaces();
		if (places.length == 0){
			return;
		}

		sbmarkers.forEach(function(marker){
			marker.setMap(null);
		});
		sbmarkers = [];
		var bounds = new google.maps.LatLngBounds();
		places.forEach(function(place){
			if (!place.geometry){
				console.log("Returned place contains no geometry");
				return;
			}
			var icon={
				url:place.icon,
				size:new google.maps.Size(71,71),
				origin:new google.maps.Point(0,0),
				anchor:new google.maps.Point(17,34),
				scaledSize:new google.maps.Size(25,25)
			};
			sbmarkers.push(new google.maps.Marker({
				map:map,
				icon:icon,
				title:place.name,
				position:place.geometry.location
			}));
			if (place.geometry.viewport){
				bounds.union(place.geometry.viewport);
			}else{
				bounds.extend(place.geometry.location);
			}

			map.setCenter(place.geometry.location);
			if(typeof locncircles[0] != "undefined"){
				for(var i=0;i<locncircles.length;i++){
					locncircles[i].setMap(null);
				}
			}
	  		locncircles = [];
			var locnCircle = new google.maps.Circle({
				strokeColor:'#0000FF',
				strokeOpacity:0.0,
				strokeWeight:2,
				fillColor:'#0000FF',
				fillOpacity:0.10,
				map:map,
				center:place.geometry.location,
				radius:15 * 1609.3
			});
			locncircles.push(locnCircle);
		});
		map.fitBounds(bounds);
		map.setZoom(9);
	});
}
function setMarkers(map, alldata){
	for (var i in alldata){
		var nme=alldata[i][0];
		var lat=alldata[i][1];
		var lng=alldata[i][2];
		var ptr=alldata[i][3];
		var locn=alldata[i][4];
		setMarker(map,nme,ptr,locn,lat,lng);
	}
}
function setMarker(map,nme,ptr,locn,lat,lng){
	var latlng=new google.maps.LatLng(lat,lng);
	var pinIcon=new google.maps.MarkerImage(ptr,null,null,null,google.maps.Size(23,37));
	var zoomin="<input class='zms lft' type='button' value='Zoom In' onclick='ZoomIn(" + lat + "," + lng + ")'> ";
	var zoomout="&nbsp; <input class='zms rt' type='button' value='Zoom Out' onclick='ZoomOut()'>";
	var infowindow=new google.maps.InfoWindow({position:latlng,content:"<b>" + locn + "</b> <br/><br/>" + zoomin + zoomout});
	var marker=new google.maps.Marker({
        position:latlng,
        icon:pinIcon,
        map:map,
        title:locn,
        id:nme
    })
    chmarkers.push(marker);
	google.maps.event.addListener(marker,"dblclick",function(){
		if(prev_infowindow){
			prev_infowindow.close();
		}
	});
	google.maps.event.addListener(marker,'click',function(){
        if(prev_infowindow){
			prev_infowindow.close();
        }
		prev_infowindow=infowindow;
		infowindow.open(map,marker);
		infoCallback(nme);
	});
}
function ZoomIn(lat,lng){
	map.setCenter(new google.maps.LatLng(lat,lng));
	map.setZoom(18);
}
function ZoomOut(){
	map.setCenter(new google.maps.LatLng(53.3,-3.9));
	map.setZoom(6);
}
function OpenNewMarker(nme){
	for(var i=0;i<chmarkers.length;i++){
    	if(chmarkers[i].id === nme){
    		chmarkers[i].setZIndex(google.maps.Marker.MAX_ZINDEX + 1);
			google.maps.event.trigger(chmarkers[i],'click');
        	break;
    	}
	}
}
function infoCallback(nme){
	var response;
	var sendurl="orr_htm/" + nme + ".htm";
	var xmlhttp;
	var generated_html="";

	if (window.XMLHttpRequest){
		xmlhttp=new XMLHttpRequest();
	}else{
		xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
	}

	xmlhttp.onreadystatechange=function(){
		if(xmlhttp.readyState==2){
			document.getElementById('showdata').innerHTML='<center>Please wait...<p></center>';
		}
		if(xmlhttp.readyState==3){
			document.getElementById('showdata').innerHTML='<center>Please wait...<p></center>';
		}
		if(xmlhttp.readyState==4 && xmlhttp.status==200){
    		var response=xmlhttp.responseText;
    		document.getElementById('showdata').innerHTML=response;
		}
	};
	xmlhttp.open("GET",sendurl,true);
	xmlhttp.send();
}