var pin=[];
var lat1=51.5002,lng1=-0.1263;//London
var z1=8;//initial zoom
var map;
//pin[0]=['Billy Vee Sound Systems',51.4586, 0.002,'248 Lee High Road, Lewisham, London, SE13 5PL'];
//pin[1]=['Infidelity',51.4118, -0.3110,'9 High Street, Hampton Wick, Kingston-upon-Thames, KT1 4DA'];


function initialize() {
  var latlng = new google.maps.LatLng(lat1, lng1);

  var myOptions = { 
    zoom: z1, 
    center: latlng, 
    mapTypeId: google.maps.MapTypeId.ROADMAP, 
    streetViewControl: true
  }; 
  map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
  
  var bounds = new google.maps.LatLngBounds();
  for (j=0;j<pin.length;j++){
  	latlng = new google.maps.LatLng(pin[j][1], pin[j][2]);
		bounds.extend(latlng);
  }  
  if (pin.length>1) map.fitBounds(bounds);
  
  var infowindow = new google.maps.InfoWindow({ 
    content: 'hello'
	}); 
  
  var marker;
  for (j=0;j<pin.length;j++){
  	latlng = new google.maps.LatLng(pin[j][1], pin[j][2]);
   	marker = new google.maps.Marker({ 
  		position: latlng,  
  		map: map,  
  		title:pin[j][0],
  		address: pin[j][3]
		});
		google.maps.event.addListener(marker, 'click', function() {
			infowindow.content='<div style="font-size:small;"><b>'+this.title+'</b><br>'+this.address+'</div>'; 
			infowindow.open(map,this); 
		});
  }
 	
}

function centremap(j){
//centre map on pin j;
	var latlng = new google.maps.LatLng(pin[j][1], pin[j][2]);
	map.panTo(latlng);
	window.location.hash='themap'; 
}

window.onload=initialize;