var map     = null;
var caminho;
$.ajax({
	type: 'GET',
	url: url+'posto.php',
	dataType: 'html',
	data: 'acao=listar',
	success: function(data){
		caminho = data;
	}
});
var markerArray = []; //create a global array to store markers
var locations = caminho;

function initialize() {
    var myOptions = {
        zoom: 10,
        center: new google.maps.LatLng(-17.8083, -50.9144),
        mapTypeControl: true,
        mapTypeControlOptions: {
            style: google.maps.MapTypeControlStyle.DROPDOWN_MENU
        },
        navigationControl: true,
        mapTypeId: google.maps.MapTypeId.ROADMAP
    }
    map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);

    google.maps.event.addListener(map, 'click', function() {
        infowindow.close();
    });

    // Add markers to the map
    // Set up markers based on the number of elements within the myPoints array
    for (var i = 0; i < locations.length; i++) {
        createMarker(new google.maps.LatLng(locations[i][1], locations[i][2]),locations[i][0], locations[i][3], locations[i][4]);
    }

    mc.addMarkers(markerArray, true);
}

var infowindow = new google.maps.InfoWindow({
    size: new google.maps.Size(150, 50)
});

function createMarker(latlng, myTitle, myIcon) {
    var contentString = myTitle;
    var marker = new google.maps.Marker({
        position: latlng,
        map: map,
        icon: myIcon,
        zIndex: Math.round(latlng.lat() * -100000) << 5,
        title: myTitle
    });

    google.maps.event.addListener(marker, 'click', function() {
        infowindow.setContent(contentString);
        infowindow.open(map, marker);
    });

    markerArray.push(marker); //push local var marker into global array
}

//window.onload = initialize;