$(document).ready(function() {

  // Latitude e longitude do centro do INF
  var latlng = new google.maps.LatLng(-16.603528, -49.266737);
  var myOptions = {
    zoom: 17,
    center: latlng,
    mapTypeId: google.maps.MapTypeId.HYBRID // foto de satelite e mapa
  };


  // Cria o mapa no <div> especifico
  var map = new google.maps.Map(document.getElementById("mapa"), myOptions);


  // Cria o marcador vermelho no centro do INF
  var marker = new google.maps.Marker({
    position: latlng,
    title: "INF",
    map: map
  });


  // Cria a janela de texto no mapa com as informacoes do Instituto
  var infowindow = new google.maps.InfoWindow({
    content: "Instituto de Informática (INF) - UFG<br />Alameda Palmeiras, Quadra D, Câmpus Samambaia<br />CEP 74690 - Goiânia - GO"
  });

  // Exibe a janela
  infowindow.open(map,marker);


  // Define as coordenadas do retangulo para destacar o INF
  var retanguloCoords = coords = [
    new google.maps.LatLng(-16.603413, -49.267308),
    new google.maps.LatLng(-16.604097, -49.267099),
    new google.maps.LatLng(-16.603816, -49.266135),
    new google.maps.LatLng(-16.603143, -49.266431),
    new google.maps.LatLng(-16.603413, -49.267308)
  ];

  // Cria o objeto poligonal para representar as coordenadas do retangulo
  var retangulo = new google.maps.Polygon({
    paths: retanguloCoords,
    strokeColor: "#3561B1",
    strokeOpacity: 1,
    strokeWeight: 2,
    fillColor: "#84C1E9",
    fillOpacity: 0.75
  });

  // Renderiza o poligono
  retangulo.setMap(map);


});