$(document).ready(function() {

      // enhance tel-links (from http://stackoverflow.com/a/18921965/2766106)
      $("a[href^='tel:']").each(function() {
          var target = "call-" + this.href.replace(/[^a-z0-9]*/gi, "");
          var link = this;

          // load in iframe to supress potential errors when protocol is not available
          $("body").append("<iframe name=\"" + target + "\" style=\"display: none\"></iframe>");
          link.target = target;

          // replace tel with callto on desktop browsers for skype fallback
          if (!navigator.userAgent.match(/(mobile)/gi)) {
              link.href = link.href.replace(/^tel:/, "callto:");
          }
      });

      // Carte
      var mapCanvas = document.getElementById('map-canvas');
      mapCanvas.innerHTML = '';
      var polytechPos = new google.maps.LatLng(50.6074998, 3.1373338);
      var mapOptions = {
          center: polytechPos,
          zoom: 16,
          mapTypeId: google.maps.MapTypeId.ROADMAP
      };
      var map = new google.maps.Map(mapCanvas, mapOptions);
      var marker = new google.maps.Marker({
          place: {
              location: polytechPos,
              query: "Polytech Lille"
          },
          attribution: {
              source: "Coupe de Robotique des Écoles Primaires",
              webUrl: window.location.host
          },
          map: map,
          title: "Polytech Lille"
      });
      var infowindow = new google.maps.InfoWindow({
          content: "<strong>Polytech Lille</strong><br/>Lieux des évènements de la Coupe de Robotique des Écoles Primaires"
      });
      marker.addListener('click', function() {
          infowindow.open(map, this);
      });

  });