var geocoder;
  var map;

  function showAddress(address) {
    geocoder = new google.maps.Geocoder();
    geocoder.geocode( { 'address': address }, function(results, status) {
      if (status == google.maps.GeocoderStatus.OK) {
        var myOptions = {
          zoom: 15,
          center: results[0].geometry.location,
          mapTypeId: google.maps.MapTypeId.ROADMAP
        }
        map = new google.maps.Map(document.getElementById("googleMap"), myOptions);

        var marker = new google.maps.Marker({
            map: map,
            position: results[0].geometry.location
        });
      } else {
        alert("Geocode was not successful for the following reason: " + status);
      }
    });
  }