function initialize() {

// add arlington map
    var myOptions = {
      zoom: 13,
      center: new google.maps.LatLng(38.888613, -77.093618),
      disableDefaultUI: true,
      zoomControl: true,
      mapTypeId: google.maps.MapTypeId.ROADMAP
    }
    var map = new google.maps.Map(document.getElementById("map_canvas"),
                                  myOptions);
 
    var image = 'images/map-icon.png';
    var myLatLng = new google.maps.LatLng(38.888613, -77.093618);
    var marker = new google.maps.Marker({
        position: myLatLng,
        map: map,
        icon: image
    });
    google.maps.event.addListener(marker, 'click', function() {
		map.setZoom(15);
	});

// add alexandria map
    var myOptions2 = {
      zoom: 13,
      center: new google.maps.LatLng(38.796258, -77.048868),
      disableDefaultUI: true,
      zoomControl: true,
      mapTypeId: google.maps.MapTypeId.ROADMAP
    }
    var map2 = new google.maps.Map(document.getElementById("map_canvas2"),
                                  myOptions2);
 
    var image2 = 'images/map-icon.png';
    var myLatLng2 = new google.maps.LatLng(38.796258, -77.048868);
    var marker2 = new google.maps.Marker({
        position: myLatLng2,
        map: map2,
        icon: image2
    });
    google.maps.event.addListener(marker2, 'click', function() {
    	map2.setZoom(15);
    });

// add state college map
    var myOptions3 = {
      zoom: 13,
      center: new google.maps.LatLng(40.784575, -77.84738),
      disableDefaultUI: true,
      zoomControl: true,
      mapTypeId: google.maps.MapTypeId.ROADMAP
    }
    var map3 = new google.maps.Map(document.getElementById("map_canvas3"),
                                  myOptions3);
 
    var image3 = 'images/map-icon.png';
    var myLatLng3 = new google.maps.LatLng(40.784575, -77.84738);
    var marker3 = new google.maps.Marker({
        position: myLatLng3,
        map: map3,
        icon: image3
    });
    google.maps.event.addListener(marker3, 'click', function() {
    	map3.setZoom(15);
    });
  }
  
  google.maps.event.addDomListener(window,'load', initialize);