var map, marker, infoWindow; 

var dirtext = "<span>Starting address:<form action=\"http://maps.google.com/maps\" method=\"get\" target=\"_blank\">" + 
            "<input type=\"text\" SIZE=35 name=\"saddr\" id=\"saddr\" value=\"\" /><br>" + 
            "<INPUT value=\"Get Directions\" TYPE=\"SUBMIT\">" + 
            "<input type=\"hidden\" name=\"daddr\" value=\"1200 S Lake Shore Dr, Chicago, IL 60605\"/>";

var sheddpoint = new google.maps.LatLng(41.8676033935441, -87.61373519897461);          

function googleload() {
    var myOptions = {
        zoom: 15,
        center: sheddpoint,
        mapTypeId: google.maps.MapTypeId.HYBRID,
        mapTypeControl: false
    };

    map = new google.maps.Map(document.getElementById("map"), myOptions);

    var markerOptions = {
        position: sheddpoint,
        title: "Shedd Aquarium"
    };

    marker = new google.maps.Marker(markerOptions);
    marker.setMap(map);
 
    var infoWindowOptions = {
        content: dirtext
    };

    infoWindow = new google.maps.InfoWindow(infoWindowOptions)

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

    google.maps.event.trigger(marker, 'click');
}