I am using Google Maps Api v3 to display a map.
This is the JQuery:
<script type="text/javascript">
var myOptions = {
zoom: 8,
center: new google.maps.LatLng($("#lat").val(), $("#long").val()),
mapTypeId: google.maps.MapTypeId.HYBRID
};
var map = new google.maps.Map(document.getElementById("map"), myOptions);
But the map doesn’t highlight the point. It just shows the area on the map…what I would like it to look like is this:

Have a look at the source code of this example with a marker:
http://code.google.com/apis/maps/documentation/javascript/examples/infowindow-simple.html
Example using your code: