Quick map creating a mouseover-like event on a google map using a Fusion Tables layer...

Quick Fusion Tables pseudo-mouseover Map

<style>
#map_canvas { width: 600px; height: 600px; }
</style>

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js"></script>
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>


<!-- INCLUDE THIS SCRIPT REFERENCE FOR MOUSEOVER -->
<script type="text/javascript" src="http://gmaps-utility-gis.googlecode.com/svn/trunk/fusiontips/src/fusiontips_compiled.js"></script>

<script type="text/javascript">
var map;
var layer;
var tableid = 2287502;

$(document).ready(function(){
	map = new google.maps.Map(document.getElementById('map_canvas'), {
		center: new google.maps.LatLng(44.81691551782855, -89.912109375),
		zoom: 7,
		mapTypeId: google.maps.MapTypeId.ROADMAP
	});

	layer = new google.maps.FusionTablesLayer(tableid, {suppressInfoWindows: true});
	layer.setQuery("SELECT 'geometry' FROM " + tableid);
	layer.setMap(map);

	//map tips
	layer.enableMapTips({
                select: "'County_Name', 'Dem Name', 'Gop Name', 'Victory Margin'", // list of columns to query, typially need only one column.
                from: tableid, // fusion table name
                geometryColumn: 'geometry', // geometry column name
                suppressMapTips: true, // optional, whether to show map tips. default false
                delay: 100, // milliseconds mouse pause before send a server query. default 300.
                tolerance: 8 // tolerance in pixel around mouse. default is 6.
              });

	//here's the pseudo-hover
	google.maps.event.addListener(layer, 'mouseover', function(fEvent) {
    var row = fEvent.row;
    $('#info').html(
      '<h3>' + row['County_Name'].value + '</h3>' +
      '<p>' + row['Dem Name'].value + '</p>' +
      '<p>' + row['Gop Name'].value + '</p>');
	});

	//mouseout
	google.maps.event.addListener(layer, 'mouseout', function(fevt) {
		$("#info").html('<h2>Mouseout</h2>');
	});

});
</script>

<div id="map_canvas"></div>

<div id="info"><h2>Content</h2></div>