Customizing onmouseover Event in Timeline

[Kerry Wahl]

I am using the Timeline chart to create some timelines for my webpage.  I was able to render a basic version of the charts successfully, but I want to customize the onmouseover event to display certain block information.  I haven't been able to find any examples of how to customize this functionality though.  

Currently, my table code looks like this:

   

<script type="text/javascript" src="https://www.google.com/jsapi?autoload={'modules':[{'name':'visualization','version':'1.1','packages':['timeline']}]}"></script>

    <script language="Javascript" type="text/javascript">

      google.setOnLoadCallback(drawChart);
      function drawChart() {
        var container = document.getElementById('timeline');
        var chart = new google.visualization.Timeline(container);
        var dataTable = new google.visualization.DataTable();

        dataTable.addColumn({ type: 'string', id: 'RowLabel' });
        dataTable.addColumn({ type: 'string', id: 'BlockLabel' });
        dataTable.addColumn({ type: 'date', id: 'Start' });
        dataTable.addColumn({ type: 'date', id: 'End' });
        dataTable.addRows([
        ["SAT 2B", "Task 1", new Date(2015,01,01), new Date(2015,01,02)],
        ["SAT 2B", "Task 1", new Date("2015-03-10 05:10:39.010000"), new Date("2015-03-15 05:10:39.010000")],
        ["SAT 2C", "Task 1", new Date("2015-04-10 05:10:39.010000"), new Date("2015-04-15 05:10:39.010000")],
        ]);

        var formatter = new google.visualization.DateFormat({pattern:'yyyy/DDD-HH:mm:ss'});

        formatter.format(dataTable,2);
        formatter.format(dataTable,3);

        var options = {
            timeline: { colorByRowLabel: true }
          };

        chart.draw(dataTable,options);
      }

        </script>
        <div>
            <h4><p class="text-center">A Timeline</p></h4>
            <div id="timeline" style="width: 95%;"></div>
        </div>

I want to be able to display the BlockLabel, Start, and End date when the user mouses over a given block in the timeline.  I am also having trouble getting the date formatter to work.

Thanks!