Rebind event to active tooltip

HTML

<script src="http://cdn.jquerytools.org/1.2.6/all/jquery.tools.min.js"></script>
<div id='trigger'>MouseOver Me!</div>
<div class='tooltip'>
    This is the tooltip.
</div>
<div class='button' id='unbind'>Unbind</div>
<div class='button' id='rebind'>Rebind?</div>

CSS

#trigger{
    padding:5px;
    border: 1px solid green;
    text-align: center;
    margin: 10px;
    width: 200px;
    top: 50px;
    left: 20px;
}
.tooltip {
    display:none;
    height:20px;
    padding:5px;
    width:200px;
    border: 1px solid blue;
    background: white;
}
.button {
    text-align: center;
    height: 20px;
    padding: 5px;
    margin: 10px;
    width: 100px;
    border: 1px solid silver;
}

JavaScript

$(document).ready(function() {
    $('#trigger').tooltip({
        position: 'bottom center',
        events: {
        def:     "mouseover click,mouseout",
        input:   "focus,blur",
        widget:  "focus mouseover,blur mouseout",
        tooltip: "mouseover,mouseout"
        }
    });
    
    $('#unbind').click(function(){
        $('#trigger').tooltip("option", "content", "test");
        alert('123');
    });

    $('#rebind').click(function(){
        alert('attempting to rebind mouseover event');
        $("#trigger").data("tooltip").getTrigger().bind('mouseover');
        // this doesn't work
        $(".tooltip").text('MouseOver Me :(');
    });
});