File: example.js

$(document).ready(function(){

    /* you can pass in your own setup function to change the behavior, so you don't need to mess with the plugin */

    var myCall = function(el) {
        $(el).bind('mouseover', function() {
            $(this).addClass('highlight');
        });
        
        $(el).bind('mouseout',function() {
            $(this).removeClass("highlight");
        });
    }

    $('.tipholder').ToolTip({idata:'data',ifollow:true},myCall);
    
});