IwAjax = Class.create();

IwAjax.link = function(link, updateElement, afterUpdate) {
    new Ajax.Updater(
        $(updateElement),
        link.href,
        {
            evalScripts: true,
            onComplete : function() {
                if (afterUpdate) {
                    window.setTimeout(
                        afterUpdate,
                        100
                    );
                } 
            }
        }
    );
    return false;
}