[e1f]

(function($) {
    $.fn.helpwindow = function(options) {
        return this.click(function(event){
            var offset = $(this).offset();
            var top = offset.top;
            alert(top);
            event.stopPropagation();
            return false;
        });
    }
})(jQuery);

$(function(){
    $('.fav_unauth').helpwindow();
});