$.fn.equalHeights = function(px) {
    $(this).each(function() {

        var currentTallest = 0;

        $(this).children().children().each(function(i) {
            if ($(this).height() > currentTallest) { currentTallest = $(this).height(); }
        });

        $(this).children().children().css({ 'height': currentTallest });
    });
    return this;
};