function equalHeight(group) {
    tallest = 0;
    group.each(function() {
        thisHeight = $(this).height();
        if (thisHeight > tallest) {
            tallest = thisHeight;
        }
    });
    group.height(tallest);
}
$(window).load(function() {
    equalHeight($(".box"));
    equalHeight($(".box2"));
}
);