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(function($) {
    $.fn.equalHeight = function() {
        var max_bottom = 0;

        this.each(function() {
            var bottom = $(this).offset().top + $(this).outerHeight();
            if (bottom > max_bottom) max_bottom = bottom;
        });

        return this.each(function() {
            var offtop = $(this).offset().top,
			curheight = $(this).outerHeight(),
			diff = curheight - $(this).height(),
			bottom = offtop + curheight;

            if (max_bottom > bottom) $(this).height(max_bottom - offtop - diff);
        });
    };
})(jQuery);