Marcolini dynamic heights and positions

function equalizeHeights(selector) {
    var heights = new Array();

    // Loop to get all element heights
    jQuery(selector).each(function () {

        // Need to let sizes be whatever they want so no overflow on resize
        jQuery(this).css('min-height', '0');
        jQuery(this).css('max-height', 'none');
        jQuery(this).css('height', 'auto');

        // Then add size (no units) to array
        heights.push(jQuery(this).outerHeight());
    });

    // Find max height of all elements
    var max = Math.max.apply(Math, heights);
    console.log(max);
    // Set all heights to max height
    jQuery(selector).each(function () {
        jQuery(this).css('min-height', max + 'px');
        var hei = jQuery(this).css('min-height', max + 'px');

        var x = jQuery(this).find(".buttonWrapper");
        var pos = jQuery(x).position();
        var calculation = max - (pos.top + jQuery(x).outerHeight());
        jQuery(x).css("margin-top", calculation);


    });
}

jQuery(function () {
    equalizeHeights("#products-list .item .bg");
});