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/*
 * Equalise the height of boxes (uses min-height).
 */
jQuery.fn.balanceHeights = function() {
    // Get max height from list then apply to all.
    var heights = [];
    this.each( function () {
        heights.push(jQuery(this).outerHeight());
    });
    return this.css('min-height', Math.max.apply({}, heights));