function sortNumber(a,b){
	return a - b;
}

function sameHeight() {
	var heights = new Array();
    $('.column').each(function(){
        $(this).css('height', 'auto');
        heights.push($(this).height());
        heights = heights.sort(sortNumber).reverse();
    });
    $('.column').css('height', heights[0]);    
}

$(function(){
	sameHeight();
});

$(window).resize(sameHeight);