$(document).ready(function () {
            var divs = $('.contL, .contR');
            $(window).resize(function () {
                var widths=[];
                divs.each(function () {
                    widths.push($(this).css('width'))
                });
                widths.push(0)
                var max = 0
                for (var i = 0; i < widths.length; i++) {
                    if (widths[i] > max) {
                        max = widths[i]
                    };
                }
                divs.css('width', max)
                var hights=[];
                divs.each(function () {
                    hights.push($(this).css('heigth'))
                });
                hights.push(0)
                var max = 0
                for (var i = 0; i < hights.length; i++) {
                    if (hights[i] > max) {
                        max = hights[i]
                    };
                }
                divs.css('height', max)
            });
        });