$(document).ready(function () {
    $(".dynamicCenter").each(function () {
        var parentWidth, parentPadding, width, margin;

        parentWidth = $(this).parent().width();
        parentPadding = parseInt($(this).parent().css('padding-left'));
        width = $(this).width();
        margin = ((parentWidth - width) / 2) - parentPadding;

        $(this).attr("style", "margin-left:" + margin + "px;");
    });
});