$(function() {
    //data-image縺ｧ閭梧勹逕ｻ蜒剰ｨｭ螳夲ｼ�div縺ｫdata-image="繝ｪ繝ｳ繧ｯURL"��
    var list = $("[data-image]");
    for (var i = 0; i < list.length; i++) {
      var url = list[i].getAttribute('data-image');
      list[i].style.backgroundImage="url('" + url + "')";
    }
});