$(document).ready(function() {
    $("[class~=smart-shadow]").each(function(index) {
        var currItem = $(this);
        if (currItem.children().length == 0) {
            currItem.wrap("<div class='shadowed'/>");
            currItem.before("<" + currItem.get(0).tagName + " class='shadow'>" + currItem.html() + "</" + currItem.get(0).tagName + ">");
        }
    });
});