$(document).ready(function() {
    addEvent(window, 'load', initCorners);
    function initCorners() {
        var settings = {
            tl: { radius: 7 },
            tr: { radius: 7 },
            bl: { radius: 7 },
            br: { radius: 7 },
            antiAlias: true
        }
        if ($("#middle").length > 0) curvyCorners(settings, "#middle");
        if ($("#right").length > 0) curvyCorners(settings, "#right");
    }
});