addEvent(window, 'load', initCorners);

function initCorners() {
    var settings = {
        tl: { radius: 20 },
        tr: { radius: 20 },
        bl: { radius: 0 },
        br: { radius: 0 },
        antiAlias: true
    }

    var settings1 = {
        tl: { radius: 0 },
        tr: { radius: 0 },
        bl: { radius: 20 },
        br: { radius: 20 },
        antiAlias: true
    }

    var settings2 = {
        tl: { radius: 20 },
        tr: { radius: 20 },
        bl: { radius: 20 },
        br: { radius: 20 },
        antiAlias: true
    }
    curvyCorners(settings, ".cctop");

    curvyCorners(settings1, ".ccbottom");

    curvyCorners(settings2, ".ccall");
}