function round(e, pos) {
    $(e).corner("round 6px " + pos );
}

$(document).ready(function(){
    round('.left h2', 'top');
    round('.center h2', 'top');
    round('.right h2', 'top');
    if (!$.browser.mozilla || $.browser.version[0] < 2)
      round('.box', 'bottom');
    round('.register-box', 'top');
});