$('#s1').before('<div id="nav">').cycle({
    fx: 'fade',
    speed: (!$.support.opacity)?(0):(1000),
    timeout: 15000,
    pager: '#nav',
    pause: true,
    pauseOnPagerHover: true,
    
    cleartype: !$.support.opacity,
    cleartypeNoBg: !$.support.opacity,
    requeueOnImageNotLoaded: true
});