$(document).ready(function () {

    jQuery('.slider').fadeIn(300);
    jQuery('#slider').fadeIn(300);
    if ($("#s4").length) {
        $(function () {
            $('#s4')
						.after('<div id="nav">')
						.cycle({
						    fx: 'fade',
						    speed: 1000,
						    timeout: 6000,
						    pause: 1,
						    pager: '#nav',
						    cleartypeNoBg: true
						});
        });
    };
    if ($("#slider").length) {
        $(window).load(function () {
            $('#slider').nivoSlider();
        });
    };	

});