$(document).ready(function() {
    $('#s4') 
	.cycle({ 
    fx:     'fade', 
    speed:  'fast', 
    timeout: 5000, 
    pager:  '#nav' 
});
$('#s5') 
	.cycle({ 
    fx:     'fade', 
    speed:  'fast', 
    timeout: 5000 
});
});