// prevent execution of jQuery if included more than once


$.fn.cycle.defaults.timeout = 6000;
$(function() {
    // run the code in the markup!
    $('table pre code').not('#skip,#skip2').each(function() {
        eval($(this).text());
    });
    
    $('#s4') 
        .before('<div id="nav">') 
        .cycle({ 
        fx:     'fade', 
           speed:  'slowslow', 
		   ntc:  '2' ,
           timeout: 0, 
        pager:  '#nav' 
		
        }); 

});