$('#mainbox1').cycle({ 
    fx:    'fade', 
    speed:  4000, 
	random: 0,
	delay: 2000	
 });

$('#mainbox2').cycle({ 
    fx:    'fade', 
    speed:  7000, 
	random: 0,
	delay: 2000	
 });

$('#mainbox3').cycle({ 
    fx:    'fade', 
    speed:  4000, 
	random: 0,
	delay: 4000	
 });