$(document).ready(function() {
  $('.head-img').cycle({ 
      fx:     'growY', 
      speed:  '1000', 
      timeout: 0,
      timeout: 9000,  
      random:        1,            
      next:   '.img-next', 
      prev:   '.img-back' 
  });
  

$('.img-pause').click(function() { 
    $('.head-img').cycle('pause');
    return false; 
});  

$('.img-back').click(function() { 
    $('.head-img').cycle('resume');
    return false; 
}); 

$('.img-next').click(function() { 
    $('.head-img').cycle('resume');
    return false; 
});   
  
});