$(document).ready(function() {
  $('#pager').cycle({ 
    fx:      'fade',
    timeout:  15000,
    speed:  1000,
    pager: '#nav'
  });
  
  $('#nav a').each(function (i){
    number = $(this).html();
    $('#previews').append('<img id="prev_'+number+'" src="http://www.forexpro.com.ua/images/rotator/7frames/prev_'+number+'.jpg">');
  });
  
  $('#nav a').mouseover(function(){
    offset = $(this).offset();
    number = $(this).html();
    $('#prev_'+number).css({'top':offset.top + 30});
    $('#prev_'+number).css({'left':offset.left + 30});
    $('#prev_'+number).fadeIn(400);
  });
  $('#nav a').mouseout(function(){
    number = $(this).html();
    $('#prev_'+number).fadeOut(100);
  });
  
  function onBefore() { 
  } 
  function onAfter() { 
  }
  
});