function switchText(curr, next, opts) {
  
 var newsrc=$(next).attr('src');
 on=newsrc.substr(17,1);
 
 var oldsrc=$(curr).attr('src');
  off=oldsrc.substr(17,1);
 
 
$('#homepage-largewords-cycle img[src$="' + off + '-on.gif"]').attr('src','uploads/homepage/' + off + '.gif');
$('#homepage-largewords-cycle img[src$="' + on + '.gif"]').attr('src','uploads/homepage/' + on + '-on.gif');
 
  
}

$(document).ready(function() {
  
  $('.homepage-slideshow').cycle({
    before: switchText,
    timeout: 3000,
    speed: 500
  });
  
});