$(document).ready(function(){ 
  if($("#casestudy-scroller ul li").size() > 1) {
    $("#casestudy-scroller").jCarouselLite({
      auto: 3000,
      speed: 1500,
      easing: "easeinout",
      visible: 1
    });
  } else {
    $("#casestudy-scroller").jCarouselLite({
      visible: 1
    });
  }
});