views - Cycle - Change background colour on last slide

gistfile1.txt

(function ($) {

$('.view-slider .view-content').cycle({ 
    fx:'scrollLeft'
});

var slideCheck = setInterval(function(){
  if($('.view-slider .view-content .views-row-last').is(':visible')) {
   $('body').addClass('someclassname');
  } else {
   $('body').removeClass('someclassname');
  }
  
}, 100);

})(jQuery);