if(document.body.innerHTML.search('/mturk/accept') > 0) { var images = document.body.getElementsByTagName("img"); var num_images = images.length; for(var i = 0; i < num_images; i++) { if(images[i].className == "answer binary image") { images[i].parentNode.removeChild(images[i]); num_images--; i--; } } }