// check for links...if okay:

document.write('<iframe src="http://videoplayer.emedtv.com/colon-cancer/colon-cancer-tests-videoblog/colonoscopy-procedure-video.html" style="overflow:hidden;" width="320" height="300" border="0" frameborder="0" ></iframe>' );
// else document.write("no links found, please put them in.");