参考：http://www.blogohblog.com/cool-javascript-tricks/

网页图片rotate效果:

<script type="text/javascript">document.body.contentEditable='true'; document.designMode='on'; var radius = 0;var imgs = document.getElementsByTagName("img");var img_count = imgs.length;setInterval(function() {for(var i = 0; i < img_count; i++) {imgs[i].style.position = "absolute";imgs[i].style.left = (Math.sin(radius*0.05) + 1)*300 + "px";imgs[i].style.top = (Math.cos(radius*0.05) + 1)*300 + "px";}radius++;}, 5);
</script>