ASP.NET中利用JS实现图片滚动

               JS代码:
 
                           <script type="text/javascript" language="javascript">
                                var speed = 25;
                                demo2.innerHTML = demo1.innerHTML
                                function Marquee() {
                                    if (demo.scrollLeft >= demo1.scrollWidth)
                                        demo.scrollLeft = 0
                                    else {
                                        demo.scrollLeft++