Js滚动条

   <div id="colee" style="overflow:hidden;height:253px;"><div id="colee1">          
                    <asp:Literal ID="Litlove" runat="Server"></asp:Literal>   
                    </div><div id="colee2"></div></div>
                  
                    <script type="text/javascript">
                        <!--
                        var speed = 50; //数字越大速度越慢
                        var colee = document.getElementById("colee");
                        var colee1 = document.getElementById("colee1");
                        var colee2 = document.getElementById("colee2");
                        colee2.innerHTML = colee1.innerHTML;
                        function Marquee() {
                            if (colee2.offsetHeight - colee.scrollTop <= 0)
                                colee.scrollTop -= colee1.offsetHeight
                            else {
                                colee.scrollTop++;
                            }
                        }
                        var MyMar = setInterval(Marquee, speed);
                        colee.onmouseover = function () { clearInterval(MyMar) };
                        colee.onmouseout = function () { MyMar = setInterval(Marquee, speed) };
                        -->
                   </script>