<div id="butong_net_left" style="overflow:hidden;width:500px;"> 

<table cellpadding="0" cellspacing="0" border="0">  

<tr><td id="butong_net_left1" valign="top" align="center"> 

<table cellpadding="2" cellspacing="0" border="0"> 

<tr align="center">

<td>校园风光</td>  

<td><img src="images/Activities1.jpg" width="170" height="124"></td> 

<td><img src="images/Activities2.jpg" width="170" height="124"></td> 

<td><img src="images/Activities3.jpg" width="170" height="124"></td> 

<td><img src="images/Activities4.jpg" width="170" height="124"></td> 

<td><img src="images/Activities5.jpg" width="170" height="124"></td> 

</tr> 

</table> 

</td>  

<td id="butong_net_left2" valign="top"></td>  

</tr> 

</table> 

</div> 

    <script type="text/javascript">

        var speed = 10//速度数值越大速度越慢

        

        butong_net_left2.innerHTML = butong_net_left1.innerHTML

        function Marquee3() {

            if (butong_net_left2.offsetWidth - butong_net_left.scrollLeft <= 0)

                butong_net_left.scrollLeft -= butong_net_left1.offsetWidth

            else {

                butong_net_left.scrollLeft++

            }

        }

        var MyMar3 = setInterval(Marquee3, speed)

        butong_net_left.onmouseover = function () { clearInterval(MyMar3) }

        butong_net_left.onmouseout = function ()

        { MyMar3 = setInterval(Marquee3, speed) } 

    </script>