<SPAN id="div2" style="FILTER: progidXImageTransform.Microsoft.Wipe(duration=3, gradientsize=0.25,motion=reverse ); WIDTH: 581px; POSITION: absolute; HEIGHT: 191px">
            </SPAN><a onClick="return clickLink(this,'F1/L0','75506')"><script language="javascript">
var m=4; //随机显示图片的总数量
var n=Math.floor(Math.random()*m+1)
switch(n)
{
case 1:
document.write('<img src="images/banner/1.jpg">'); //第1个随机显示的图片地址
break;
case 2:
document.write('<img src="images/banner/2.jpg">'); //第2个随机显示的图片地址
break;
case 3:
document.write('<img src="images/banner/3.jpg">'); //第3个随机显示的图片地址
break;
case 4:
document.write('<img src="images/banner/4.jpg">'); //第3个随机显示的图片地址
break;
}
mytimeout = setTimeout('playHelp()',8000);
</script></a><SPAN style="Z-INDEX: 3; LEFT: 700px; WIDTH: 26px; CURSOR: hand; POSITION: absolute; TOP: 220px; HEIGHT: 26px"
                onclick="clearTimeout(mytimeout);"><IMG alt="Pause" src="images/Pause-hover.gif" border="0"></SPAN>
            <SPAN style="Z-INDEX: 3; LEFT: 730px; WIDTH: 26px; CURSOR: hand; POSITION: absolute; TOP: 222px; HEIGHT: 26px"
                onclick="clearTimeout(mytimeout);playHelp();"><IMG alt="Next" src="images/Next-default.gif" border="0"></SPAN>

不好意思，代码粘了，却还看不到效果，高手能再详细一点吗？图片格式也有问题，好象不是.jpg而是.gif