图片循环滚动代码(无缝滚动)(分别向上、下、左、右)向上：程序代码<div id=demo style="overflow:hidden; width:128px; height:300px;"><div id=demo1><img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> <img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> <img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> <img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> <img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> <img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> <img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> <img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> <img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> <img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> <img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> </div><div id=demo2></div></div><script language="javascript">var speed=30demo2.innerHTML=demo1.innerHTMLfunction Marquee(){if(demo2.offsetTop-demo.scrollTop<=0)demo.scrollTop-=demo1.offsetHeightelse{demo.scrollTop++}}var MyMar=setInterval(Marquee,speed)demo.onmouseover=function() {clearInterval(MyMar)}demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}</script>向下：程序代码<div id=demo style="overflow:hidden; width:128px; height:300px;"><div id=demo1><img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> <img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> <img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> <img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> <img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> <img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> <img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> <img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> <img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> <img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> <img src="gfjs.gif"><br><img src="bxtt.gif"><br><img src="bzjd.gif"><br> </div><div id=demo2></div></div><script language="javascript">var speed=30demo2.innerHTML=demo1.innerHTMLdemo.scrollTop=demo.scrollHeightfunction Marquee(){if(demo1.offsetTop-demo.scrollTop>=0)demo.scrollTop+=demo2.offsetHeightelse{demo.scrollTop--}}var MyMar=setInterval(Marquee,speed)demo.onmouseover=function() {clearInterval(MyMar)}demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}</script>向左：程序代码<div id=demo style="overflow:hidden;height:100px;width:300px;"><table align=leftcellpadding=0 cellspace=0 border=0><tr><td id=demo1 valign=top><imgsrc="gfjs.gif"><imgsrc="bxtt.gif"><img src="bzjd.gif"><img src="gfjs.gif"><img src="bxtt.gif"><imgsrc="bzjd.gif"></td><td id=demo2 valign=top></td></tr></table></div><script>var speed=30demo2.innerHTML=demo1.innerHTMLfunction Marquee(){if(demo2.offsetWidth-demo.scrollLeft<=0)demo.scrollLeft-=demo1.offsetWidthelse{demo.scrollLeft++}}var MyMar=setInterval(Marquee,speed)demo.onmouseover=function() {clearInterval(MyMar)}demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}</script>向右：程序代码<div id=demo style="overflow:hidden;height:100px;width:300px;"><table align=leftcellpadding=0 cellspace=0 border=0><tr><td id=demo1 valign=top><imgsrc="gfjs.gif"><imgsrc="bxtt.gif"><img src="bzjd.gif"><img src="gfjs.gif"><img src="bxtt.gif"><imgsrc="bzjd.gif"></td><td id=demo2 valign=top></td></tr></table></div><script>var speed=30demo2.innerHTML=demo1.innerHTMLdemo.scrollLeft=demo.scrollWidthfunction Marquee(){if(demo.scrollLeft<=0)demo.scrollLeft+=demo2.offsetWidthelse{demo.scrollLeft--}}var MyMar=setInterval(Marquee,speed)demo.onmouseover=function() {clearInterval(MyMar)}demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)} </script>。