<BODY>
//借助于marquee
<MARQUEEbehavior="scroll"contenteditable="true"onstart="this.firstChild.innerHTML+=this.firstChild.innerHTML;"scrollamount="3"width="100">
<SPANunselectable="on">这里是要滚动的内容</SPAN>
</MARQUEE>
//普通的实现方法
<DIVid="scrollobj"style="white-space:nowrap;overflow:hidden;width:500px;">
<span>这里是要滚动的内容</span>
</DIV>
<scriptlanguage="javascript"type="text/javascript">
functionscroll(obj){
vartmp=(obj.scrollLeft)++;
//当滚动条到达右边顶端时
if(obj.scrollLeft==tmp)obj.innerHTML+=obj.innerHTML;
//当滚动条滚动了初始内容的宽度时滚动条回到最左端
if(obj.scrollLeft>=obj.firstChild.offsetWidth)obj.scrollLeft=0;
}
setInterval("scroll(document.getElementById('scrollobj'))",20);
</script>
</BODY>
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