单条数据横向滚动

<style type="text/css">
#gongao{1000px;height:30px;overflow:hidden;line-height:30px;font-size:13px;font-family:'宋体';background:#DDE5ED;color:#0C77CF;font-weight:bold;}
#gongao #scroll_begin, #gongao #scroll_end{display:inline}
</style>
<script type="text/javascript">
function ScrollImgLeft(){
var speed=50;
var scroll_begin = document.getElementById("scroll_begin");
var scroll_end = document.getElementById("scroll_end");
var scroll_div = document.getElementById("scroll_div");
scroll_end.innerHTML=scroll_begin.innerHTML;
function Marquee(){
if(scroll_end.offsetWidth-scroll_div.scrollLeft<=0)
scroll_div.scrollLeft-=scroll_begin.offsetWidth;
else
scroll_div.scrollLeft++;
}
var MyMar=setInterval(Marquee,speed);
scroll_div.onmouseover=function() {clearInterval(MyMar);}
scroll_div.onmouseout=function() {MyMar=setInterval(Marquee,speed);}
}
</script>
<div id="gongao">
<div style="900px;height:30px;margin:0 auto;white-space: nowrap;overflow:hidden;" id="scroll_div" class="scroll_div">
<div id="scroll_begin">
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</div>
<div id="scroll_end"></div>
</div>
<script type="text/javascript">ScrollImgLeft();</script>
</div>