文字滚动

//在线直播文字滚动
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);}
}

<div id="scroll_div" class="scroll_div">
<div id="scroll_begin">在线培训正在直播....</div>
<div id="scroll_end">在线培训正在直播....</div>
</div>

.scroll_div{
margin: 22px 10px 0 10px;
height: 20px;
white-space: nowrap;
overflow:hidden;
}
#scroll_begin{
font-size: 14px;
color: #79cbda;
font-weight:bold;
display: inline;
}
#scroll_end{
font-size: 14px;
color: #79cbda;
font-weight:bold;
display: inline;
}