var speed=16;
	var ytDemo=document.getElementById('demoleft');
	var ytDemo1=document.getElementById('demoleft1');
	var ytDemo2=document.getElementById('demoleft2');
	ytDemo2.innerHTML=ytDemo1.innerHTML
	function MarqueeLeft(){
	if(ytDemo2.offsetWidth-ytDemo.scrollLeft<=0)
	ytDemo.scrollLeft-=ytDemo1.offsetWidth
	else{
	ytDemo.scrollLeft++
	}
	}
	var MyMarLeft=setInterval(MarqueeLeft,speed)
	ytDemo.onmouseover=function() {clearInterval(MyMarLeft)}
	ytDemo.onmouseout=function() {MyMarLeft=setInterval(MarqueeLeft,speed)}