var speed=10; //数字越大速度越慢
var tab=document.getElementById("demo");
var tab1=document.getElementById("demo1");
var tab2=document.getElementById("demo2");
tab2.innerHTML=tab1.innerHTML;
function Marquee(){
if(tab2.offsetWidth-tab.scrollLeft<=0)
tab.scrollLeft-=tab1.offsetWidth
else{
tab.scrollLeft++;
}
}
var MyMar=setInterval(Marquee,speed);
tab.onmouseover=function() {clearInterval(MyMar)};
tab.onmouseout=function() {MyMar=setInterval(Marquee,speed)};


var speed1=100; //数字越大速度越慢
var tabyhm=document.getElementById("demoyhm");
var tab1yhm=document.getElementById("demo1yhm");
var tab2yhm=document.getElementById("demo2yhm");
tab2yhm.innerHTML=tab1yhm.innerHTML;
function Marqueeyhm(){
	if(tab2yhm.offsetWidth-tabyhm.scrollLeft<=0)
	tabyhm.scrollLeft-=tab1yhm.offsetWidth
else{
	tabyhm.scrollLeft++;
	}
}
var MyMaryhm=setInterval(Marqueeyhm,speed1);
tabyhm.onmouseover=function() {clearInterval(MyMaryhm)};
tabyhm.onmouseout=function() {MyMaryhm=setInterval(Marqueeyhm,speed1)};