var speeds=20; //数字越大速度越慢
var tab=document.getElementById("picscroll");
var tab1=document.getElementById("sqBorder");
var tab2=document.getElementById("sqBorder2");
tab2.innerHTML=tab1.innerHTML;
function Marquees(){
if(tab.scrollLeft<=0)
tab.scrollLeft+=tab.offsetWidth
else{
tab.scrollLeft--;
}
}
var MyMars=setInterval(Marquees,speeds);
tab.onmouseover=function() {clearInterval(MyMars)};
tab.onmouseout=function() {MyMars=setInterval(Marquees,speeds)};