var stp=1;
var speed3=60;
var demo1=document.getElementById("demo1");
var demo2=document.getElementById("demo2");
var demo=document.getElementById("demo");
if(demo1.offsetHeight>=demo.offsetHeight){
demo2.innerHTML=demo1.innerHTML;
}
var isRDown;
function Marquee(){
if(demo.scrollTop==0&&isRDown){
demo.scrollTop+=demo1.offsetHeight;
}else
if(demo2.offsetHeight-demo.scrollTop<=0&&!isRDown){
demo.scrollTop-=demo1.offsetHeight;
}
else{
demo.scrollTop+=stp;
}
}
var dem1=document.getElementById("dem1");
var dem=document.getElementById("dem");
var MyMar=setInterval(Marquee,speed3);
demo.onmouseover=function() {stp=0;}
demo.onmouseout=function() {stp=1;}
