var speed=25;

var tableft=document.getelementbyid("demoleft");
var tab1=document.getelementbyid("demo1");
var tab2=document.getelementbyid("demo2");
tab2.innerhtml=tab1.innerhtml;



function marquee1(){
if(tableft.scrollleft>=tab2.offsetwidth)
tableft.scrollleft-=tab1.offsetwidth
else{
tableft.scrollleft++;
}
}





var mymar=setinterval(marquee1,speed);


tableft.onmouseover=function() {clearinterval(mymar)};
tableft.onmouseout=function() {mymar=setinterval(marquee1,speed)};