var s,s2,s3,s4,timer; function init(){ s=getid("div1"); s2=getid("grow2"); s3=getid("div3"); s4=getid("scroll"); s4.style.width=(s2.offsetWidth*12+100)+"px"; s3.innerHTML=s2.innerHTML; timer=setInterval(mar,20) } function mar(){ if(s2.offsetWidth<=s.scrollLeft){ s.scrollLeft-=s2.offsetWidth; }else{s.scrollLeft++;} } function getid(id){ return document.getElementById(id); } window.onload=init;