rquee1(){ if(demo4.offsetWidth-demo0.scrollLeft<=0) demo0.scrollLeft-=demo3.offsetWidth else{ demo0.scrollLeft++ } } var MyMar1=setInterval(Marquee1,speed) demo0.onmouseover=function() {clearInterval(MyMar1)} demo0.onmouseout=function() {MyMar1=setInterval(Marquee1,speed)}