document.write('
'); document.write('
车间展示
'); document.write('
奥德车间展示
'); document.write('
压铸模具制造厂车间展示
'); document.write('
铝合金模具制造厂车间展示
'); document.write('
锌合金压铸厂车间设备
'); document.write('
车间设备
'); document.write('
'); var speed=30 demo2.innerHTML=demo1.innerHTML function Marquee(){ if(demo2.offsetTop-demo.scrollTop<=0) demo.scrollTop-=demo1.offsetHeight else{ demo.scrollTop++ } } var MyMar=setInterval(Marquee,speed) demo.onmouseover=function(){clearInterval(MyMar)} demo.onmouseout=function(){MyMar=setInterval(Marquee,speed)}