window.onload=function(){ var odiv=document.getelemtnbyid("div); odiv.onmouseover=function(){startMOve();}}odiv.stylevar timer=null; function startmove(){ cleatinterval(timer);timer=setinterval(function(){odiv.style.lft=odiv.offsetLeft+10+"px; if(div.offsetleft>=0{clearinterval (timer);}}),30}