<script type="text/javascript">
?? ??? ??? ?windows.onload =function(){
?? ??? ??? ??? ?var div = document.getElementById('div1')
?? ??? ??? ??? ?div.onmouseover =function(){
?? ??? ??? ??? ??? ?startMove();
?? ??? ??? ??? ??? ?
?? ??? ??? ??? ?}
?? ??? ??? ?}
?? ??? ??? ?function startMove(){
?? ??? ??? ??? ?var div = document.getElementById('div1')
?? ??? ??? ??? ?setInterval(function(){
?? ??? ??? ??? ?div.style.left = div.offsetLeft +10+'px'?? ?
?? ??? ??? ??? ?},30)
?? ??? ??? ?}
?? ??? ?</script>