<script type="text/javascript" src="move.js"></script>

<script type="text/javascript">

window.onload = function(){

var li1 = document.getElementById('li1');

li1.onmouseover = function(){

// startMove(this,'width',400,function(){

// alert(1);

// });

startMove(this,'width',400,function(){

startMove(li1,'height',200,function(){

startMove(li1,'opacity',100);

});//这里不能再用this

})

}

}

</script>