<script type="text/javascript">
function moveover()
document.getElementById('image').width="200"
document.getElementById('image').height="360"
}
function moveback()
{
document.getElementById('image').width="100"
document.getElementById('image').height="180"
}
</script>
</head>
<body>
<b>请把鼠标移动到图像上：</b><br />
<img id="image" src="2.jpg"
onmouseover="moveover()"
onmouseout="moveback()"
width="100" height="180" />