如何实现:在一个下拉列表中任选一首歌,就可以改变背景的Midi音乐,要求用Javascript实现,不需要重新下载页面
:......
<html><head><title>...</title>
<script lanuage=jscript>
function changemusic(){
...
when event change then
window.bgmusic.src='yournewmusicfile';
...
}
</script>
</head>
<body>
<bgsound src="default.wav" ...id=bgmusic>
....
<select name=changemusic onChange="changemusic()">
<option...
</select>
...
</html>