用javascript实现网上点歌
主文件
<html>
<head>
<title>MIDI</title>
<script>
<!--
function opennewWin() {
newWin = window.open("Change.htm","MIDI","toolbar=0,location=0,directories=0")
newWin.creator = self;
}
function closeWin() {
newWin.close();
}
//-->
</script>
</head>
<body bgcolor='#98CCFF' leftMargin='0' topMargin='0' onload="opennewWin()" onUnload="closeWin()">
<P ID=MIDI>
<EMBED src="c7.mid" width="46" height="31" autostart="true" border="0" loop="true">
</EMBED>
</P>
</body>
</html>

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点歌文件

<html>
<head>
<title>点歌台</title>
<script>
<!--
function ChangeMIDI(URL) {
str = "<EMBED src='"+URL+"' width='46' height='31' autostart='true' border='0' loop='true'></EMBED>";
top.creator.document.all.MIDI.innerHTML = str;
}
//-->
</script>
</head>
<body bgcolor='#98CCFF' leftMargin='0' topMargin='0'>
<p align=center>
<a href="javascript:ChangeMIDI('a1.mid')">a1</a><br><br>
<a href="javascript:ChangeMIDI('a2.mid')">a2</a><br><br>
</p>
</body>
</html>