代码如下：
<SCRIPT language="JavaScript"> <!-- var sound1="song1.mid" var sound2="song2.mid" var sound3="song3.mid" var sound4="song4.mid" var sound5="song5.mid" var sound6="song6.mid" var sound7="song7.mid" var sound8="song8.mid" var sound9="song9.mid" var sound10="song10.mid" var x=Math.round(Math.random()*9) if (x==0) x=sound1 else if (x==1) x=sound2 else if (x==2) x=sound3 else if (x==3) x=sound4 else if (x==4) x=sound5 else if (x==5) x=sound6 else if (x==6) x=sound7 else if (x==7) x=sound8 else if (x==8) x=sound9 else x=sound10 if (navigator.appName=="Microsoft Internet Explorer") document.write('<bgsound src='+'"'+x+'"'+' loop="infinite">') else document.write('<embed src='+'"'+x+'"'+'hidden="true" border="0" width="20" height="20" autostart="true" loop="true">') //--> </SCRIPT>