代码如下：
<SCRIPT LANGUAGE="JavaScript"> <!-- function PlaySong(SongURL) { PopUp = window.open (SongURL, "Crescendo", "toolbar=no,location=no,directories=no,status=no,scrollbars=no,resizeable=no,copyhistory=no,width=200,height=30") } //--> </SCRIPT> <FORM NAME="midiform"><SELECT NAME="list"><OPTION VALUE="song4.mid" [SELECTED]>MIDI1_NAME <OPTION VALUE="song2.mid">MIDI2_NAME <OPTION VALUe="song3.mid">MIDI3_NAME </SELECT> <P><INPUT TYPE=BUTTON VALUE="PLAY MIDI" onClick="PlaySong(midiform.list.options[midiform.list.selectedIndex].value)"> </FORM>