函數play_over(sef，url){
var div = document . getelementbyid(' div 1 ')；
div.innerHTML = ' & ltembed src = " '+URL+' " loop = " 0 " auto start = " true " hidden = " true " & gt；& lt/embed & gt；'；
var emb = document . getelementsbytagname(' EMBED ')[0]；
如果(emb) {
/*這裏可以寫成判斷wav文件是否已經加載，下面用setTimeout */模擬
div = document . getelementbyid(' div 2 ')；
div . innerhtml = ' loading:'+emb . src；
sef.disabled = true
setTimeout(function(){ div . innerhtml = ' '；},1000);
}
}