<script language=javascript>
var time_end;
function playsound()
{
document.Mysound.play();
timer=setTimeout("playsound()",1);
}
function settime()
{
var now=new Date();
var hour=now.getHours();
var minute=now.getMinutes()
//var second=now.getSeconds()
frm.t3.value=hour+":"+minute;
time_id=setTimeout("settime()",1000)
return frm.t3.value
}
function set_time()
{
time_end=frm.t1.value+":"+frm.t2.value;
if(time_end==settime())
{
playsound();
}
timer=setTimeout("set_time()",1);
}
</script>
<body onload=settime()>
<embed
SRC="file:///c:/sod.wav"
HIDDEN=TRUE
NAME="Mysound"
AUTOSTART=FALSE
MASTERSOUND>
<a href="javascript:playsound()">dsdsd</a>                               
<p><form name=frm>
<input type=text name=t3><br>
<input type=text name=t1 size=2 >&nbsp:
<input type=text name=t2 size=2 >
<input type=button name=b1 value="定时" onclick=set_time()>          
</form>
</body>