musi="wedding.mid"

function mus1()
{
if (t.options.selectedIndex==0){
mus.innerHTML="<embed src="+musi+" loop=-1>"
}
if (t.options.selectedIndex==1){
mus.innerHTML=""
}
}
document.write("<span id='mus' style='position:absolute;top:-90000'><embed src="+musi+" width=0 height=0 loop=-1></span>")
//</script>
//<select name="t" onchange=mus1()>
//<option>Music on
//<option>Music off
//</select>