Con FF e Opera non va
//click fotografico onclick
function playSound() {
document.getElementById("xxx").Run();
}
...
<body>
<object id="xxx" width="0" height="0" classid="CLSID:05589FA1-C356-11CE-BF01-00AA0055595A">
<param name="src" value="res/click.wav" />
<param name="autostart" value="false" />
<param name="controls" value="All" />
<param name="console" value="xxx" />
</object>
...
...onclick="setTimeout('playSound()',10);">Pagina</a>