function play(wav){
    var text = '<object width="0" height="0" data="' + base_url + wav + '" type="audio/wav"><param name="src" value="' + base_url + wav + '"/><param name="autostart" value="true"/><param name="loop" value="false"/><param name=hidden value=true></object>';
document.getElementById("kaiwasnd").innerHTML = text;
}