function UnClick(arrow_name) {
	document.all(arrow_name).style.color = "black";
	document.all(arrow_name).src = "/voice/img/btn_play.jpg";
}

function click_sound(object_id, sound_file, arrow_name) {
	document.all(object_id).src = sound_file;
	document.all(arrow_name).src = "/voice/img/stop.gif";

	setTimeout("UnClick(\"" + arrow_name + "\")", 1500);
}