$ret .= sprintf('$("caller").style.visibility = "visible";');
$ret .= sprintf('$("chooseed").style.visibility = "hidden";');
$ret .= sprintf('$("astalascio").style.visibility = "";');
$ret .= sprintf('$("caller").style.visibility = "visible";');
$ret .= sprintf('$("chooseed").style.visibility = "hidden";');
$ret .= sprintf('$("astalascio").style.visibility = "";');