/* součást flowplayer aplikace s funkcí class="playeroverlay" */


    function expand_collapse(elm) {
        var x = elm.nextSibling.id;
        var obj = document.getElementById(x);

        if ((x != null) && (obj.style.display != "block")) {
            obj.style.display = "block";
        } else {
            obj.style.display = "none";
        }
    }