/**
 * Opens a popup window and displays the page with the given ID.
 *
 * @param[in] pid
 */
function openWnd(pid) {
    window.open(
        "index.php?id=" + pid, "popup",
        "width=520, height=500, location=no, menubar=no, toolbar=no, " +
        "scrollbars=yes"
    );
}

/**
 * Reloads the current page with another selected language.
 */
function submitLangSel() {
    var ctrl = document.forms["langSelForm"].elements["L"];
    var param = "L=" + ctrl.options[ctrl.selectedIndex].value;
    var url = window.location.href;
    if (/L=\d+/.test(url)) url = url.replace(/L=\d+/, param);
    else if (/\?/.test(url)) url += "&" + param;
    else url += "?" + param;
    window.location.href = url;
}