/* Seite in einem neuen Fenster/Tab öffnen. */
function new_tab($url)
{
    NewWindow=window.open($url);
}

/* Seite in einem PopUp Fenster öffnen. */
function popup($url, $id, $width, $height, $top, $left)
{
    NewWindow=window.open($url, $id, 'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes ,resizable=yes, width=' + $width + ', height=' + $height + ', top=' + $top + ', left=' + $left + '');
}

/* Fenster schliessen und auf Wunsch das Eltern Fenster neu laden. */
function close_window($reloadParent)
{
    if ($reloadParent == 1 && window.opener && !window.opener.closed)
    {
        window.opener.location.reload();
    }
    self.close();
}

/* Element anzeigen/verstecken */
function toggle_element($element)
{
    var currentState = document.getElementById($element).style.display;

    if (currentState == 'none')
    {
        //~ confirm('opening...');
        document.getElementById($element).style.display = '';
    }
    else
    {
        //~ confirm('closing...');
        document.getElementById($element).style.display = 'none';
    }
}