function popup(url, id, breite, hoehe) 
{
	links = (screen.width / 2) - (breite / 2);
    oben = (screen.height / 2) - (hoehe / 2);
    window.open(url, id, "width=" + breite + ", height = " + hoehe + ", status = no, toolbar = no, menubar = no, location = no, resizable = no, titlebar = no, scrollbars = no, fullscreen = no, top = " + oben + ", left = " + links + "");
}

function reloadOpener()
{
	opener.document.location.reload();
}