// (c) 2006 Christian Ebert Webproduktionen
// Open a new popup window
var win = null;
function openPopup(mypage, myname, w, h, pos, infocus) {
    if (pos == "random") {
      myleft = (screen.width) ? Math.floor(Math.random() * (screen.width-w)):100;
      mytop = (screen.height) ? Math.floor(Math.random() * ((screen.height-h)-75)):100;
    }
    if (pos == "center") {
      myleft = (screen.width) ? (screen.width-w) / 2:100;
      mytop = (screen.height) ? (screen.height-h) / 2:100;
    } else if ((pos !='center' && pos != "random") || pos == null) {
      myleft = 0; mytop = 20
    }
    settings = "width=" + w + ", height=" + h + ",top=" + mytop + ",left=" + myleft + ", scrollbars=no, location=no, directories=no, status=no, menubar=no, toolbar=no, resizable=no";
    win = window.open(mypage, myname, settings);
    win.focus();
}
// Close Popup window and link to a given reference
function linkAndClose(reference){
    opener.location.href(reference);
    window.close();
}