var bildschirmx = screen.availWidth;
var bildschirmy = screen.availHeight;
var hoehe = 190;
var breite = 200;
var fensterx = 200;
var fenstery = hoehe;

var startx = Math.round((bildschirmx / 2) - (breite / 2) - 10);
var starty = Math.round((bildschirmy / 2) - (fenstery / 2) - 20);

function article_added(VID) {
   loc = '/misc/article_added.php?VID=' + VID;
   win = window.open( loc, "basket_pop", "width=" + breite + ", height=" + hoehe + ", status=no, toolbar=no, menubar=no, resizable=no, scrollbars=no, screenX=" + startx + ", left=" + startx + ", screenY=" + starty + ", top=" + starty + " ");
}