function PencereAc(sayfaURL, sayfaAdi, w, h, scroll, resize) {
var pencereSol = (screen.width - w) / 2;
var pencereSag = (screen.height - h) / 2;
PencereOzellik = 'height='+h+',width='+w+',top='+pencereSag+',left='+pencereSol+',scrollbars='+scroll+',resizable='+resize+''
win = window.open(sayfaURL, sayfaAdi, PencereOzellik)
if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}