function wnd(url, width, height, s, wx, xx, i) {
wx=(screen.width/2)-(width/2);
xx=(screen.height/2)-(height/2);
Okno = window.open(url,"displayWindow",'width=' + width + ',height=' + height + ',resizable=0,scrollbars=' + s + ',menubar=no,left=' + wx + ',top=' + xx);
Okno.focus();
}