function showWnd(url, width, height) {
 var wnd = window.open(url, null, "height=" + height + ", width=" + width + ", top=" + (window.screen.availHeight / 2 - height / 2) + ", left=" + (window.screen.availWidth / 2 - width / 2) + ",resizable=yes,status=no,scrollbars=yes,toolbar=no,menubar=no,location=no", true);
 if(wnd) {
  wnd.focus();
  wnd.moveTo(window.screen.availWidth / 2 - width / 2, window.screen.availHeight / 2 - height / 2);
  wnd.resizeTo(width, height);
  if(!wnd.opener)
   wnd.opener = self;
//		wnd.location.reload(true);
 }
 return wnd;
}