function otworzOkno(url, width, height)
{
	newwindow = '';
	
	if (!newwindow.closed && newwindow.location) {
		newwindow.location.href = url;
	}
	else {
		newwindow=window.open(url,"popWindow", ' width=' + width + ',height=' + height + ',resizable=yes,scrollbars=yes,menubar=yes,toolbar=no,titlebar=no,dependent=yes');
		if (!newwindow.opener) newwindow.opener = self;
	}
	if (window.focus) {newwindow.focus()}
	return false;
}

function zamknijOkno()
{
  window.close();
}