function OpenWindow(theURL,winName)
		{
		szerokosc=560;
		wysokosc=screen.height-60;
		if (wysokosc>640) wysokosc=460;
		left=(screen.width-szerokosc)/2;
		top_=(screen.height-60-wysokosc)/2;
		window.open(theURL,winName,'toolbar=0,status=0,menubar=0,scrollbars=1,left='+left+',top='+top_+',resizable=1,width='+szerokosc+',height='+wysokosc);
		}