nowe_okno = null;
function okno(url,width,height){
	nowe_okno = window.open(url,'_blank','fullscreen=no,left=200,top=100,width='+width+',height='+height+',status=no,toolbar=no,menubar=no,scrollbars=no,resizable=no,location=no,directories=no');
    }

function read(url) {okno = window.open(url, 'czytaj','width=350,height=50,resizable=no,scrollbars=no,status=0');}