function okienko2(strona,wid,heig){
    var left = ((screen.width/2)-(wid/2));
    var top = ((screen.height/2)-(heig/2)); 
    window.open(strona, '', 'menubar=no,toolbar=no,location=no,directories=no,status=no,scrollbars=yes,resizable=yes,fullscreen=no,channelmode=no,width='+wid+',height='+heig+',TOP='+top+',LEFT='+left+'');
}

function okienko(strona,wid,heig){
	var left = ((screen.width/2)-(wid/2));
	var top = ((screen.height/2)-(heig/2));
	window.open(strona, '', 'menubar=no,toolbar=no,location=no,directories=no,status=no,scrollbars=no,resizable=no,fullscreen=no,channelmode=no,width='+wid+',height='+heig+',TOP='+top+',LEFT='+left+'');
}

function $(id){
 	return document.getElementById(id);
}