function obrazek(rys,opis) 
{
	okno=window.open(rys,opis,'')
	okno.title=opis
	okno.focus()
}

function changeLang( jezyk )
{
	if ( jezyk == 'pl' )
	{
		document.cookie = "lang=pl";
	}
	else if ( jezyk == 'en' )
	{
		document.cookie = "lang=en";
	}
	document.location=document.location;
}


function showAktualnosci( s )
{
	document.getElementById('rsi').style.display='none';
	document.getElementById('sem').style.display='none';
	document.getElementById('spw').style.display='none';
	document.getElementById(s).style.display='block';
}