function news(z){
	for(var i = 1; i < ile_newsow; i++){
		var x;
		x = document.getElementById('n-0'+i);
		x.style.display = 'none';
						
		p = document.getElementById('news-0'+i);
		p.className = 'news';
	}
	t = document.getElementById('n-0'+z);
	t.style.display = 'block';
					
	u = document.getElementById('news-0'+z);
	u.className = 'news_active';
}