var currentNewsNum = 1;
function showNews(n){
	if(currentNewsNum){
		document.getElementById('newstab_'+currentNewsNum).className = '';
		document.getElementById('newslist_'+currentNewsNum).style.display = 'none';
		currentNewsNum = null;
	}
	if(n){
		document.getElementById('newstab_'+n).className = 'locked';
		document.getElementById('newslist_'+n).style.display = 'block';
		currentNewsNum = n;
	}
}