function show_news(){
	
	show = setInterval("change_news()", 1);
	return;
}

function change_news(){
    clearInterval(show);
    
	rand_index = Math.floor(Math.random()*news.length);
	if (document.getElementById){
		div_id = document.getElementById('news-area');
		div_id.innerHTML = '<p>'+news[rand_index]+'</p>';  
	}	
    
    setTimeout('change_news()',20000);
}