function showhide(div) {
	
	if (document.getElementById("stato").innerHTML == 'aperto') {
		
		document.getElementById("news").style.display = 'none';
		document.getElementById("stato").innerHTML = "chiuso";
		document.getElementById("mostra").style.display = 'block';
		
	} else {
		
		document.getElementById("news").style.display = 'block';
		document.getElementById("stato").innerHTML = "aperto";
		document.getElementById("mostra").style.display = 'none';

	}
		
}