function cambio(imm) {
	if(imm=="1") {
	document.getElementById("banner-container").innerHTML='<img src="banner/1.png" alt="RESIDENCE APPARTAMENTI ABETONE CUTIGLIANO" width="400" height="150" id="imga" title="RESIDENCE APPARTAMENTI ABETONE CUTIGLIANO">';
	}
	if(imm=="2") {
	document.getElementById("banner-container").innerHTML='<img src="banner/2.png" alt="APPARTAMENTI ABETONE CUTIGLIANO" width="400" height="150" id="imgb" title="APPARTAMENTI ABETONE CUTIGLIANO">';
	}
	if(imm=="3") {
	document.getElementById("banner-container").innerHTML='<img src="banner/3.png" alt="RESIDENCE ABETONE" width="400" height="150" id="imgc" title="RESIDENCE ABETONE">';
	}
	if(imm=="4") {
	document.getElementById("banner-container").innerHTML='<img src="banner/4.png" alt="RESIDENCE CUTIGLIANO" width="400" height="150" id="imgd" title="RESIDENCE CUTIGLIANO">';
	}	
}