function caricaPagina(div,page,divwait){
	document.getElementById(divwait).innerHTML = "<span style=\"width:100%;\"><center><img src=\"http://www.vainvacanza.it/images/loading.gif\" alt=\"Caricando...\"></center></span>";
	var xmlHttp;
	try{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e){
		// Internet Explorer
		try{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e){
			try{
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e){
				alert("Your browser does not support AJAX!");
				return false;
			}
		}
	}
	xmlHttp.onreadystatechange=function(){
		if(xmlHttp.readyState==4){
			var response = xmlHttp.responseText;
			document.getElementById(divwait).innerHTML = '';
			document.getElementById(div).innerHTML = response;
			
		}
	}
	// Ora hai l'oggetto xmlHttp
	xmlHttp.open("GET",page,true);
	xmlHttp.setRequestHeader("Connection", "close");
	xmlHttp.send(null);
}