// AJAX - dynamic select
url = "";
d = document;
preloadText = "<span style='color:#FF0000'>Loading...</span>";

function caricaPagina(pagina,idLayer){
	if (d.getElementById){
		var x=(window.ActiveXObject)?new ActiveXObject("Microsoft.XMLHTTP"):new XMLHttpRequest();
	}
	if (x){
		d.getElementById(idLayer).innerHTML = preloadText;
		//alert("pagina: "+pagina+"\n\nlayer: "+idLayer);
    		x.onreadystatechange = function(){
			if (x.readyState == 4 && x.status == 200){
				el=d.getElementById(idLayer);
				el.innerHTML = x.responseText;
				//alert("readyState: "+x.readyState+"\n\n");
				//alert("status: "+x.status+"\n\n");
				//alert("contenuto: "+x.responseText+"\n\n");
			}
		}
 		
		x.open("GET", url + pagina, true);
		//x.setRequestHeader("Content-Type", "text/html;charset=ISO-8859-1");
		//x.overrideMimeType("text/xml; charset=iso-8859-1");  
		x.send(null);
  	}
}