function AJAXReq(method,url,bool){
  if(window.XMLHttpRequest){
    myReq = new XMLHttpRequest();
  } else 
  
  if(window.ActiveXObject){
    myReq = new ActiveXObject("Microsoft.XMLHTTP");
    
    if(!myReq){
      myReq = new ActiveXObject("Msxml2.XMLHTTP");
    }
  }
  
  if(myReq){
    execfunc(method,url,bool);
  }else{
    alert("Impossibilitati ad usare AJAX");
  }
}

function PreparaDati(){
  stringa = "";
  var frm = document.forms[0];
  var numeroElementi = frm.elements.length;
  for(var i = 0; i < numeroElementi; i++){
    //if (frm.elements[i].value){
		if(i < numeroElementi-1){
			stringa += frm.elements[i].name+"="+encodeURIComponent(frm.elements[i].value)+"&";
		}else{
		  stringa += frm.elements[i].name+"="+encodeURIComponent(frm.elements[i].value);
		}
	//}else{
		//return false;
  	//}
  }
  return true;
}
function VerificaCampi(){
	var nome = document.getElementById("nome").value;
	var categ = document.getElementById("categ").value;
	var descr = document.getElementById("descr").value;
	var email = document.getElementById("mail").value;
	
	// Espressione regolare dell'email
	var email_reg_exp = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{2,})+\.)+([a-zA-Z0-9]{2,})+$/;
	//Effettua il controllo sul campo NOME
	if ((nome == "") || (nome == "undefined")) {
	alert("Il campo Richiedente e' obbligatorio.");
	return false;
	}
	if ((categ == "Scegli...") || (categ == "undefined")) {
	alert("Selezionare una Categoria di Servizio");
	return false;
	}
	if ((descr == "") || (descr == "undefined")) {
	alert("Immettere una descrizione");
	return false;
	}
	if (!email_reg_exp.test(email) || (email == "") || (email == "undefined")) {
	alert("Inserire un indirizzo email corretto.");
	return false;
	}
	
	return true;
}
var myReq;
var stringa;
function InviaDati(){
	
	if (VerificaCampi()){PreparaDati()
 	AJAXReq("POST","sendMail.php",true);
	}
 }

function execfunc(method,url,bool){
  myReq.onreadystatechange = handleResponse;
  myReq.open(method,url,bool);
  
  /* Spiegare setRequestHeader */
  myReq.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=UTF-8");
  myReq.send(stringa);
}

function handleResponse(){
  if(myReq.readyState == 4){
    if(myReq.status == 200){
      alert(myReq.responseText);
    }else{
      alert("Niente da fare, AJAX non funziona :(");
    }
  }
}


/***********************************************
* Dynamic Ajax Content- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

var loadedobjects=""
var rootdomain="http://"+window.location.hostname

function ajaxpage(variabili, containerid,funzione){
document.getElementById(containerid).innerHTML="<div class='Titolo InnTesto'>Attendere Caricamento Pagina</div>";
var page_request = false
if (window.XMLHttpRequest) // if Mozilla, Safari etc
page_request = new XMLHttpRequest()
else if (window.ActiveXObject){ // if IE
try {
page_request = new ActiveXObject("Msxml2.XMLHTTP")
} 
catch (e){
try{
page_request = new ActiveXObject("Microsoft.XMLHTTP")
}
catch (e){}
}
}
else
return false
page_request.onreadystatechange=function(){
loadpage(page_request, containerid,variabili)
}
page_request.open('POST', funzione, true);
page_request.setRequestHeader("content-type", "application/x-www-form-urlencoded");
page_request.send(variabili);
}

function loadpage(page_request, containerid,variabili){
	var parti = new Array();
parti = variabili.split('|');
if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
{
document.getElementById(containerid).innerHTML=page_request.responseText;
if (parti[0]=="variabili=Gallery") initLightbox();
correctPNG();
}else if(page_request.readyState == 2) {
	document.getElementById(containerid).innerHTML="<div class='Titolo InnTesto'>Attendere Caricamento Pagina</div>";
}
}

function loadobjs(){
if (!document.getElementById)
return
for (i=0; i<arguments.length; i++){
var file=arguments[i]
var fileref=""
if (loadedobjects.indexOf(file)==-1){ //Check to see if this object has not already been added to page before proceeding
if (file.indexOf(".js")!=-1){ //If object is a js file
fileref=document.createElement('script')
fileref.setAttribute("type","text/javascript");
fileref.setAttribute("src", file);
}
else if (file.indexOf(".css")!=-1){ //If object is a css file
fileref=document.createElement("link")
fileref.setAttribute("rel", "stylesheet");
fileref.setAttribute("type", "text/css");
fileref.setAttribute("href", file);
}
}
if (fileref!=""){
document.getElementsByTagName("head").item(0).appendChild(fileref)
loadedobjects+=file+" " //Remember this object as being already added to page
}
}
}