function fCheckObbligatori(){

	//--- Controllo dei campi obbligatori della form
	
	var strMessage	= "";
	var blnReturn	= true;
	
	//--- Controllo name
	var o2Test	= document.getElementById("name");
	var olblT2	= document.getElementById("lblname");

	if( o2Test != null && o2Test.value == ""){ 
		blnReturn	= false;
		olblT2.innerHTML = "Required.";
	} else {
		olblT2.innerHTML = "";
	}
	
	//--- Controllo city
	var o2Test	= document.getElementById("city");
	var olblT2	= document.getElementById("lblcity");

	if( o2Test != null && o2Test.value == ""){ 
		blnReturn	= false;
		olblT2.innerHTML = "Required.";
	} else {
		olblT2.innerHTML = "";
	}
	
	
	//--- Controllo email
	var o2Test	= document.getElementById("email");
	var olblT2	= document.getElementById("lblemail");

	if( o2Test != null && o2Test.value == ""){ 
		blnReturn	= false;
		olblT2.className =  "email_errore";
		olblT2.innerHTML = "Required.";
	} else {
		olblT2.className =  "email_conferma";
		olblT2.innerHTML = "";
	}	
	
	
	//--- Controllo request
	var o2Test	= document.getElementById("request");
	var olblT2	= document.getElementById("lblrequest");

	if( o2Test != null && o2Test.value == ""){ 
		blnReturn	= false;
		olblT2.innerHTML = "Required.";
	} else {
		olblT2.innerHTML = "";
	}


	//--- Controllo Privacy
	var o2Test	= document.getElementById("privacy");
	var olblT2	= document.getElementById("lblprivacy");

	if( o2Test.checked != null && o2Test.checked == false ){
		blnReturn	= false;
		olblT2.innerHTML = "Required.";
	} else {
		olblT2.innerHTML = "";
	}

	return blnReturn;

}


function fVisualizzaPrivacy(){
	document.getElementById("incPrivacy").style.background = '#ffd6be';
}

function createRequestObject() {
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        ro = new XMLHttpRequest();
    }
    return ro;
}

var http = createRequestObject();

function fClearBlocchiEmail() {
	document.getElementById("lblEmail").className =  "email_conferma";
	document.getElementById("lblEmail").innerHTML =  "";
}

function sndReq(action, value1) {
	fClearBlocchiEmail();
	document.getElementById("lblEmail").className =  "email_conferma";
	document.getElementById("lblEmail").innerHTML =  "<img src='immagini/preload/indicator.gif' border='0'>&nbsp;Attendere prego...";
            	
    http.open('get', 'newsletter_request.php?action='+action+'&value1=' + value1);
    http.onreadystatechange = handleResponse;
    http.send(null);
}

function handleResponse() {
    if(http.readyState == 4){
        var response = http.responseText;
        var update = new Array();

        if(response.indexOf('|' != -1)) {
            update = response.split('|');

            switch( update[0]){
            	case "lblInvite":
            		document.getElementById(update[0]).innerHTML = update[1];
            		break;

            	case "checkemail":
            		//alert("update0 = "+update[0]+" - update1 ="+update[1]+" - update2 ="+update[2]);
            		if(update[1] == 1 && update[1] != ""){
            			
            			var oAction	= document.getElementById("action");
            			
            			document.getElementById("lblEmail").className =  "email_conferma";
            		} else {
            			document.getElementById("lblEmail").className =  "email_errore";
            		}
            		
            		document.getElementById("lblEmail").innerHTML =  update[2];
            		break;

            	default:
            		alert(response);
            		break;

            }

        }
    }
}



function fCheckEmail(){
	var oAction	= document.getElementById("action");
	var oTxt	= document.getElementById("txtEmail");
	if( oTxt.value != "" ){
		sndReq("checkemail", oTxt.value);
	} else {
		fClearBlocchiEmail();
	}
}