// ==========================================================================			 
// @function		Complete AHAH function
// @author		Daniele Florio
// @site		www.gizax.it
// @version		1.1.2 experimental

// @thanksTo		Andrea Paiola,Walter Wlodarski,Scott Chapman

// (c) 2006 Daniele Florio <daniele@gizax.it>

// ==========================================================================


var completeAHAH = {

	loading : '<br><img src="img/ajax-loader.gif">',

	ahah : function (url, target, delay, method, parameters) {

	  if ( ( method == undefined ) || ( method == "GET" ) || ( method == "get" ) ){
			
			this.creaDIV(target, this.loading);
			
			if (window.XMLHttpRequest) {
				req = new XMLHttpRequest();
			} 
			else if (window.ActiveXObject) {
				req = new ActiveXObject("Microsoft.XMLHTTP");
			}
			if (req) {
				req.onreadystatechange = function() {
					completeAHAH.ahahDone(url, target, delay, method, parameters);
				};
				req.open(method, url, true);
				req.send("");
			}
		}
		if ( (method == "POST") || (method == "post") ){

			this.creaDIV(target, this.loading);

			if (window.XMLHttpRequest) {
				req = new XMLHttpRequest();
			} 
			else if (window.ActiveXObject) {
				req = new ActiveXObject("Microsoft.XMLHTTP");
			}
			if (req) {
				req.onreadystatechange = function() {
					completeAHAH.ahahDone(url, target, delay, method, parameters);
				};
				req.open(method, url, true);
				req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
				req.send(parameters);
			 }
		}
	},
	
	creaDIV : function (target, html){

	   if (document.body.innerHTML){
			   document.getElementById(target).innerHTML = html;
	   }
	   else if (document.getElementById){
			   var element = document.getElementById(target);
			   var range = document.createRange();

			   range.selectNodeContents(element);
			   range.deleteContents();
			   element.appendChild(range.createContextualFragment(html));

	   }
	},

	ahahDone : function (url, target, delay, method, parameters) {		
		if (req.readyState == 4) { 
			element = document.getElementById(target);
			if (req.status == 200) {
                                    this.creaDIV(target, req.responseText); 
                                  
                                          
			} 		
			else {
				this.creaDIV(target, "ahah error:\n"+req.responseText);
			}
		}
	},
	
	/*

	@@ parameters : 
	fileName	= name of your cgi or other
	method		= GET or POST, default is GET
	formName	= name of your form
	dynamicTarget	= name of your dynamic Target DIV or other

	@@ usage : 
	<form id="formName" action="javascript:completeAHAH.likeSubmit('fileName', 'method', 'formName', 'dynamicTarget');">

	*/

	likeSubmit : function ( file, method, formName, target ) {

		var the_form = document.getElementById(formName);
		var num = the_form.elements.length;
		var url = "";
		var radio_buttons = new Array();
		var nome_buttons = new Array();
		var check_buttons = new Array();

		// submit radio values
		var j = 0;
		var a = 0;
		for(var i=0; i < the_form.length; i++){
			var temp = the_form.elements[i].type;
			if ( (temp == "radio") && ( the_form.elements[i].checked) ) { 
				nome_buttons[a] = the_form.elements[i].name;
				radio_buttons[j] = the_form.elements[i].value; 
				j++; 
				a++;
			}
		}
		for(var k = 0; k < radio_buttons.length; k++) {
			url += nome_buttons[k] + "=" + radio_buttons[k] + "&";
		}

		// submit checkbox values
		var j = 0;
		var a = 0;
		for(var i=0; i < the_form.length; i++){
			var temp = the_form.elements[i].type;
			if ( (temp == "checkbox") && ( the_form.elements[i].checked) ) { 
				nome_buttons[a] = the_form.elements[i].name;
				check_buttons[j] = the_form.elements[i].value; 
				j++; 
				a++;
			}
		}
		for(var k = 0; k < check_buttons.length; k++) {
			url += nome_buttons[k] + "=" + check_buttons[k] + "&";
		}

		// submit all kind of input		
		for (var i = 0; i < num; i++){	
			var chiave = the_form.elements[i].name;
			var valore = the_form.elements[i].value;
			var tipo = the_form.elements[i].type;

			if ( (tipo == "submit") || (tipo == "radio") || (tipo == "checkbox") ){}
			else {
				url += chiave + "=" + valore + "&";
			}
		}

		var parameters = url;
		url = file + "?" + url;

		if (method == undefined) { 
			method = "GET"; 	
		}
		if (method == "GET") { 
			this.ahah(url, target, '', method, ''); 
		}
		else { 
			this.ahah(file, target, '', method, parameters); 
		}
	}

};


// constants to define the title of the alert and button text.
var ALERT_TITLE = "Oops!";
var ALERT_BUTTON_TEXT = "Ok";

// over-ride the alert method only if this a newer browser.
// Older browser will see standard alerts
if(document.getElementById) {
	window.alert = function(txt) {
		createCustomAlert(txt);
	}
}

function createCustomAlert(txt) {
	// shortcut reference to the document object
	d = document;

	// if the modalContainer object already exists in the DOM, bail out.
	if(d.getElementById("modalContainer")) return;

	// create the modalContainer div as a child of the BODY element
	mObj = d.getElementsByTagName("body")[0].appendChild(d.createElement("div"));
	mObj.id = "modalContainer";
	 // make sure its as tall as it needs to be to overlay all the content on the page
	mObj.style.height = document.documentElement.scrollHeight + "px";

	// create the DIV that will be the alert 
	alertObj = mObj.appendChild(d.createElement("div"));
	alertObj.id = "alertBox";
	// MSIE doesnt treat position:fixed correctly, so this compensates for positioning the alert
	if(d.all && !window.opera) alertObj.style.top = document.documentElement.scrollTop + "px";
	// center the alert box
	alertObj.style.left = (d.documentElement.scrollWidth - alertObj.offsetWidth)/2 + "px";

	// create an H1 element as the title bar
	h1 = alertObj.appendChild(d.createElement("h1"));
	h1.appendChild(d.createTextNode(ALERT_TITLE));

	// create a paragraph element to contain the txt argument
	msg = alertObj.appendChild(d.createElement("p"));
	msg.innerHTML = txt;
	
	// create an anchor element to use as the confirmation button.
	btn = alertObj.appendChild(d.createElement("a"));
	btn.id = "closeBtn";
	btn.appendChild(d.createTextNode(ALERT_BUTTON_TEXT));
	btn.href = "#";
	// set up the onclick event to remove the alert when the anchor is clicked
	btn.onclick = function() { removeCustomAlert();return false; }

	
}

// removes the custom alert from the DOM
function removeCustomAlert() {
	document.getElementsByTagName("body")[0].removeChild(document.getElementById("modalContainer"));
}


function check_form()
{

var form = document.getElementById('form1');
var frame = document.getElementById('frameTarget');
var data1 = form.data1.selectedIndex ;
var data2 = form.data2.selectedIndex ;
var ADT = form.ADT.selectedIndex ;
var CHD = form.CHD.selectedIndex ;
var INF = form.INF.selectedIndex ;
var max_pax = document.getElementById('max_pax_ok').value ;
var tot_pax = CHD + ADT  ;
var extra = '' ;

if (data1 == 0 || data2 == 0)
{
alert('Seleziona i periodi di soggiorno !');
return false; 
}

if (data1 > data2)
{
alert('I periodi selezionati non sono corretti');
return false; 
}

if ( (data2 - data1) < 0  )
{
alert('Il periodi non sono susseguenti');
return false; 
}

if ( (data2 - data1) > 4 )
{
alert('Il soggiorno supera le 4 settimane di permanenza');
return false; 
}

if (tot_pax == 0 )
{
alert('Non hai specificato il numero dei partecipanti');
return false; 
}

if (ADT == 0 )
{
alert('Almeno un adulto deve essere selezionato');
return false; 
}

if (tot_pax > max_pax )
{
alert('Questa struttura pu� contenere al massimo '+max_pax+' persone');
return false; 
}
document.getElementById('booking').style.display='none';
document.getElementById('target').style.display='block';
window.location.hash = "#top";
}


function send_form()
{

var form = document.getElementById('formx');

var nome = form.nome ;
var citta = form.citta ;
var email = form.email ;
var telefono = form.telefono ;

if (nome.value== "")
{
alert('il nome � un campo obbligatorio');
form.nome.focus;
return false;
}

if (citta.value== "")
{
alert('La citta � un campo obbligatorio');
form.citta.focus();
return false;
}

if (email.value== "")
{
alert('La email � un campo obbligatorio');
form.email.focus();
return false;
}

if (!form.email.value.match(/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/)) 
	{
	alert('La Email non � corretta !') 
	form.email.focus();
	return false;
	}
	

completeAHAH.likeSubmit('send.ajax.php', 'post', 'formx', 'targetSend')

return false;
}

function check_pulizia(val)
{
var target = document.getElementById('check_clean');
if (val == true)
{
target.disabled = false ;
}
else
{
target.disabled = true ;
target.selectedIndex = 0 ;
}
}

function add_week()
{
var data1 = document.getElementById('data1');
var data2 = document.getElementById('data2');

var index_1 = data1.selectedIndex;
data2.selectedIndex = index_1  ;
}