$(document).on('removeEvent.recaptcha', function (e) {
			$('.btn-submit').off('click');
			$( '.form_ajax' ).off('submit');
			$(document).off('removeEvent.recaptcha');
		});

		// pulsante di conferma del form
		// DEVE ESSERE type="submit" e name="submit" per poter visualizzare i messaggi di errore di validazione
		// memorizza il form dell'elemento (utilizzato alla conferma del recaptcha)
		// effettua la validation HTML5
		// se andato a buon fine
		$('.btn-submit').on('click', function (e) {
			var error = false;

			actual_form = $(this).closest("form");
			
			$('#upload_container_'+actual_form[0].id).show();

			// recupera la classe da applicare in caso di successo
			var func_check = actual_form.data('check');
			if (func_check !== undefined) {
				var fn = window[func_check];
				if (typeof fn === "function") 
					error = fn.apply(null, [this]);
			}

			if ( error ) { // esco da on click
				onErrorRecaptcha();
				return false;
			}
			
			// ricerca il recaptcha del form
			cmlrecaptcha = actual_form.find('.clm-recaptcha');
			cmlrecaptcha_id = -1;
			for (var i = 0; i < clmrecaptchaID.length; i++) {
				if (clmrecaptchaID[i] == cmlrecaptcha[0].id) 
					cmlrecaptcha_id = i;
			}
								
			if (typeof actual_form[0].checkValidity != 'undefined' && !actual_form[0].checkValidity()) {
				onErrorRecaptcha();
			} else {
				e.preventDefault();
				// esegue il recaptcha se esiste per il form e nel pulsante bnt-submit non è stato imposto di non utilizzare il recaptcha altrimenti richiama la funzione di successo
				if ((cmlrecaptcha_id != -1) && (!$(this).hasClass('norecaptcha'))) {
					grecaptcha.reset(clmrecaptchaFunc[cmlrecaptcha_id]);
					grecaptcha.execute(clmrecaptchaFunc[cmlrecaptcha_id]);
				} else {
					if (actual_form.data('gcallback') === undefined)
						gcallback = onSuccessRecaptcha;
					else
						gcallback = window[actual_form.data('gcallback')];
					gcallback();
				}
			}
		});
			
		$( '.form_ajax' ).each(function( index ) {
			$( this ).before('<div id="upload_container_'+this.id+'" class="upload_container" style="display:none"><img src="https://www.vigolo.com/admin/form/load.gif" /></div>');
			init_form(this.id);
		});

		$( '.form_ajax' ).on('submit', function (e) {

			e.preventDefault();

			$('#alert-code-'+this.id).remove();
			$('#upload_container_'+this.id).show();

			// recupera le classi da nascondere
			var class_hide = $(this).find( 'input[name=class_hide]' );
			var value_class_hide = class_hide.val();

			// recupera la classe da applicare in caso di errore
			var func_error_code = $(this).data('error_code');

			// recupera la classe da applicare in caso di successo
			var func_positive_response = $(this).data('positive_response');

			// recupera la classe da applicare in caso di failure
			var func_fail = $(this).data('fail');

			// recupera la classe da applicare in caso di action
			var func_action = $(this).data('action');

			//grab all form data
			var formData1 = new FormData();

			$(this).find( ':input' ).each( function( index, el ) {
				switch (el.name) {
					case "submit":
					case "code":
					case "type":
					case "lang":
					case "lang_id":
					case "from":
				case "module":
					case "em":
					case "class_hide":
						formData1.append(el.name, el.value);
						break;
					case "g-recaptcha-response":
						if (!$(actual_form).find('.btn-submit').hasClass('norecaptcha'))
							formData1.append(el.name, el.value);
						break;
					default:
						field = $(el);

						if (!field.hasClass("no-send")) {
							tagName = field.prop("tagName").toLowerCase();
							appendField = true;
							
							if (field.hasClass("no-normalize")) {
								formData1.append(el.name, el.value);
							} else if (field.attr('type') != "file") {
  							el_lbl_client = el_lbl_admin = lbl_client = lbl_admin = order = required = type = 'undefined';		  							
  							
  							lbl_client = field.data('label');
  							if (typeof lbl_client === 'undefined') lbl_client = el.name;
  							lbl_admin = field.data('admin');
  							if (typeof lbl_admin === 'undefined') lbl_admin = lbl_client;
  							order = field.data('order');
  							if (typeof order === 'undefined') order = -1;
  							required = field.attr('required');
  							if (typeof required === 'undefined') 
  								required = 0;
  							else
  								required = 1;
  							type = field.attr('type');
  							if (typeof type === 'undefined') type = "";
  							if (field.hasClass("cmsdaterange"))
  								type = "cmsdaterange";

							if (tagName == "select") {
								option = field.find(":selected");
  								val_client = option.data('label');
  								if (typeof val_client === 'undefined') val_client = option.val();
  								val_admin = option.data('admin');
  								if (typeof val_admin === 'undefined') val_admin = val_client;
							} else if ((type == "radio") || (type == "checkbox")) {
								checked = field[0].checked;
								if (checked == false)
									appendField = false;
								else {
									el_error = false;
									try {
										el_label = $('[ellabel='+el.name+']');
										if (el_label.length == 0)
											el_error = true;
									} catch (e) {
										el_error = true;
									}
									if (!el_error) {
										if (lbl_client != el.name) {
											val_client = lbl_client;
											val_admin = lbl_admin;
										}

										el_lbl_client = el_label.data('label');
  										if (typeof el_lbl_client !== 'undefined') lbl_client = el_lbl_client;		  										
										el_lbl_admin = el_label.data('admin');
  										if (typeof el_lbl_admin !== 'undefined') 
  											lbl_admin = el_lbl_admin;
  										else
  											lbl_admin = lbl_client;

									} else {
										val_client = el.value;
										val_admin = val_client;
									}
								}
							} else {
								val_client = el.value;
								val_admin = val_client;
							}
  							
							if (appendField) {
  								value = val_client+"|||"+val_admin+"|||"+lbl_client+"|||"+lbl_admin+"|||"+order+"|||"+required+"|||"+type;
  								formData1.append(el.name, value);
  							}
						} else {
							for (i = 0; i < field[0].files.length; i++)
								formData1.append(el.name, field[0].files[i]); 
						}
					}
				}
			} );

			$.ajax({
				type: "POST",
				url: 'https://www.vigolo.com/admin/includes/ajax/ajax_frontend.php',
				content: this,
				data: formData1, 			// Data sent to server, a set of key/value pairs (i.e. form fields and values)
				contentType: false,			// The content type used when sending data to the server.
				cache: false,				// To unable request pages to be cached
				processData:false			// To send DOMDocument or non processed data file it is set to false
			})
			.done(function(data){
				$('#upload_container_'+this.content.id).hide();

				datiJSON = JSON.parse(data);

				// errore
				if (datiJSON.hasOwnProperty('error_code')) {
					if (func_error_code === undefined) {
						$( this.content ).before('<p id="alert-code-'+this.content.id+'" class="bg-danger alert-code"><i class="fa fa-exclamation-triangle"></i> '+datiJSON.error_code+'</p>');
						$( "#alert-code-"+this.content.id )[0].scrollIntoView();
					} else {			
						var fn = window[func_error_code];
						if (typeof fn === "function") 
							fn.apply(null, [this, datiJSON, value_class_hide]);
					}
				}

				// azione non legato a risposta positiva
				if (datiJSON.hasOwnProperty('action')) {
					if (func_action === undefined) {
						switch (datiJSON.action) {
							case 'refresh':
								location.reload();
								break;
						}
					} else {
						var fn = window[func_action];
						if (typeof fn === "function") 
							fn.apply(null, [this, datiJSON, value_class_hide]);
					}
				}

				// risposta positiva
				if (datiJSON.hasOwnProperty('positive_response')) {
					if (func_positive_response === undefined) {
						// action legata a risposta positiva
						if (datiJSON.hasOwnProperty('action')) {
							switch (datiJSON.action) {
								case 'popup':
									$('#popup_result .response_positive').html(datiJSON.positive_response);
									$('#popup_result').modal('show');
									$( this.content ).find('.star').removeClass('fa-star-chosen').removeClass('fa-star-current').removeClass('fa-star').addClass('fa-star-o');
									$( this.content )[0].reset();
									return;
							}
						}

						$( this.content ).after('<div class="response_positive">'+datiJSON.positive_response+'</div>');
						$( this.content ).detach();
						if (value_class_hide !== undefined)
							$('.'+value_class_hide).hide();
					} else {			
						var fn = window[func_positive_response];
						if (typeof fn === "function") 
							fn.apply(null, [this, datiJSON, value_class_hide]);
					}
				}
			})
			.fail(function(data, textStatus, errorThrown) {
				if (func_fail === undefined) {
					$('#upload_container_'+this.content.id).hide();
					$( this.content ).before('<p id="alert-code-'+this.content.id+'" class="bg-danger alert-code"><i class="fa fa-exclamation-triangle"></i> Errore nell\'invio. Riprovare più tardi.<br />Comunicare all\'amministratore del sito le seguenti informazioni:<br /><b>- Status: '+data.status+' '+textStatus+'</b><br /><b>- Error: '+errorThrown+'</b></p>');
				} else {
					var fn = window[func_fail];
					if (typeof fn === "function") 
						fn.apply(null, [this, data, value_class_hide]);
				}
			});
		});