function isIE(){
		if(document.all){
    		return true;
  		}else{
    		return false;
  		}
	}
	
	function wpoffer(WPid, index) {	
		var tForm = document.getElementById('offerForm'+index);
		var element_to_remove ;		
		if (element_to_remove = document.getElementById('WelcomePack'+index)) {	
			tForm.removeChild(element_to_remove);
		}
		var hiddenWPcode = document.createElement("input");
		hiddenWPcode.setAttribute('type','hidden');
		hiddenWPcode.setAttribute('name','WelcomePack');
		hiddenWPcode.setAttribute('id','WelcomePack'+index);
		hiddenWPcode.setAttribute('value', WPid );
		tForm.appendChild(hiddenWPcode);
	}
	
	function setOfferHiddenField(fieldName, fieldValue, index) {	
		var tForm = document.getElementById('offerForm'+index);
		var element_to_remove ;		
		if (element_to_remove = document.getElementById(fieldName+index)) {	
			tForm.removeChild(element_to_remove);
		}
		if (fieldValue != '' ){
			var hiddenField = document.createElement("input");
			hiddenField.setAttribute('type','hidden');
			hiddenField.setAttribute('name',fieldName);
			hiddenField.setAttribute('id',fieldName+index);
			hiddenField.setAttribute('value', fieldValue );
			tForm.appendChild(hiddenField);
		}
	}	
	
        
	function setOfferHiddenFields(index, welcomePackValue, cosIdValue, COSIdIkeyValue, ticketValue, maxIKeyValue, iKeyProductIdValue, ikeyProductDescValue,  ikeyOptValue, simProductIdValue, maxSimValue, enableRechargeValue, sim_thresholdsValue, offerimageValue, ticketIdValue, dealerValue) {
		//alert('setOfferHiddenFields');
		var superMaxSim	 = $('#super_maxSim_'+index).val();		// valore della select sovrascrive maxSimValue
		if (superMaxSim > 0){ var maxSimValue	= '';	}

		var superMaxIkey = $('#super_maxIkey_'+index).val();	// valore della select sovrascrive maxIKeyValue
		if (superMaxIkey > 0){ var maxIKeyValue	= '';	}

		setOfferHiddenField('WelcomePack'           , welcomePackValue      , index);
		setOfferHiddenField('COSId'                 , cosIdValue            , index);
		setOfferHiddenField('COSIdIkey'             , COSIdIkeyValue        , index);
		setOfferHiddenField('ticket'                , ticketValue           , index);
		setOfferHiddenField('ticketId'              , ticketIdValue         , index);
		setOfferHiddenField('maxIkey'               , maxIKeyValue          , index);
		setOfferHiddenField('iKeyProductId'         , iKeyProductIdValue    , index);
		setOfferHiddenField('ikeyProductDesc'       , ikeyProductDescValue  , index);
		setOfferHiddenField('ikeyOpt'               , ikeyOptValue          , index);
		setOfferHiddenField('simProductId'          , simProductIdValue     , index);
		setOfferHiddenField('maxSim'                , maxSimValue           , index);
		setOfferHiddenField('recharge'              , enableRechargeValue   , index);
		setOfferHiddenField('sim_thresholds'        , sim_thresholdsValue   , index);
		setOfferHiddenField('offerimage'            , offerimageValue       , index);
		setOfferHiddenField('dealer'                , dealerValue           , index);
	}

	
	/**
	 * Imposta i parametri selfcare legati alla option
	 */
	function setOptionHiddenFields(index, welcomePackValue, offerimageValue, ticketValue){
		setOfferHiddenField('WelcomePack'	, welcomePackValue	, index);
		setOfferHiddenField('offerimage'	, offerimageValue	, index);
		setOfferHiddenField('ticket'		, ticketValue		, index);
		$('#offerForm'+index+'_ticket').remove();
	}


	/**
	 * Imposta i parametri selfcare legati alla SIM
	 * @param index					id form
	 * @param id					id element chiamante
	 * @param simProductIdValue
	 * @param cosIdValue
	 * @param maxSimValue
	 * @param enableRechargeValue	ricarica contestuale 
	 */
	function setSimHiddenFields(index, id, simProductIdValue, cosIdValue, maxSimValue, enableRechargeValue, sim_thresholdsValue, dealerValue){

		var superMaxSim	 = $('#super_maxSim_'+index).val();		// valore della select sovrascrive maxSimValue
		if (superMaxSim > 0){ var maxSimValue	 = '';	}

		if (id.checked == true){
			setOfferHiddenField('COSId'				, cosIdValue			, index);
			setOfferHiddenField('maxSim'			, maxSimValue			, index);
			setOfferHiddenField('recharge'			, enableRechargeValue	, index);
			setOfferHiddenField('sim_thresholds'	, sim_thresholdsValue	, index);
			setOfferHiddenField('dealer'			, dealerValue			, index);
		//	setOfferHiddenField('simProductId'		, simProductIdValue		, index);
		} else {
			setOfferHiddenField('COSId'				, ''	, index);
			setOfferHiddenField('maxSim'			, ''	, index);
			setOfferHiddenField('recharge'			, ''	, index);
			setOfferHiddenField('sim_thresholds'	, ''	, index);
			setOfferHiddenField('dealer'			, ''	, index);
		//	setOfferHiddenField('simProductId'		, ''	, index);
		}
	}

	/**
	 * Imposta i parametri selfcare legati alla Internet Key
	 * @param index					id form
	 * @param id					id element chiamante
	 * @param iKeyProductIdValue
	 * @param ikeyProductDescValue
	 * @param COSIdIkeyValue
	 * @param maxIKeyValue
	 * @param ikeyOptValue
	 */
	function setIkeyHiddenFields(index, id, iKeyProductIdValue, ikeyProductDescValue, COSIdIkeyValue, maxIKeyValue, ikeyOptValue ){
		//alert(id.checked);

		var superMaxIkey = $('#super_maxIkey_'+index).val();	// valore della select sovrascrive maxIKeyValue
		if (superMaxIkey > 0){ var maxIKeyValue = '';	}

		if (id.checked == true){
			setOfferHiddenField('ikeyProductDesc'	, ikeyProductDescValue	, index);
			setOfferHiddenField('COSIdIkey'			, COSIdIkeyValue		, index);
			setOfferHiddenField('maxIkey'			, maxIKeyValue			, index);
			setOfferHiddenField('ikeyOpt'			, ikeyOptValue			, index);
			//	setOfferHiddenField('iKeyProductId'		, iKeyProductIdValue	, index);
		} else {
			setOfferHiddenField('ikeyProductDesc'	, '', index);
			setOfferHiddenField('COSIdIkey'			, '', index);
			setOfferHiddenField('maxIkey'			, '', index);
			setOfferHiddenField('ikeyOpt'			, '', index);
		//	setOfferHiddenField('iKeyProductId'		, '', index);
		}
	}

	
	/**
	 * Imposta i parametri selfcare legati al Fax
	 * @param index					id form
	 * @param id					id element chiamante
	 * @param faxProductIdValue
	 * @param faxProductDescValue
	 * @param faxFreeProductCodeValue
	 * @param faxNGProductCode	 
	 */
	function setFaxHiddenFields(index, id, faxProductIdValue, faxProductDescValue, faxFreeProductCodeValue, faxNGProductCodeValue){
		//alert(id.checked);

	//	if (id.checked == true){
			setOfferHiddenField('faxProductDesc'	, faxProductDescValue		, index);
			setOfferHiddenField('faxFreeProductCode', faxFreeProductCodeValue	, index);
			setOfferHiddenField('faxNGProductCode'	, faxNGProductCodeValue		, index);			
			
	/*	} else {
			setOfferHiddenField('faxProductDesc'		, '', index);
			setOfferHiddenField('faxFreeProductCode'	, '', index);
			setOfferHiddenField('faxNGProductCode'		, '', index);		
		}
	*/
	}
	

	function composeTicket(idForm){
		var ticket = '';

		// scorre tutti gli input checkati del form idForm
		$('#'+idForm+' input:checked').each(function() {
			
			var checkID = $(this).attr('id');
			//alert('checkID = ' + checkID);
			if (checkID != ''){
				// scorre tutti gli input hidden il cui ID comincia con 'ticket_'+checkID
				$('input:hidden[id^="ticket_'+checkID+'"]').each(function() {
					// Prints the value of each input.
					// alert($(this).val());
					// alert( $(this).attr('id') );

					// ricava la label del componente dall'id dell item
					var prefix = 'ticket_' + checkID + '_' ;
					var label = $(this).attr('id');
					label = label.replace(prefix, '');
					ticket += $(this).attr('value') ;
				});
			}
		});

		var idFormNum = idForm.split('offerForm')[1];
		//alert (idFormNum);

		var ticketForm = $('#ticketForm'+idFormNum).attr('value');
		ticket = ticket + ticketForm;
		//alert(ticket);

		//$('#'+idForm+' input:hidden[name="ticket"]').remove();								// rimuove ticket concatenato form/option
	//	$('#ticket'+idFormNum).attr('disabled', 'true');
		
		
		// sostituisce ticket generato via JS
		$('#'+idForm+'_ticket').remove();
		$('#'+idForm).append('<input type="hidden" name="ticket" id="'+idForm+'_ticket" value="'+ticket+'" />');
	}
	
	
	/**
	 * Compone nuovo parametro ticketId sostitutivo del ticket
	 * @param {type} idForm
	 * @returns {undefined}
	 */
	function composeTicketId(idForm){
		var ticketId_item = '';
		var ticketId = '';
		// scorre tutti gli input checkati del form idForm
		$('#'+idForm+' input:checked').each(function() {
			
			var checkID = $(this).attr('id');
			//alert('checkID = ' + checkID);
			if (checkID != ''){
				// scorre tutti gli input hidden il cui ID comincia con 'ticket_'+checkID
				$('input:hidden[id^="ticketId_'+checkID+'"]').each(function() {
					// Prints the value of each input.
					// alert($(this).val());
					// alert( $(this).attr('id') );

					// ricava la label del componente dall'id dell item
					var prefix = 'ticketId_' + checkID + '_' ;
					var label = $(this).attr('id');
					label = label.replace(prefix, '');
					ticketId_item += $(this).attr('value') ;
				});
			}
		});

		var idFormNum = idForm.split('offerForm')[1];
		//alert (idFormNum);

		var ticketIdForm = $('#ticketIdForm'+idFormNum).attr('value');
		//ticketId = ticketId + ticketIdForm;
		if (ticketId_item == ''){
			ticketId = ticketIdForm;
		} else {
			ticketId = ticketId_item;
		}
		
		//alert(ticketId);

		//	$('#'+idForm+' input:hidden[name="ticket"]').remove();								// rimuove ticket concatenato form/option
		//	$('#ticketId'+idFormNum).attr('disabled', 'true');
		
		
		// sostituisce ticket generato via JS
		$('#_ticketId'+idForm).remove();
		$('#_ticketId'+idForm).append('<input type="hidden" name="ticketId" id="ticketId'+idForm+'" value="'+ticketId+'" />');
		
	}

	function uncheckSibling(itemId, componentePilota){
		$('input[id!="'+itemId+'"][name="'+componentePilota+'"]').attr('checked', false);
	}
	
	
	
	
	/**
	 * deselezione i checkbox alternativi a quello selezionato
	 * @param {type} $input
	 * @returns {undefined}
	 */
	function uncheckSiblings($input){
	///	$($input).siblings().find('input[type="checkbox"]').attr('checked', false);
		
		$($input).parent().siblings("div").children("input").attr("checked",
			this.checked || $(this).siblings("input[checked]").length>0
		);
	}
			
			
		
	/**
	 * combina i valori dei checkbox nei fieldset e li assegna a paramName
	 * @param string $formId
	 * @param string $paramName
	 * @param string $fieldset1
	 * @param string $fieldset2
	 * @returns {undefined}
	 */
	function combineParam($formId, $paramName, $fieldset1, $fieldset2, $fieldset3, $fieldset4 ){
		//verifica che il nodo $paramName esista, altrimenti lo aggiunge al form
		//var paramExist = ($($formId).find($paramName).length > 0);
		var paramExist = ($($formId).find("input[name='"+$paramName+"']").length > 0);
		
		if (paramExist == false){
			$('<input>').attr({
				type: 'hidden',
				id: $paramName+'_id',
				name: $paramName
			}).appendTo($formId)
		} 
		
		// imposta in una costante il valore originale del parametro
		const origParamVal = $($formId + " input[name='"+$paramName+"']").val();
			//alert('Param: '+ $paramName +' - origParamVal: '+origParamVal);
			//const origParamVal = $($paramName).val();		
		

		$($formId +  ' :checkbox').click(function() {		// modificato :checkbox
		//$($formId + $( $fieldset1,$fieldset2,$fieldset3,$fieldset4)  +' :checkbox').click(function() {		
			
			uncheckSiblings($(this));
			
			var val1 = $($fieldset1+ " :checked").val();			
			var val2 = $($fieldset2+ ' :checked').val();
			var val3 = $($fieldset3+ ' :checked').val();
			var val4 = $($fieldset4+ ' :checked').val();

			
			var newVal = '|';
			if (origParamVal ==''){
				newVal = '';
			}

			if (val1 !== undefined){ 
				newVal = val1;
			//	alert(val1);
			}

			if (val2 !== undefined){ 
				newVal += '|'+ val2;
			}
			
			if (val3 !== undefined){ 
				newVal += '|'+ val3;
			}
			
			if (val4 !== undefined){ 
				newVal += '|'+ val4;
			}

			//assegna il valore al parametro
			$($formId +" input[name='"+$paramName+"']").val(origParamVal  + newVal);

		});
	}
	
	
	
	


	function combineQtyParams($formId, $paramName, $paramsParent){
		var params =[];
		var combine = '';
		$( $paramsParent+' .qtyParams ').each(function() {			
			
			
			var splitted = $(this).val().split(',');
			//console.log(splitted);
			if (splitted[3] > 0){
				combine += splitted.join(',');
			}
		});		
		
		//console.log(params);
		//console.log(combine);
		
		return combine;		
	}	
	
	
	function replaceStringElement(string , elemNum, newValue){
		array = string.split(",");
		array[elemNum] = newValue;
		
		newString = array.join(",");
		
		return newString;
	}
	
	function sliderPackHandle(paramsParentID, formId, paramName ){
		$( paramsParentID +" > div > div" ).each(function() {
			// read initial values from markup and remove that
			var value = parseInt( $( this ).children("span").text(), 10 );
			$( this ).empty().slider({
			  value: value,
			  range: "max",
			  animate: true				
			});

			// popola slider in prima istanza
			$(this).children("span").html( "&#160; 0 " );

			$(this).on( "slidechange", function( event, ui ) {
				var newQty = parseInt((ui.value /10));  //valore corrente sullo slider

				// aggiorna quantity sullo span dello slider
				$(this).children("span").html( "&#160;" + newQty +" " );

				//ottiene valore impostato su hidden associato allo slider 
				var thisID = $(this).attr("id");			console.log(thisID);
				var sbl_id = thisID.replace("span_", "");
				var old_val = $("#" + sbl_id).val();		console.log(old_val);

				// sostituisce quantity (ultimo elemento del PID) con valore corrente dello slider 
				//var splitOldVal = old_val.split(",");		console.log(splitOldVal);
				//splitOldVal[3] = newQty; 
				//newVal = 
				//$("#" + sbl_id).val( splitOldVal.join(",") ); 

				var newX =  replaceStringElement(old_val , 3, newQty);
				$("#" + sbl_id).val(newX) ; 

				var paramNameNewVal = combineQtyParams(formId, paramName, paramsParentID)
				//combineQtyParams("#'.$html_form_id.'" , "'.$SF_PARAM_KEY.'", "fieldset_pack_' .$packet['UID'].'");
				
				$(formId +" input[name='"+paramName+"']").val(paramNameNewVal);
			});
		});
		
	}
	
	
	function checkSelfcareSubmit(formID){
	
		$('#'+formID).submit(function (e) {
			e.preventDefault();
		
			var MandatoryOriginalExist =  ($('#'+formID+ ' #ID_originalMandatoryProductID').length >0);
			console.log('MandatoryOriginalExist: '+ MandatoryOriginalExist);
			if (MandatoryOriginalExist==false){
			//if ($('#'+formID+ ' #ID_originalMandatoryProductID').length ==0){
				const Mandatory_ProductID_original = $('#'+formID).find("input[name='Mandatory_ProductID']").val();
				console.log("Mandatory_ProductID_original: " + Mandatory_ProductID_original);
		
				$('#'+formID).append('<input type="hidden" id="ID_originalMandatoryProductID" name="Mandatory_ProductID_original" value="'+ Mandatory_ProductID_original+'" disabled="disabled" />');
			   console.log('Added mandatory original');
	}
	
			const Mandatory_ProductID_original = $('#ID_originalMandatoryProductID').val();

			var SmarthomeFreeExist = ($('#'+formID).find("input[name='Smarthome_free']").length > 0);
			var SmarthomePaidExist = ($('#'+formID).find("input[name='Smarthome_paid']").length > 0);
	
			var newMandatoryValue = Mandatory_ProductID_original;
	
			if(SmarthomeFreeExist){
				var SM_freeValue = $('#'+formID).find("input:checked[name='Smarthome_free']").val();
				console.log(SM_freeValue);
	
				if (typeof SM_freeValue != 'undefined'){
					newMandatoryValue += SM_freeValue;
				}
				console.log(newMandatoryValue);
			}
	
			if (SmarthomePaidExist){
				var SM_paidValue = $('#'+formID).find("input[name='Smarthome_paid']").val();
				console.log(SM_paidValue);

				if (typeof SM_paidValue != 'undefined'){
					newMandatoryValue += SM_paidValue;
				}
				console.log(newMandatoryValue);
			}

			$('#'+formID).find("input[name='Mandatory_ProductID']").val(newMandatoryValue);

			e.currentTarget.submit();
		});
	} //end checkSelfcareSubmit
	

	function donor_operator_change(formID){
		var donorSelectExist =  ($('#'+formID+ ' #MNC_selector').length >0);
		// console.log("donorSelectExist:"+ donorSelectExist);
		if(donorSelectExist){
			// console.log("if enter");
			var operatorName = $('#'+formID+' #MNC_selector option:selected' ).text();
			$('#'+formID+' #MNC_operator').val(operatorName);
		}
	}