$j( document ).ready( function() {
	/**
	 * Template form dynamic check
	 */
    $j( '#bookacti-template-data-dialog :input' ).on( 'keyup mouseup change', function() { bookacti_validate_template_form(); });
    
	
	/**
	 * Activity form dynamic check
	 */
    $j( '#bookacti-activity-data-dialog :input' ).on( 'keyup mouseup change', function() { bookacti_validate_activity_form(); });
    

	/**
	 * Validate the repetition fields
	 * @since 1.8.0 (was in bookacti_validate_event_repetition_data)
	 * @version 1.15.0
	 */
	$j( '#bookacti-event-data-dialog, #bookacti-group-of-events-dialog' ).on( 'keyup mouseup change', 'select[name="repeat_freq"], input[name="repeat_from"], input[name="repeat_to"]', function() { 
		var object_type = $j( this ).closest( '#bookacti-group-of-events-dialog' ).length ? 'group' : 'event';
		bookacti_validate_event_repetition_data( object_type );
	});
	
	
	/**
	 * Fill template's days off in calendar editor
	 * @since 1.13.0
	 */
	$j( '#bookacti-template-data-dialog' ).on( 'bookacti_default_template_settings', function() {
		bookacti_delete_days_off_rows( $j( '#bookacti-template-data-dialog .bookacti-date-intervals-table-container' ) );
		$j( '#bookacti-template-data-dialog input.bookacti-days-off-from, #bookacti-template-data-dialog input.bookacti-days-off-to' ).attr( 'min', '' ).attr( 'max', '' );
		
		// Fill Days off option since the bookacti_fill_fields_from_array function won't do it
		var template_data = bookacti.booking_system[ 'bookacti-template-calendar' ][ 'template_data' ];
		if( typeof template_data.settings !== 'undefined' ) {
			if( typeof template_data.settings.days_off !== 'undefined' ) {
				if( ! $j.isEmptyObject( template_data.settings.days_off ) ) {
					bookacti_fill_days_off( $j( '#bookacti-template-data-dialog .bookacti-date-intervals-table-container' ), template_data.settings.days_off );
				}
			}
		}
	});
	
	
	/**
	 * Toggle activity user roles - on check box
	 * @since 1.13.0
	 * @version 1.16.45
	 */
	$j( '#bookacti-activity-data-dialog' ).on( 'change', '#bookacti-display-activity-user-roles', function() {
		$j( '#bookacti-activity-roles-container' ).toggle( $j( this ).prop( 'checked' ) );
	});
	
	
	/**
	 * Toggle group category user roles - on check box
	 * @since 1.13.0
	 * @version 1.16.45
	 */
	$j( '#bookacti-group-category-dialog' ).on( 'change', '#bookacti-display-group-category-user-roles', function() {
		$j( '#bookacti-group-category-roles-container' ).toggle( $j( this ).prop( 'checked' ) );
	});
	
	
	/**
	 * Toggle activity user roles - on bookacti_activity_insert_dialog bookacti_activity_update_dialog
	 * @since 1.13.0
	 * @version 1.15.5
	 */
	$j( '#bookacti-activity-data-dialog' ).on( 'bookacti_activity_insert_dialog bookacti_activity_update_dialog', function() {
		$j( '#bookacti-display-activity-user-roles' ).prop( 'checked', $j( '#bookacti-activity-roles option:selected' ).length ).trigger( 'change' );
	});
	
	
	/**
	 * Toggle group category user roles - on open
	 * @since 1.13.0
	 * @version 1.15.4
	 */
	$j( '#bookacti-group-category-dialog' ).on( 'bookacti_group_category_update_dialog', function() {
		$j( '#bookacti-display-group-category-user-roles' ).prop( 'checked', $j( '#bookacti-group-category-roles option:selected' ).length ).trigger( 'change' );
	});
	
	
	/**
	 * Toggle activity user roles - on close
	 * @since 1.13.0
	 * @version 1.15.4
	 * @param {Event} e
	 * @param {String} scope
	 */
	$j( 'body' ).on( 'bookacti_empty_all_dialogs_forms', function( e, scope ) {
		$j( scope + ' #bookacti-display-activity-user-roles, ' + scope + ' #bookacti-display-group-category-user-roles' ).prop( 'checked', false ).trigger( 'change' );
	});
	
	
	/**
	 * Toggle reschedule activity ids field accoding to reschedule scope value - on change
	 * @since 1.16.0
	 */
	$j( '#bookacti-activity-reschedule-scope' ).on( 'change', function() {
		var reschedule_scope = $j( this ).val() || '';
		$j( '#bookacti-activity-reschedule-activity-ids-container' ).toggle( reschedule_scope.indexOf( 'custom' ) > -1 );
	});
});



// TEMPLATES

/**
 * Check template form
 * @version 1.15.4
 * @returns {Boolean}
 */
function bookacti_validate_template_form() {
	// Get template params
	var title        = $j( '#bookacti-template-title' ).val();
	var duplicate_id = $j( '#bookacti-template-duplicated-template-id' ).val();
	var snap_freq    = $j( '#bookacti-snapduration' ).val();

	// Init boolean test variables
	var valid_form = {
		'isTitle':               false,
		'isSnapFreqFormatted':   false,
		'isDuplicateIdPositive': true,
		'send':                  false
	};

	// Make the tests and change the booleans
	if( title !== '' )                                                  { valid_form.isTitle = true; }
	if( $j.isNumeric( duplicate_id ) && parseInt( duplicate_id ) < 0 )  { valid_form.isDuplicateIdPositive = false; }
	if( /^([0-1][0-9]|2[0-3]):([0-5][0-9])$/.test( snap_freq ) )        { valid_form.isSnapFreqFormatted = true; }

	if( valid_form.isTitle 
	&&  valid_form.isDuplicateIdPositive
	&&  valid_form.isSnapFreqFormatted ) { valid_form.send = true; }

	// Clean the feedbacks before displaying new feedbacks
	$j( '#bookacti-template-data-dialog .bookacti-form-error, #bookacti-template-data-dialog .bookacti-notices' ).remove();
	$j( '#bookacti-template-data-dialog input, #bookacti-template-data-dialog select' ).removeClass( 'bookacti-input-error' );
	if( ! valid_form.send ) { 
		$j( '#bookacti-template-data-dialog' ).append( '<div class="bookacti-notices"><ul class="bookacti-error-list"><li>' + bookacti_localized.error_on_a_form_field + '</li></ul></div>' );
		$j( '#bookacti-template-data-dialog .bookacti-notices' ).show();
	}
	
	// Allow third-party to change the results
	$j( '#bookacti-template-data-dialog' ).trigger( 'bookacti_validate_template_form', [ valid_form ] );

	// Check the results and show feedbacks
	if( ! valid_form.isTitle ){ 
		$j( '#bookacti-template-title' ).addClass( 'bookacti-input-error' ); 
		$j( '#bookacti-template-title' ).parent().append( "<div class='bookacti-form-error'>" + bookacti_localized.error_fill_field + "</div>" ); 
	}
	if( ! valid_form.isDuplicateIdPositive ){ 
		$j( '#bookacti-template-duplicated-template-id' ).addClass( 'bookacti-input-error' );
		$j( '#bookacti-template-duplicated-template-id' ).parent().append( "<div class='bookacti-form-error'>" + bookacti_localized.error_invalid_value + "</div>" );
	}
	if( ! valid_form.isSnapFreqFormatted ){ 
		$j( '#bookacti-snapduration' ).addClass( 'bookacti-input-error' );
		$j( '#bookacti-snapduration' ).parent().append( "<div class='bookacti-form-error'>" + bookacti_localized.error_time_format + "</div>" );
	}
	
	return valid_form.send;
}



// ACTIVITIES

/**
 * Check activity form
 * @version 1.15.19
 * @returns {Boolean}
 */
function bookacti_validate_activity_form() {
	// Get template params
	var title   = $j( '#bookacti-activity-title' ).val();
	var color   = $j( '#bookacti-activity-color' ).val();
	var avail   = $j( '#bookacti-activity-availability' ).val();
	var days    = $j( '#bookacti-activity-duration-days' ).val();
	var hours   = $j( '#bookacti-activity-duration-hours' ).val();
	var minutes = $j( '#bookacti-activity-duration-minutes' ).val();

	// Init boolean test variables
	var valid_form = {
		'isTitle':          false,
		'isColor':          false,
		'isAvail':          false,
		'isAvailPositive':  false,
		'isDays':           false,
		'isHours':          false,
		'isMinutes':        false,
		'isDaysInfTo365':   false,
		'isHoursInfTo23':   false,
		'isMinutesInfTo59': false,
		'isSupToZero':      false,
		'send':             false
	};

	// Make the tests and change the booleans
	if( title.length )                                            { valid_form.isTitle          = true; }
	if( color.length )                                            { valid_form.isColor          = true; }
	if( avail.length )                                            { valid_form.isAvail          = true; }
	if( valid_form.isAvail && parseInt( avail ) >= 0 )            { valid_form.isAvailPositive  = true; }
	if( days.length )                                             { valid_form.isDays           = true; }
	if( hours.length )                                            { valid_form.isHours          = true; }
	if( minutes.length )                                          { valid_form.isMinutes        = true; }
	if( valid_form.isDays      && days <= 365   && days >= 0 )    { valid_form.isDaysInfTo365   = true; }
	if( valid_form.isHours     && hours <= 23   && hours >= 0 )   { valid_form.isHoursInfTo23   = true; }
	if( valid_form.isMinutes   && minutes <= 59 && minutes >= 0 ) { valid_form.isMinutesInfTo59 = true; }
	if( days > 0 || hours > 0 || minutes > 0 )                    { valid_form.isSupToZero      = true; }

	if( valid_form.isTitle 
	&&  valid_form.isColor 
	&&  valid_form.isAvailPositive 
	&&  valid_form.isDaysInfTo365 
	&&  valid_form.isHoursInfTo23 
	&&  valid_form.isMinutesInfTo59 
	&&  valid_form.isSupToZero ) { valid_form.send = true; }

	// Clean the feedbacks before displaying new feedbacks
	$j( '#bookacti-activity-data-dialog .bookacti-form-error, #bookacti-activity-data-dialog .bookacti-notices' ).remove();
	$j( '#bookacti-activity-data-dialog *' ).removeClass( 'bookacti-input-error bookacti-input-warning' );
	if( ! valid_form.send ) {
		$j( '#bookacti-activity-data-dialog' ).append( '<div class="bookacti-notices"><ul class="bookacti-error-list"><li>' + bookacti_localized.error_on_a_form_field + '</li></ul></div>' );
		$j( '#bookacti-activity-data-dialog .bookacti-notices' ).show();
	}
	
	// Allow third-party to change the results
	$j( '#bookacti-activity-data-dialog' ).trigger( 'bookacti_validate_activity_form', [ valid_form ] );

	// Check the results and show feedbacks
	// ERRORS
	if( ! valid_form.isTitle ){ 
		$j( '#bookacti-activity-title' ).addClass( 'bookacti-input-error' ); 
		$j( '#bookacti-activity-title' ).parent().append( "<div class='bookacti-form-error'>" + bookacti_localized.error_fill_field + "</div>" ); 
	}
	if( ! valid_form.isColor ) { 
		$j( '#bookacti-activity-color' ).addClass( 'bookacti-input-error' );
		$j( '#bookacti-activity-color' ).parent().append( "<div class='bookacti-form-error'>" + bookacti_localized.error_fill_field + "</div>" );
	}
	if( ! valid_form.isAvail || ! valid_form.isAvailPositive ) { 
		$j( '#bookacti-activity-availability' ).addClass( 'bookacti-input-error' );
		$j( '#bookacti-activity-availability' ).parent().append( "<div class='bookacti-form-error'>" + bookacti_localized.error_fill_field + "</div>" );
	}
	if( valid_form.isDays && ! valid_form.isDaysInfTo365 ) { 
		$j( '#bookacti-activity-duration-days' ).addClass( 'bookacti-input-error' );
		$j( '#bookacti-activity-duration-container' ).append( "<div class='bookacti-form-error'>" + bookacti_localized.error_days_sup_to_365 + "</div>" );
	}
	if( valid_form.isHours && ! valid_form.isHoursInfTo23 ) { 
		$j( '#bookacti-activity-duration-hours' ).addClass( 'bookacti-input-error' );
		$j( '#bookacti-activity-duration-container' ).append( "<div class='bookacti-form-error'>" + bookacti_localized.error_hours_sup_to_23 + "</div>" );
	}
	if( valid_form.isMinutes && ! valid_form.isMinutesInfTo59 ) { 
		$j( '#bookacti-activity-duration-minutes' ).addClass( 'bookacti-input-error' );
		$j( '#bookacti-activity-duration-container' ).append( "<div class='bookacti-form-error'>" + bookacti_localized.error_minutes_sup_to_59 + "</div>" );
	}
	if( ! valid_form.isSupToZero ) { 
		$j( '#bookacti-activity-duration-days, #bookacti-activity-duration-hours, #bookacti-activity-duration-minutes' ).addClass( 'bookacti-input-error' );
		$j( '#bookacti-activity-duration-container' ).append( "<div class='bookacti-form-error'>" + bookacti_localized.error_activity_duration_is_null + "</div>" );
	}

	// WARNINGS
	if( ! valid_form.isDays ){ 
		$j( '#bookacti-activity-duration-days' ).addClass( 'bookacti-input-warning' );
		$j( '#bookacti-activity-duration-days' ).val( 0 );
	}
	if( ! valid_form.isHours ){ 
		$j( '#bookacti-activity-duration-hours' ).addClass( 'bookacti-input-warning' );
		$j( '#bookacti-activity-duration-hours' ).val( 0 );
	}
	if( ! valid_form.isMinutes ){ 
		$j( '#bookacti-activity-duration-minutes' ).addClass( 'bookacti-input-warning' );
		$j( '#bookacti-activity-duration-minutes' ).val( 0 );
	}

	return valid_form.send;
}


// EVENTS

/**
 * Check event form
 * @version 1.12.0
 * @returns {Boolean}
 */
function bookacti_validate_event_form() {
	$j( '#bookacti-event-data-dialog .bookacti-notices' ).remove();
	
	var valid_form = {
		'isGeneralValid':    bookacti_validate_event_general_data(),
		'isRepetitionValid': bookacti_validate_event_repetition_data( 'event' ),
		'send':              false
	};
    
	if( valid_form.isRepetitionValid && valid_form.isGeneralValid ) { valid_form.send = true; }
    
	// Allow third party to change results
	$j( '#bookacti-event-data-dialog' ).trigger( 'bookacti_validate_event_form', [ valid_form ] );
	
	return valid_form.send;
}


/**
 * Check event fields - Global tab
 * @version 1.12.0
 * @returns {Boolean}
 */
function bookacti_validate_event_general_data() {
	// Get template params
	var title        = $j( '#bookacti-event-data-dialog #bookacti-event-title' ).val();
	var availability = parseInt( $j( '#bookacti-event-data-dialog #bookacti-event-availability' ).val() );

	// Init boolean test variables
	var valid_form = {
		'isTitle':         false,
		'isAvailPositive': false,
		'send':            false
	};

	// Make the tests and change the booleans    
	if( title !== '' )                                     { valid_form.isTitle = true; }
	if( availability >= 0 )                                { valid_form.isAvailPositive = true; }
	if( valid_form.isTitle && valid_form.isAvailPositive ) { valid_form.send = true; }

	// Clean the feedbacks before displaying new feedbacks
	$j( '#bookacti-event-title-container .bookacti-form-error, #bookacti-event-availability-container .bookacti-form-error, #bookacti-event-data-dialog .bookacti-form-field-error' ).remove();
	$j( '#bookacti-event-title, #bookacti-event-availability' ).removeClass( 'bookacti-input-error' );
	if( ! valid_form.send ) { 
		if( ! $j( '#bookacti-event-data-dialog .bookacti-error-list' ).length ) {
			$j( '#bookacti-event-data-dialog' ).append( '<div class="bookacti-notices"><ul class="bookacti-error-list"></ul></div>' );
		}
		$j( '#bookacti-event-data-dialog .bookacti-error-list' ).append( '<li class="bookacti-form-field-error">' + bookacti_localized.error_on_a_form_field + '</li>' );
		$j( '#bookacti-event-data-dialog .bookacti-notices' ).show();
	}
	
	// Allow third party to change results
	$j( '#bookacti-event-data-dialog' ).trigger( 'bookacti_validate_event_general_data', [ valid_form ] );

	// Check the results and show feedbacks
	if( ! valid_form.isTitle ){ 
		$j( '#bookacti-event-title' ).addClass( 'bookacti-input-error' );
		$j( '#bookacti-event-title-container' ).append( "<div class='bookacti-form-error'>" + bookacti_localized.error_fill_field + "</div>" );
	}
	if( ! valid_form.isAvailPositive ){ 
		$j( '#bookacti-event-availability' ).addClass( 'bookacti-input-error' );
		$j( '#bookacti-event-availability-container' ).append( "<div class='bookacti-form-error'>" + bookacti_localized.error_fill_field + "</div>" );
	}

	return valid_form.send;
}


/**
 * Check event fields - Repetition tab
 * @version 1.13.0
 * @param {String} object_type 'event' or 'group'
 * @returns {boolean}
 */
function bookacti_validate_event_repetition_data( object_type ) {
	if( object_type !== 'group' && object_type !== 'event' ) { return; }
	if( object_type === 'group' && typeof bookacti.booking_system[ 'bookacti-template-calendar' ][ 'selected_events' ][ 0 ] === 'undefined' ) { return; }
	else if( object_type === 'event' && typeof bookacti.booking_system[ 'bookacti-template-calendar' ][ 'picked_events' ][ 0 ] === 'undefined' ) { return; }
	
	var event       = object_type === 'group' ? bookacti.booking_system[ 'bookacti-template-calendar' ][ 'selected_events' ][ 0 ] : bookacti.booking_system[ 'bookacti-template-calendar' ][ 'picked_events' ][ 0 ];
	var event_start = moment.utc( event.start ).clone().locale( 'en' );
	
	var scope = object_type === 'group' ? '#bookacti-group-of-events-dialog' : '#bookacti-event-data-dialog';
	
	var repeat_freq = $j( scope + ' select[name="repeat_freq"]' ).val() ? $j( scope + ' select[name="repeat_freq"]' ).val() : 'none';
	var repeat_from = moment.utc( $j( scope + ' input[name="repeat_from"]' ).val() ).locale( 'en' );
	var repeat_to   = moment.utc( $j( scope + ' input[name="repeat_to"]' ).val() ).locale( 'en' );

	// Init boolean test variables
	var valid_form = {
		'isRepeated':              false,
		'isRepeatFrom':            false,
		'isRepeatTo':              false,
		'isFromBeforeTo':          false,
		'isEventBetweenFromAndTo': false,
		'send':                    false
	};

	// Make the tests and change the booleans
	if( repeat_freq !== 'none' )                                                      { valid_form.isRepeated = true; }
	if( ! isNaN( repeat_from ) && repeat_from !== '' && repeat_from !== null )        { valid_form.isRepeatFrom = true; }
	if( ! isNaN( repeat_to ) && repeat_to !== '' && repeat_to !== null )              { valid_form.isRepeatTo = true; }
	if( valid_form.isRepeatFrom && valid_form.isRepeatTo && repeat_from < repeat_to ) { valid_form.isFromBeforeTo = true; }
	if( valid_form.isRepeated 
	&& repeat_from.isSameOrBefore( event_start, 'day' )
	&& repeat_to.isSameOrAfter( event_start, 'day' ) )                                { valid_form.isEventBetweenFromAndTo = true; }
	
	if( ! valid_form.isRepeated || ( valid_form.isRepeated && valid_form.isRepeatFrom && valid_form.isRepeatTo && valid_form.isFromBeforeTo && valid_form.isEventBetweenFromAndTo ) ) {
		valid_form.send = true;
	}
	
	// Disable all
	if( ! valid_form.isRepeated ) {
		$j( scope + ' input[name="repeat_from"]' ).prop( 'disabled', true );
		$j( scope + ' input[name="repeat_to"]' ).prop( 'disabled', true );
	}
	$j( scope + ' div[id$="-repeat-days-container"]' ).hide();
	$j( scope + ' div[id$="-repeat-monthly_type-container"]' ).hide();
	$j( scope + ' div[id$="-repeat-from-container"]' ).hide();
	$j( scope + ' div[id$="-repeat-to-container"]' ).hide();
	$j( scope + ' div[id$="-repeat-exceptions-container"]' ).hide();
	$j( scope + ' input.bookacti-date-interval-from, ' + scope + ' input.bookacti-date-interval-to' ).attr( 'min', '' ).attr( 'max', '' );
	$j( '#bookacti-group-of-events-repetition-first-event-notice' ).hide();
	
	var exceptions_disabled = false;
	var exceptions_min = moment.utc( repeat_from ).add( 1, 'd' );
	var exceptions_max = moment.utc( repeat_to ).subtract( 1, 'd' );
	if( exceptions_min.isAfter( exceptions_max ) ) { exceptions_disabled = true; };
	
	if( ! exceptions_disabled ) {
		if( valid_form.isRepeatFrom ) { $j( scope + ' input.bookacti-date-interval-from, ' + scope + ' input.bookacti-date-interval-to' ).attr( 'min', exceptions_min.format( 'YYYY-MM-DD' ) ); }
		if( valid_form.isRepeatTo )   { $j( scope + ' input.bookacti-date-interval-from, ' + scope + ' input.bookacti-date-interval-to' ).attr( 'max', exceptions_max.format( 'YYYY-MM-DD' ) ); }
	}

	// Clean the feedbacks before displaying new feedbacks
	$j( scope + ' .bookacti-input-error, ' + scope + ' .bookacti-input-warning' ).removeClass( 'bookacti-input-error bookacti-input-warning' );
	$j( scope + ' .bookacti-repeat-error' ).remove();
	
	if( ! valid_form.send && ! $j( scope + ' .bookacti-error-list' ).length ) { 
		$j( scope ).append( '<div class="bookacti-notices"><ul class="bookacti-error-list"></ul></div>' );
	}
	
	// Allow third party to change results
	$j( scope ).trigger( 'bookacti_validate_event_repetition_data', [ valid_form ] );

	// Display feedbacks if the form is not correct
	if( valid_form.isRepeated ) { 
		// Enable the repeat period fields
		$j( scope + ' input[name="repeat_from"]' ).prop( 'disabled', false );
		$j( scope + ' input[name="repeat_to"]' ).prop( 'disabled', false );
		$j( scope + ' div[id$="-repeat-from-container"]' ).show();
		$j( scope + ' div[id$="-repeat-to-container"]' ).show();
		$j( '#bookacti-group-of-events-repetition-first-event-notice' ).show();
		
		if( repeat_freq === 'weekly' ) {
			$j( scope + ' div[id$="-repeat-days-container"]' ).show();
		} else if( repeat_freq === 'monthly' ) {
			$j( scope + ' div[id$="-repeat-monthly_type-container"]' ).show();
		}
		
		if( valid_form.isFromBeforeTo && valid_form.isEventBetweenFromAndTo ) {
			// Enable the exception fields
			$j( scope + ' div[id$="-repeat-exceptions-container"]' ).show();

		} else {
			$j( scope + ' input[name="repeat_from"], ' + scope + ' input[name="repeat_to"]' ).addClass( 'bookacti-input-error' );
			if( ! valid_form.isFromBeforeTo ) {
				$j( scope + ' .bookacti-error-list' ).append( '<li class="bookacti-repeat-error">' + bookacti_localized.error_repeat_end_before_begin + '</li>' );
			} else if( ! valid_form.isEventBetweenFromAndTo ) {
				$j( scope + ' .bookacti-error-list' ).append( '<li class="bookacti-repeat-error">' + bookacti_localized.error_event_not_btw_from_and_to + '</li>' );
			}
		}
	}

	$j( scope + ' .bookacti-notices' ).toggle( $j( scope + ' .bookacti-notices li' ).length > 0 );
	
	return valid_form.send;
}




// GROUP OF EVENTS

/**
 * Check group of events form
 * @version 1.12.0
 * @returns {Boolean}
 */
function bookacti_validate_group_of_events_form() {
	$j( '#bookacti-group-of-events-dialog .bookacti-notices' ).remove();
	
	var valid_form = {
		'isGeneralValid':    bookacti_validate_group_of_events_general_data(),
		'isRepetitionValid': bookacti_validate_event_repetition_data( 'group' ),
		'send':              false
	};
    
	if( valid_form.isRepetitionValid && valid_form.isGeneralValid ) { valid_form.send = true; }
    
	// Allow third party to change results
	$j( '#bookacti-group-of-events-dialog' ).trigger( 'bookacti_validate_group_of_events_form', [ valid_form ] );
	
	return valid_form.send;
}


/**
 * Check group of events form fields
 * @since 1.12.0
 * @returns {Boolean}
 */
function bookacti_validate_group_of_events_general_data() {
	// Get group params
	var title     = $j( '#bookacti-group-of-events-title-field' ).val();
	var category  = $j( '#bookacti-group-of-events-category-selectbox' ).val();
	var cat_title = $j( '#bookacti-group-of-events-category-title-field' ).val();
	
	// Init boolean test variables
	var valid_form = {
		'isTitle':          false,
		'isCategory':       false,
		'isCategoryTitle':  false,
		'isSelectedEvents': false,
		'send':             false
	};

	// Make the tests and change the booleans
	if( typeof title     === 'string' && title     !== '' )    { valid_form.isTitle = true; }
	if( typeof category  === 'string' && category  !== 'new' ) { valid_form.isCategory = true; }
	if( typeof cat_title === 'string' && cat_title !== '' )    { valid_form.isCategoryTitle = true; }
	if( bookacti.booking_system[ 'bookacti-template-calendar' ][ 'selected_events' ].length >= 2 ) { valid_form.isSelectedEvents = true; }

	if( valid_form.isTitle 
	&& ( valid_form.isCategory || valid_form.isCategoryTitle ) 
	&& valid_form.isSelectedEvents ) { valid_form.send = true; }

	// Clean the feedbacks before displaying new feedbacks
	$j( '#bookacti-group-of-events-dialog .bookacti-form-error, #bookacti-group-of-events-dialog .bookacti-form-field-error' ).remove();
	$j( '#bookacti-group-of-events-dialog input, #bookacti-group-of-events-dialog select' ).removeClass( 'bookacti-input-error' );
	
	if( ! valid_form.send ) { 
		if( ! $j( '#bookacti-group-of-events-dialog .bookacti-error-list' ).length ) {
			$j( '#bookacti-group-of-events-dialog' ).append( '<div class="bookacti-notices"><ul class="bookacti-error-list"></ul></div>' );
		}
		$j( '#bookacti-group-of-events-dialog .bookacti-error-list' ).append( '<li class="bookacti-form-field-error">' + bookacti_localized.error_on_a_form_field + '</li>' );
		$j( '#bookacti-group-of-events-dialog .bookacti-notices' ).show();
	}
	
	// Allow third-party to change the results
	$j( '#bookacti-group-of-events-dialog' ).trigger( 'bookacti_validate_group_of_events_general_data', [ valid_form ] );

	// Check the results and show feedbacks
	if( ! valid_form.isTitle ){ 
		$j( '#bookacti-group-of-events-title-field' ).addClass( 'bookacti-input-error' ); 
		$j( '#bookacti-group-of-events-title-field' ).parent().append( "<div class='bookacti-form-error'>" + bookacti_localized.error_fill_field + "</div>" ); 
	}
	if( ! valid_form.isCategory && ! valid_form.isCategoryTitle ){ 
		$j( '#bookacti-group-of-events-category-title-field' ).addClass( 'bookacti-input-error' ); 
		$j( '#bookacti-group-of-events-category-title-field' ).parent().append( "<div class='bookacti-form-error'>" + bookacti_localized.error_fill_field + "</div>" ); 
	}
	if( ! valid_form.isSelectedEvents ){ 
		$j( '#bookacti-group-of-events-summary' ).addClass( 'bookacti-input-error' ); 
		$j( '#bookacti-group-of-events-summary' ).parent().append( "<div class='bookacti-form-error'>" + bookacti_localized.error_select_at_least_two_events + "</div>" ); 
	}
	
	return valid_form.send;
}


/**
 * Check group category form fields
 * @version 1.12.0
 * @returns {Boolean}
 */
function bookacti_validate_group_category_form() {
	// Get group params
	var title = $j( '#bookacti-group-category-title-field' ).val();

	// Init boolean test variables
	var valid_form = {
		'isTitle': false,
		'send':    false
	};

	// Make the tests and change the booleans
	if( typeof title === 'string' && title !== '' ) { valid_form.isTitle = true; }

	if( valid_form.isTitle ) { valid_form.send = true; }

	// Clean the feedbacks before displaying new feedbacks
	$j( '#bookacti-group-category-dialog .bookacti-form-error, #bookacti-group-category-dialog .bookacti-notices' ).remove();
	$j( '#bookacti-group-category-dialog input, #bookacti-template-data-dialog select' ).removeClass( 'bookacti-input-error' );
	if( ! valid_form.send ) { 
		$j( '#bookacti-group-category-dialog' ).append( '<div class="bookacti-notices"><ul><li>' + bookacti_localized.error_on_a_form_field + '</li></ul></div>' );
		$j( '#bookacti-group-category-dialog .bookacti-notices' ).show();
	}
	
	// Allow third-party to change the results
	$j( '#bookacti-group-category-dialog' ).trigger( 'bookacti_validate_group_category_form', [ valid_form ] );

	// Check the results and show feedbacks
	if( ! valid_form.isTitle ){ 
		$j( '#bookacti-group-category-title-field' ).addClass( 'bookacti-input-error' ); 
		$j( '#bookacti-group-category-title-field' ).parent().append( "<div class='bookacti-form-error'>" + bookacti_localized.error_fill_field + "</div>" ); 
	}

	return valid_form.send;
}