new way of doing the funtion.js

var candidatePersonalDetails = $('#candidate-personal-details-section');
		var candidateContactDetails = $('#candidate-contact-section');
		var candidateAddressDetails = $('#candidate-address-section');
		var requiredItems = $('.required');


		$(candidatePersonalDetails).data('required', {total: $(candidatePersonalDetails).find(requiredItems).length, filled: 0});
		$(candidatePersonalDetails).find(requiredItems).on('keyup click', function() { checkField($(this), $(candidatePersonalDetails)); });
		$(candidatePersonalDetails).on('keyup click', function() { checkSection($(candidatePersonalDetails), $(candidatePersonalDetails)); });

		//contact deatials fieldchecks

		$(candidateContactDetails).data("required", {total: $(candidateContactDetails).find(requiredItems).length, filled: 0});
		$(candidateContactDetails('.required').on('keyup click', function() { checkField($(this), $(candidateContactDetails)); });
		$(candidateContactDetails).on('keyup click', function() { checkSection($(candidateContactDetails), $(candidateContactDetails)); });

		//address details fieldchecks
		$(candidateAddressDetails).data("required", {total: $(candidateAddressDetails).find(requiredItems).length, filled: 0});
		$(candidateAddressDetails).find(requiredItems).on('keyup click', function() { checkField($(this), $(candidateAddressDetails)); });
		$(candidateAddressDetails).on('keyup click', function() { checkSection($(candidateAddressDetails), $('')); });

		//check form onclick
		$('.candidate-personal-details-button').click(function() {checkForm(($("#candidate-personal-details-section")), $("#unique-identifier"))});

	});