Help Center cutomizations Preset Subject field based on custom field value, Hide Subject, Move Subject and Description fields.

benefex_help_center_forms.js

/************************************************************
	Help Center cutomization (ver 1.0.1)
	Preset & hide Subject field based on custom field value,
	Move Subject and Description fields.
************************************************************/
if (document.location.search.indexOf('ticket_form_id') > -1) {
	(function () {
		var	settings = { // change settings here
				"hide_subject": true,
				"133425":"request_custom_fields_31616405",
				"142789":"request_custom_fields_31627285"
			},
			form_id = window.location.href.split('ticket_form_id=')[1].match(/\d*/),
			field_id = settings[form_id],
			$att = $('div.form-field').last(),
			$subject = $('.request_subject'),
			$subject_input = $('#request_subject'),
			$field = $('#'+field_id),
			field_val = $field.siblings('.nesty-input').text(),
			form_val = $('.request_ticket_form_id').children('.nesty-input').text();
		// set suject
		if (field_id) { // only run on known ticket forms
			if (settings.hide_subject) $subject.hide();
			$subject_input.val(form_val); // default subject to ticket form title
			$field.on('change',function(e){ // sync field and subject
				var new_field_val = $field.siblings('.nesty-input').text(),
					other_val = (form_id == "142789") ? " - " + HelpCenter.user.name : "";
				$subject_input.val(new_field_val + other_val).change();
			});
			// move fields
			$subject.insertBefore($att);
			$('.request_description').insertBefore($att);
			$('.suggestion-list').insertAfter($subject);
		}
	})();
}