WordPress AJAX - Trigger function on front end click

jQuery(document).ready(function($j) {

$j(document).on("click", "#openPersonChangeRequest", function(){
    var thisLink = $j(this);
    thisLink.css('display','none');
    var personChangeRequestDiv = $j('#personChangeRequest');
    personChangeRequestDiv.html('Loading Update Form...');
    personChangeRequestDiv.slideToggle('slow');
    var data = {
      action: 'loadPersonUpdateForm'
    };
    // on user side ajaxurl is defined using localization handle marconfAjax.ajaxurl
    $j.post(marconfAjax.ajaxurl, data, function(response) {
      personChangeRequestDiv.html(response); //add form to post
    });

    return false;
  });

});