var harmarAjax = {
                ajaxurl: 'https://www.harmar.com/wp-admin/admin-ajax.php',
                security: 'c2c7d89c00'
            };
var fromPartner = true;

var liftDesignation = '';

function loadScript(url, callback)
{
    var head = document.getElementsByTagName('head')[0];
    var script = document.createElement('script');
    script.type = 'text/javascript';
    script.src = url;

    script.onreadystatechange = callback;
    script.onload = callback;

    // Fire the loading
    head.appendChild(script);
}

/***************************************
will need to change this to the production server
**************************************************/
function loadPartnerJS() {
    loadScript( 'https://harmar.com/wp-content/plugins/harmar_calculator/includes/class/vehicles/js/partner_include.min.js', null );
}

loadScript( 'https://code.jquery.com/jquery-3.4.1.min.js', loadPartnerJS );