/*
	* Skip Link Focus (Accessibility Update)
	*
	* @package      joc
	* @author       Lindsay Humes
	* @since        1.0.0
	* @license      GPL-2.0+
*/
(function () {
    var isIe = /(trident|msie)/i.test(navigator.userAgent);

    if (isIe && document.getElementById && window.addEventListener) {
        window.addEventListener('hashchange', function () {
            var id = location.hash.substring(1),
                element;

            if (!(/^[A-z0-9_-]+$/.test(id))) {
                return;
            }

            element = document.getElementById(id);

            if (element) {
                if (!(/^(?:a|select|input|button|textarea)$/i.test(element.tagName))) {
                    element.tabIndex = -1;
                }

                element.focus();
            }
        }, false);
    }
}());