1 /**

     2  * Makes "skip to content" link work correctly in IE9, Chrome, and Opera

     3  * for better accessibility.

     4  *

     5  * @link http://www.nczonline.net/blog/2013/01/15/fixing-skip-to-content-links/

     6  */

     7 

     8 ( function() {

     9 	var ua = navigator.userAgent.toLowerCase();

    10 

    11 	if ( ( ua.indexOf( 'webkit' ) > -1 || ua.indexOf( 'opera' ) > -1 || ua.indexOf( 'msie' ) > -1 ) &&

    12 		document.getElementById && window.addEventListener ) {

    13 

    14 		window.addEventListener( 'hashchange', function() {

    15 			var element = document.getElementById( location.hash.substring( 1 ) );

    16 

    17 			if ( element ) {

    18 				if ( ! /^(?:a|select|input|button|textarea)$/i.test( element.nodeName ) ) {

    19 					element.tabIndex = -1;

    20 				}

    21 

    22 				element.focus();

    23 			}

    24 		}, false );

    25 	}

    26 } )();