/** * Makes "skip to content" link work correctly in IE9, Chrome, and Opera * for better accessibility. * * @link http://www.nczonline.net/blog/2013/01/15/fixing-skip-to-content-links/ */ ( function() { var isWebkit = navigator.userAgent.toLowerCase().indexOf( 'webkit' ) > -1, isOpera = navigator.userAgent.toLowerCase().indexOf( 'opera' ) > -1, isIE = navigator.userAgent.toLowerCase().indexOf( 'msie' ) > -1; if ( ( isWebkit || isOpera || 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(); // Repositions the window on jump-to-anchor to account for admin bar and border height. window.scrollBy( 0, -53 ); } }, false ); } } )();