presscodes/maera

( function() {
    var is_webkit = navigator.userAgent.toLowerCase().indexOf( 'webkit' ) > -1,
        is_opera  = navigator.userAgent.toLowerCase().indexOf( 'opera' )  > -1,
        is_ie     = navigator.userAgent.toLowerCase().indexOf( 'msie' )   > -1;

    if ( ( is_webkit || is_opera || is_ie ) && document.getElementById && window.addEventListener ) {
        window.addEventListener( 'hashchange', function() {
            var element = document.getElementById( location.hash.substring( 1 ) );

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

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