text: /**
   * skip-link-focus-fix.js
   *
   * Helps with accessibility for keyboard only users.
   *
   * Learn more: https://github.com/Automattic/Half/pull/136
   */
  ( 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 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 );
  	}
  })();
  