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Current Path : /var/www/website/bkmh/js/
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Current File : /var/www/website/bkmh/js/skip-link-focus-fix.js

/**
 * 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 );
	}
} )();