/**
 * "Yet Another Multicolumn Layout" - (X)HTML/CSS Framework
 *
 * (en) Workaround for Webkit browsers to fix focus problems when using skiplinks
 * (de) Workaround für Webkit browsers, um den Focus zu korrigieren, bei Verwendung von Skiplinks
 *
 * @note			inspired by Paul Ratcliffe's article 
 *					http://www.communis.co.uk/blog/2009-06-02-skip-links-chrome-safari-and-added-wai-aria
 *
 * @copyright       Copyright 2005-2009, Dirk Jesse
 * @license         CC-A 2.0 (http://creativecommons.org/licenses/by/2.0/),
 *                  YAML-C (http://www.yaml.de/en/license/license-conditions.html)
 * @link            http://www.yaml.de
 * @package         yaml
 * @version         3.2
 * @revision        $Revision$
 * @lastmodified    $Date$
 */

var webkitFocusfix = {
	init: function() {
		
		var	is_webkit = navigator.userAgent.toLowerCase().indexOf('webkit') > -1;
		var i = 0;
		var skiplinks= [];
		
		if (is_webkit)
		{
			if ( document.getElementsByClassName !== undefined) {
				skiplinks = document.getElementsByClassName('skip');
	
				for (i=0; i<skiplinks.length; i++) {
					var target = skiplinks[i].href.substr(skiplinks[i].href.indexOf('#')+1);
					var targetElement = document.getElementById(target);
		
					// make tab accessible 
					targetElement.setAttribute("tabindex", "0");
					
					skiplinks[i].setAttribute("onclick", "document.getElementById('"+target+"').focus();");
				}
			}	
		}
	}
};

webkitFocusfix.init();