/**
 *
 *  Workaround for IE8 und Webkit browsers to fix focus problems when using skiplinks
 *
 */

(function () {

  var YAML_focusFix = { 

		skipClass : 'skip',
		
		init : function () {
	
  		var userAgent = navigator.userAgent.toLowerCase();
			var	is_webkit = userAgent.indexOf('webkit') > -1;
			var	is_ie = userAgent.indexOf('msie') > -1;
			
			if (is_webkit || is_ie) {
				
        var body = document.body,	handler = YAML_focusFix.click;
				
        if (body.addEventListener) {
					body.addEventListener('click', handler, false);
				} else if (body.attachEvent) {
					body.attachEvent('onclick', handler);
			  }

	    }
		
    },
		
		click : function (e) {
		
    	e = e || window.event;
			var target = e.target || e.srcElement;
		
    	if (target.className.indexOf(YAML_focusFix.skipClass) > -1) {
				YAML_focusFix.focus(target);
			}
		
    },
		
		focus : function (link) {
		
    	var href = link.href,	id = href.substr(href.indexOf('#') + 1), target = document.getElementById(id);
			
      if (target) {
				target.setAttribute("tabindex", "-1");
				target.focus();
		  }

    }

  };

  YAML_focusFix.init();

})();