// must be loaded *after* jquery-ui
(function($){
    $.extend($.ui.tabs.prototype,{
	    _original_init: $.ui.tabs.prototype._init,
		_init: function() {

		var bindInternalLinks = function (event, ui) {
		    // alert('calling bindInternalLinks');
		    var $tabs = $(this);	    // our toplevel
		    var $data = $tabs.data('tabs'); // tabs object on that
		    var $anchors = $data.anchors; // jquery list of known anchors
		    var $lis = $data.lis; // jquery list of corresponding tabs
		    var $panel = $(ui.panel); // jquery object on body
		    // look for anchors that might be to another tab
		    // if so, overlay them as 'select' triggers
		    $panel.find('a[href]').each(function() {
			    var $a = $(this);
			    var $href = $a.attr('href');
			    var $index = $anchors.index($anchors.filter('[href="'+$href+'"]'));
			    if ($index > -1) {
				var $li = $lis.eq($index);
				$a.click(
					 function () {$tabs.tabs('select',$index)}
					 );
				// add hover-highlight as well
				$a.hover(
					 function () {$li.addClass('ui-state-hover')},
					 function () {$li.removeClass('ui-state-hover')}
					 );
			    }; // end if
			}); // end foreach a
		}; // end bindInternalLinks

		// alert(this.option('bindInternalLinks'));

		if(this.option('bindInternalLinks')){
		    this.element.bind('tabsshow', bindInternalLinks);
		}; // end if

		this._original_init();
	    }, // end _init
		});

    $.extend($.ui.tabs.defaults, {
	    bindInternalLinks:false
		});
})(jQuery);