$(function(){
    $('.nav_menu').accordion({
        autoHeight: false,
        navigation: true,
        icons: {'headerSelected': 'ui-icon-triangle-1-e'}
    });
    $('.nav_menu a.header').bind("click", function(e) {e.stopPropagation();});
    $('.nav_menu div').each(function(){
        if($(this).html() == ''){
            $(this).removeClass('ui-accordion-content');
        }
    });

    $('#right_sidebar .nav_menu h3 span').hide();

    var cache = {}, lastXhr;

    $('#tag').autocomplete({
        source: function( request, response ) {
                        var term = request.term;
                        if ( term in cache ) {
                                response( cache[ term ] );
                                return;
                        }

                        lastXhr = $.getJSON( "/ajax/gettags", request, function( data, status, xhr ) {
                                cache[ term ] = data;
                                if ( xhr === lastXhr ) {
                                        response( data );
                                }
                        });
                },
        minLength: 1,
        select: function(event, ui){
            $('#main').html('<p align="center"><img src="/images/loading.gif" /></p>');
            $('#main').load('/ajax/getpagesbytag/tag/'+ui.item.value);
        }
    });

});