function changeTopItem(url) {
    var spinner = '<div style="text-align:center; margin-top: 100px;"><img width="30" height="30" style="margin:0 auto" src="/images/spinner.gif"></div>';

    if (isIE7() || isIE8()) {
        $('#top').html(spinner);
        $('#top').load(url, function() {
            topIsLoaded();
            $('#top').css("min-height", "27em");
        })
    }
    else {
        $('#top').animate({opacity:'0'}, 400, 'easeInQuad', function() {
            $('#top').load(url, function() {
                topIsLoaded();
                $('#top').animate({opacity:'1'}, 500, 'easeOutQuad', function() {
                    $('#top').css("min-height", "27em");
                });
            })
        });
    }

    return false;
};


function topIsLoaded() {
    //
}


function initResize() {
    $(window).resize(function() {
        doResize();
    });
    doResize();
}

function doResize() {
    var scale= $(window).width() / 1000;
    //var size= Math.min(Math.max(font_size * scale, font_size_min), font_size_max);
    var size= font_size * scale;
    //size= Math.round(size);
    $('body').css('font-size', size + 'px');
}


function isIE7() {
    return $.browser.msie && parseInt($.browser.version) == 7;
}

function isIE8() {
    return $.browser.msie && parseInt($.browser.version) == 8;
}


//function initHoverIntent() {
//    var hoverintentMenu = {   // settings for hoverintent
//        sensitivity: 4, // number = sensitivity threshold (must be 1 or higher)
//        interval: 100, // number = milliseconds for onMouseOver polling interval; was 50
//        over: menuDown, // function = onMouseOver callback (REQUIRED)
//        timeout: 250, // number = milliseconds delay before onMouseOut; was 250
//        out: menuUp // function = onMouseOut callback (REQUIRED)
//    };
//
//    $('#nav_list > li').hoverIntent(hoverintentMenu);
//}


$(document).ready(function() {
    font_size= parseInt($('body').css('font-size'));
    font_size_min= font_size - 3;
    font_size_max= font_size + 3;

    //initHoverIntent();

    if (show_scroller) {
        initScroller();
    }

    initResize();
});


var show_scroller= false;
var scroller_percent= 50;
var scroller_speed= 500;
var animate_scroller = false;
var scroller_animate_speed= 3000;
var has_scrollbar= false;
var scroller_animate_timer;