Called twice afterChange #5

// --------------- Update the position of the timeline ---------------
function _updateTimelinePos(callEvent) {
    var linePos = $el.find('.' + options.className + '-vertical-line').position().left;
    var activeDotPos = $el.find('.' + options.className + '-timeblock.active').position().left;
    var dotRadius = $el.find('.' + options.className + '-timeblock.active .' + options.className + '-dot').width() / 2;

    var diff = activeDotPos - linePos;
    var left;

    if (diff > 0) {
        left = '-' + (Math.abs(diff) + dotRadius + 1) +'';
    } else {
        left = '+' + (Math.abs(diff) - dotRadius - 1) +'';
    }

    var tl=$el.find('.' + options.className + '-timeline');
    if ($(tl).position().left != left) {
        $el.find('.' + options.className + '-timeline').stop().animate({
            left: left
        }, options.animationSpeed, 'easeOutBack', function() {
            if (typeof callEvent != 'undefined') {
                if (callEvent === 'click') {
                    var currYear = $el.find('.' + options.className + '-timeblock.active').first().attr('data-year');
                    hook('afterChange', [currYear]);
                }
                else if (callEvent === 'resize') hook('afterResize');
            }
        });
    }
}