Multiple FlexSliders

Two, Linked Flexsliders

HTML

<link rel="stylesheet" href="http://flexslider.woothemes.com/css/flexslider.css">
<script src="http://flexslider.woothemes.com/js/jquery.flexslider.js"></script>
<div id="#page">
    <div id="main-slider" class="flexslider">
        <ul class="slides">
            <li>
                <img src="http://flexslider.woothemes.com/images/kitchen_adventurer_cheesecake_brownie.jpg"
                />
            </li>
            
            <li>
                <img src="http://flexslider.woothemes.com/images/kitchen_adventurer_cheesecake_brownie.jpg"
                />
            </li>
        </ul>
    </div>
    <div id="reviews-slider" class="flexslider">
        <ul class="slides">
            <li>
                <img src="http://flexslider.woothemes.com/images/kitchen_adventurer_cheesecake_brownie.jpg"
                />
            </li>
            <li>
                <img src="http://flexslider.woothemes.com/images/kitchen_adventurer_lemon.jpg"
                />
            </li>
            <li>
                <img src="http://flexslider.woothemes.com/images/kitchen_adventurer_caramel.jpg"
                />
            </li>
            <li>
                <img src="http://flexslider.woothemes.com/images/kitchen_adventurer_donut.jpg"
                />
            </li>
            <li>
                <img src="http://flexslider.woothemes.com/images/kitchen_adventurer_cheesecake_brownie.jpg"
                />
            </li>
        </ul>
    </div>
</div>

CSS

#page {
    max-width: 500px;
    padding: 1em;
}
#main-slider {
    border: 2px solid red;
}
#reviews-slider {
    border: 2px solid blue;
}

JavaScript

// The slider being synced must be initialized first
  $('#reviews-slider').flexslider({
    animation: "slide",
    controlNav: false,
    animationLoop: false,
    slideshow: false,
    itemWidth: 210,
    itemMargin: 5,
    asNavFor: '#main-slider'
  });
   
  $('#main-slider').flexslider({
    animation: "slide",
    controlNav: false,
    animationLoop: false,
    sync: "#reviews-slider"
  });