<div id="multiscroll">
    <div class="ms-left">
        <div class="ms-section">Section 1 left</div>
        <div class="ms-section">Section 2 left</div>
        <div class="ms-section">Section 3 left</div>
    </div>
    <div class="ms-right">
        <div class="ms-section">Section 1 right</div>
        <div class="ms-section">Section 2 right</div>
        <div class="ms-section">Section 3 right</div>
    </div>
</div>

$('#multiscroll').multiscroll({
    scrollingSpeed: 700,
    anchors: ['home', 'about-us'],
    sectionsColor: ['red', 'black'],
    responsiveWidth: 800,
    onLeave: function(index, nextIndex, direction){
        console.log("Leaving" + origin.index);
    },
});