zoom.js

markerLayer.on('click', function (e) {
    var n = e.layer.feature.properties;

    var content= '<div id="myContainer"></div>';

    e.layer.bindPopup(content, {
        closeButton: true,
        minWidth: 600
    });

    e.layer.openPopup();

    // The zoomify code will look for a div with the id myContainer
    // to be on the page, so it needs to be present when this is called -
    // so we call e.layer.openPopup();
    Z.showImage("myContainer", n.Image);
});