(function(win) {
    var orgLink = win.location.href
    var newLink = ''
    if (/iPhone|iPad|Android/i.test(win.navigator.userAgent)) {
        if (orgLink.indexOf('smart-viewer.html') !== -1) {
            newLink = orgLink.replace('smart-viewer.html', 'smart-sviewer.html')
        }
    } else {
        if (orgLink.indexOf('smart-sviewer.html') !== -1) {
            newLink = orgLink.replace('smart-sviewer.html', 'smart-viewer.html')
        }
    }
    if (newLink) {
        win.location.href = newLink
    }
}(window))