//is = new BrowserDetectLite();
var imageDirSS;
var ext;
var activePhoto;
var totalPhoto;

// Arrow Functions

function nextPhoto()
{
        if (document.images)
        {
                if (activePhoto == totalPhoto)
                {
                        activePhoto = 1;
                }
                else
                {
                        activePhoto = activePhoto + 1;
                }
                document.images['photo'].src = imageDirSS + pref + activePhoto + ext;
        }
}

function prevPhoto()
{
        if (document.images)
        {
                if (activePhoto == 1)
                {
                        activePhoto = totalPhoto;
                }
                else
                {
                        activePhoto = activePhoto - 1;
                }
                document.images['photo'].src = imageDirSS + pref  + activePhoto + ext;
        }
}