lib.altimage = FILES
lib.altimage {
    references {
        table = pages
        data = levelmedia: -1, slide
        fieldName = media
        listNum = 0
        uid.data = page:uid

    }
    begin = 0
    maxItems = 1
    renderObj = IMG_RESOURCE
    renderObj {

            file.treatIdAsReference = 1
            file.import.data = file:current:uid


    }
    stdWrap.wrap = background-image:url(|);
}