func TagImage(res http.ResponseWriter, req *http.Request, dbh *db.Dbh) {
tag := req.FormValue("tag")
image := req.FormValue("image")
imagetag := dbh.TagImage(tag, image)
log.Println(imagetag)
http.Redirect(res, req, strings.Join([]string{utils.AppCfg.Url(), "image", image}, "/"), http.StatusFound)
return
}