This presumption of a donative intent may, of course, be rebutted by a showing of a contrary intent.See Farris v. Farris, (Fla.App. 2d 1975), 304 So.2d 526; Steinhauer v. Steinhauer (Fla.App. 4th, 1971), 252 So.2d 825.See Hanzelik v. Hanzelik (Fla.App. 4th, 1974), 294 So.2d 116.