
    428 A.2d 681
    Davis et ux. v. Maas et ux., Appellants.
    Submitted December 3, 1979.
    Dianne M. Fitze, for appellants; Brendan Vanston, for appellees.
    Before HESTER, MONTGOMERY and CIRILLO, JJ.
    
    
      
       Judge Vincent A. Cirillo, of the Court of Common Pleas of Montgomery County, Pennsylvania, is sitting by designation.
    
   Order affirmed.  