.f1          { font-family: Tahoma; font-size: 10pt }
.f2          { font-family: Verdana; font-size: 8pt }
.f3          { font-family: Verdana; font-size: 10pt; font-weight: bold }
.f4          { font-family: Arial; font-size: 8pt }
.f5          { font-family: Arial; font-size: 10pt; font-weight: bold }