.normal {  font-family: "MS Sans Serif", "Microsoft Sans Serif"; font-size: 4mm}
.small {  font-family: "MS Sans Serif", "Microsoft Sans Serif"; font-size: 3mm}
.big {  font-family: "MS Sans Serif", "Microsoft Sans Serif"; font-size: 16px}
.fix {  background-attachment: fixed; background-position: right top; background-color: #FFFFCC; background-image: url(../thinktank/image/ttbackground.gif); background-repeat: repeat}
.fixac {  font-family: "MS Sans Serif", "Microsoft Sans Serif"; font-size: 4mm}