.a1 {
	BORDER-RIGHT: #cccccc 1px solid; BORDER-TOP: #cccccc 1px solid; BORDER-LEFT: #cccccc 1px solid; BORDER-BOTTOM: #cccccc 1px solid
}
.a2 {
	BORDER-RIGHT: #cccccc 1px solid; BORDER-TOP: #cccccc 0px solid; BORDER-LEFT: #cccccc 0px solid; BORDER-BOTTOM: #cccccc 0px solid
}
.a3 {
	BORDER-RIGHT: #cccccc 0px solid; BORDER-TOP: #cccccc 0px solid; BORDER-LEFT: #cccccc 1px solid; BORDER-BOTTOM: #cccccc 0px solid
}