#nav {
	VISIBILITY: hidden
}
#sidebar_box {
	VISIBILITY: hidden
}
#footer {
	VISIBILITY: hidden
}
.two_columns {
	CLEAR: both; WIDTH: 100%
}
.three_columns {
	CLEAR: both; WIDTH: 100%
}
.two_columns .column {
	FLOAT: left; WIDTH: 50%
}
.three_columns .column {
	FLOAT: left; WIDTH: 33%
}