.column100a {
	float:left;
	width:815px;
	padding-right:15px;
}
.column50a {
	float:left;
	width:400px;
	padding-right:15px;
}
.column33a {
	float:left;
	width:265px;
	padding-right:10px;
}
.columnAd {
	float:right;
	width:120px;
}
.columnFluid {
	float:left;
	padding-right:15px;
}
.columnLast {
	padding-right:0;
}