.sectionblock{
	clear:both;
	float:left;
	width:640px;
	border-bottom:1px solid #cccccc;
	margin-bottom:10px;
}

	.sectionblock a img{
		float:left;
		padding-bottom:10px;
	}
	
	.twocolblock{
		float:right;
		width:420px;
	}
	
	img.article{
		float:left;
		margin-right:20px;
		margin-bottom:20px;
	}