.ad
{
	clear:both;
	margin:20px 0px 0px 0px;
}
.centeralign
{
	float:left;
	width:100%;
	text-align:center;
	margin:0px 0px 10px 0px;
}
.leftalign
{
	padding:12px 8px 0px 0px;
	float:left;
}
.rightalign
{
	padding:12px 1px 0px 0px;
	float:right;
}