table.tablesorter .header 
{
	background-image: url(bg.png);
	background-repeat: no-repeat;	
	padding-left: 30px;	
	height: auto;
}

table.tablesorter .headerSortUp 
{
	background-image: url(asc.png);
	background-repeat: no-repeat;
}

table.tablesorter .headerSortDown 
{
	background-image: url(desc.png);
	background-repeat: no-repeat;
}