/* tables */
table.tablesorter thead tr .tablesorter-header.sortable {
	background-image: url(bg.gif);
	background-repeat: no-repeat;
	background-position: center right;
	cursor: pointer;
}
table.tablesorter thead tr .tablesorter-headerAsc.sortable {
	background-image: url(asc.gif);
}
table.tablesorter thead tr .tablesorter-headerDesc.sortable {
	background-image: url(desc.gif);
}