/* tables */
table.tablesorter thead tr .headerSortDown, table.tablesorter thead tr .headerSortUp {
  background-color: #d9edf7;
}
table.tablesorter thead tr .header {
  background-image: url(bg.gif);
  background-repeat: no-repeat;
  background-position: center right;
  cursor: pointer;
}
table.tablesorter thead tr .headerSortUp {
	background-image: url(asc.gif);
}
table.tablesorter thead tr .headerSortDown {
	background-image: url(desc.gif);
}