.table-sorted th.header{
	background-image: url('bg.gif');
  background-position: left center;
  background-repeat: no-repeat;
  cursor: pointer;
  padding-left: 20px;
  color: gray;
}

.table-sorted th.headerSortUp {
	background-image: url('asc.gif');
  color: black;
}
.table-sorted th.headerSortDown {
	background-image: url('desc.gif');
  color: black;
}