ul.tabset {
  border-bottom: 1px solid gray;
  margin: 8px 0 0 0;
  padding: 0 0 0 0.6em;
  list-style: none;
}
ul.tabset li {
  display: inline;
  background-color: #F0F0F0;
  padding: 2px 0.6em 0 0.6em;
  border-top: 1px solid gray;
  border-left: 1px solid gray;
  border-right: 1px solid gray;
  cursor: pointer;
  margin: 0 0.6em -1px 0;
  white-space: nowrap;
  line-height: 1.2em;
}
ul.tabset li.active_tab {
  background-color: White;
  padding-bottom: 1px;
  cursor: default;
}

div.pageset {
  position: relative;
  left: 1px;
  top: 0;
}
div.pageset .tab_page {
  background-color: White;
/*  position: absolute; /* causes JS error in IE6 for no apparent reason */
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
}
div.pageset .tab_page.active_tab {
  display: block;
}