anchor.diff:  
   addLevel4Site: function(ulID, termID, termText, title) {
   	$('disease-added-terms').innerHTML = "";
  +	$("liTerm" + termID).addClassName("a.term-selected");
       ul = document.getElementById(ulID);
   
       checkbox = document.createElement("input");
  
positive.code:         el.removeClassName("disease-subcategory-selected");
      });
  
      var selectedSubcategories = $$('li.li-subcategory-selected');
      selectedSubcategories.each(function(el) {
          el.removeClassName("li-subcategory-selected");
      });
  
  	$("subcategory_" + ilID).addClassName("disease-subcategory-selected");
      $("subcategoryli_" + ilID).addClassName("li-subcategory-selected");
      $('disease-level4Sites').innerHTML = "";
  
      level3Id = ilID;
      anatomicDiseaseSite.getLevel4DiseaseSiteCategories(level3Id, function(childCategories) {
          childCategories.each(function(childCategory) {
            var childCategoryName = (childCategory.name.length > 30 ? childCategory.name.substring(0, 30) + "..." : childCategory.name);
            catSel.addLIToUL("disease-level4Sites", childCategory.id, childCategoryName, childCategory.name);
          })
      });
  
negative.code:         <tr>
              <td colspan="6" style="text-align:right;">
              </td>
              <td colspan="3" style="text-align:center;">
                      <c:if test="${empty localButtons}">
                          <tags:button color="green" value="Select Disease Site" icon="add" onclick="catSel.finishMultiTermsSelection()" />
                      </c:if>
              </td>
          </tr>
  