use <f:helpLink> in several tags

core/src/main/resources/lib/form/dropdownList.jelly

@@ -51,18 +51,7 @@ THE SOFTWARE.
                 <d:invokeBody/>
             </select>
         </td>
-        <j:choose>
-            <j:when test="${attrs.help!=null}">
-                <td class="setting-help">
-                    <a href="#" class="help-button" helpURL="${rootURL}${attrs.help}"><img src="${imagesURL}/16x16/help.png"
-                                                                                           alt="Help for feature: ${title}"
-                                                                                           height="16" width="16"/></a>
-                </td>
-            </j:when>
-            <j:otherwise>
-                <td/>
-            </j:otherwise>
-        </j:choose>
+        <f:helpLink url="${attrs.help}" featureName="${title}"/>
     </tr>
 
     <!-- generate the actual form entries -->

core/src/main/resources/lib/form/entry.jelly

@@ -72,16 +72,7 @@ THE SOFTWARE.
     <td class="setting-main">
       <d:invokeBody />
     </td>
-    <j:choose>
-      <j:when test="${attrs.help!=null}">
-        <td class="setting-help">
-          <a href="#" class="help-button" helpURL="${rootURL}${attrs.help}"><img src="${imagesURL}/16x16/help.png" alt="Help for feature: ${title}" height="16" width="16" /></a>
-        </td>
-      </j:when>
-      <j:otherwise>
-        <td />
-      </j:otherwise>
-    </j:choose>
+    <f:helpLink url="${attrs.help}" featureName="${title}"/>
   </tr>
   <!-- used to display the form validation error -->
   <tr class="validation-error-area"><td colspan="2" /><td /><td /></tr>

core/src/main/resources/lib/form/hetero-list.jelly

@@ -81,16 +81,7 @@ THE SOFTWARE.
                 <b>${descriptor.displayName}</b>
               </div>
             </td>
-            <j:choose>
-              <j:when test="${help!=null}">
-                <td>
-                  <a href="#" class="help-button" helpURL="${rootURL}${help}"><img src="${imagesURL}/16x16/help.png" alt="[help]" height="16" width="16"/></a>
-                </td>
-              </j:when>
-              <j:otherwise>
-                <td />
-              </j:otherwise>
-            </j:choose>
+            <f:helpLink url="${help}"/>
           </tr>
           <!-- TODO: help support is unintuitive; people should be able to see help from drop-down menu -->
           <j:if test="${help!=null}">

core/src/main/resources/lib/form/optionalBlock.jelly

@@ -71,16 +71,7 @@ THE SOFTWARE.
           <f:checkbox name="${attrs.name}" onclick="javascript:updateOptionalBlock(this,true)"
                       negative="${attrs.negative}" checked="${attrs.checked}" field="${attrs.field}" title="${title}" />
         </td>
-        <j:choose>
-          <j:when test="${attrs.help!=null}">
-            <td>
-              <a href="#" class="help-button" helpURL="${rootURL}${attrs.help}"><img src="${imagesURL}/16x16/help.png" alt="Help for feature: ${title}" height="16" width="16" /></a>
-            </td>
-          </j:when>
-          <j:otherwise>
-            <td />
-          </j:otherwise>
-        </j:choose>
+        <f:helpLink url="${attrs.help}" featureName="${title}"/>
       </tr>
       <j:if test="${attrs.help!=null}">
         <f:helpArea />

core/src/main/resources/lib/form/radioBlock.jelly

@@ -62,16 +62,7 @@ THE SOFTWARE.
         ${title}
       </label>
     </td>
-    <j:choose>
-      <j:when test="${attrs.help!=null}">
-        <td class="setting-help">
-          <a href="#" class="help-button" helpURL="${rootURL}${help}"><img src="${imagesURL}/16x16/help.png" alt="Help for feature: ${title}" height="16" width="16" /></a>
-        </td>
-      </j:when>
-      <j:otherwise>
-        <td />
-      </j:otherwise>
-    </j:choose>
+    <f:helpLink url="${help}" featureName="${title}" />
 	</tr>
   <j:if test="${attrs.help!=null}">
     <f:helpArea />