Index: branches/RC/core/admin_templates/incs/form_blocks.tpl
===================================================================
diff -u -N -r9337 -r9339
--- branches/RC/core/admin_templates/incs/form_blocks.tpl	(.../form_blocks.tpl)	(revision 9337)
+++ branches/RC/core/admin_templates/incs/form_blocks.tpl	(.../form_blocks.tpl)	(revision 9339)
@@ -421,7 +421,7 @@
 		<td>
 			<table cellpadding="0" cellspacing="0">
 				<tr>
-					<td>
+					<td id="<inp2:{$prefix}_InputName field="$field"/>_path">
 						<inp2:m_DefineElement name="category_caption">
 							<inp2:m_if check="m_ParamEquals" name="cat_id" value="0" inverse="inverse">
 							<inp2:m_param name="separator"/>
@@ -432,11 +432,21 @@
 						<inp2:$prefix_FieldCategoryPath field="$field" separator=" &gt; " render_as="category_caption"/>
 						<inp2:m_RenderElement name="inp_edit_hidden" pass_params="1"/>
 					</td>
-					<td>
+					<td valign="middle">
 						<img src="img/spacer.gif" width="3" height="1" alt=""/>
 						<a href="javascript:openSelector('<inp2:m_param name="prefix"/>', '<inp2:adm_SelectorLink prefix="$prefix" selection_mode="single" tab_prefixes="none"/>', '<inp2:m_param name="field"/>');">
 			          		 <img src="img/icons/icon24_cat.gif" border="0"/>
 			         	</a>
+
+			         	<a href="#" onclick="disable_category('<inp2:m_Param name="field"/>'); return false;"><inp2:m_Phrase name="la_Text_Disable"/></a>
+
+			         	<script type="text/javascript">
+				         	function disable_category($field) {
+				         		var $field = '<inp2:{$prefix}_InputName field="#FIELD_NAME#"/>'.replace('#FIELD_NAME#', $field);
+						    	set_hidden_field($field, '');
+						    	document.getElementById($field + '_path').style.display = 'none';
+						    }
+					    </script>
 					</td>
 				</tr>
 			</table>