Index: branches/5.3.x/core/admin_templates/incs/grid_blocks.tpl
===================================================================
diff -u -N -r15974 -r15988
--- branches/5.3.x/core/admin_templates/incs/grid_blocks.tpl	(.../grid_blocks.tpl)	(revision 15974)
+++ branches/5.3.x/core/admin_templates/incs/grid_blocks.tpl	(.../grid_blocks.tpl)	(revision 15988)
@@ -349,11 +349,9 @@
 			value="<inp2:SearchField field="$filter_field" filter_type="like" grid="$grid"/>"
 			onkeypress="search_keydown(event, '<inp2:m_Param name="PrefixSpecial"/>', '<inp2:m_Param name="grid"/>', '<inp2:m_Param name="ajax"/>')"/>
 		<script type="text/javascript">
-			new AJAXDropDown('<inp2:SearchInputName field="$filter_field" filter_type="like" grid="$grid"/>',
-				function(cur_value) {
-					return '<inp2:m_t pass="m,{$PrefixSpecial}" field="$filter_field" {$PrefixSpecial}_event="OnSuggestValues" cur_value="#VALUE#" no_amp="1" js_escape="1"/>'.replace('#VALUE#', cur_value);
-				}
-			);
+			$('#' + jq('<inp2:SearchInputName field="$filter_field" filter_type="like" grid="$grid"/>')).autocomplete({
+				source: '<inp2:m_t pass="m,{$PrefixSpecial}" field="$filter_field" {$PrefixSpecial}_event="OnSuggestValuesJSON" no_amp="1" js_escape="1"/>'
+			});
 		</script>
 </inp2:m_DefineElement>