[*] MO : blocksearch - override buttons for ajax cart

When instant search is in use buttons need override after load so the
ajax functionality works

modules/blocksearch/blocksearch-instantsearch.tpl

@@ -38,6 +38,8 @@
 							$('#center_column').attr('id', 'old_center_column');
 							$('#old_center_column').after('<div id="center_column" class="' + $('#old_center_column').attr('class') + '">'+data+'</div>');
 							$('#old_center_column').hide();
+							// Button override
+							ajaxCart.overrideButtonsInThePage();
 							$("#instant_search_results a.close").click(function() {
 								$("#search_query_{$blocksearch_type}").val('');
 								return tryToCloseInstantSearch();