limited PEI Collection search results to pei and changed title

targets/evergreen/roblib_search_evergreen.module

@@ -157,7 +157,7 @@ function roblib_search_evergreen_block_view($delta = '') {
       // The subject is displayed at the top of the block. Note that it
       // should be passed through t() for translation. The title configured
       // for the block using Drupal UI supercedes this one.
-      $block['subject'] = t('Evergreen Results');
+      $block['subject'] = t('PEI Collection');
       // The content of the block is typically generated by calling a custom
       // function.
       $block['content'] = theme('roblib_search_evergreen', array('results' => NULL));
@@ -185,6 +185,7 @@ function roblib_search_evergreen_get_results($query) {
   $url_suffix = variable_get('roblib_search_evergreen_search_suffix', '/opac/extras/sru?version=1.1&operation=searchRetrieve&query=');
   $number_of_records = variable_get('roblib_search_evergreen_num_results', '5');
   $query = str_replace(' ', '%20AND%20',$query); //hack until the library decides if we want phrase or individual words
+  $query .= urlencode(' AND "prince edward island"');
   $search_url = $url . $url_suffix . $query  . '&maximumRecords=' . $number_of_records;
   $catalog_base_search_url = variable_get('roblib_search_evergreen_catalog_base_search_url', 'http://islandpines.roblib.upei.ca/opac/en-CA/skin/roblib/xml/rresult.xml?rt=keyword&tp=keyword&t=');
   drupal_add_js(array('roblib_search_evergreen' => array('catalog_url' => $catalog_base_search_url)), array('type' => 'setting'));
@@ -193,7 +194,8 @@ function roblib_search_evergreen_get_results($query) {
     $output = roblib_search_evergreen_parse_results($results, $query);
   }
   else {
-    $output = 'Error retrieving Evergreen results ' . $results->status_message;
+    watchdog('roblib_search_evergreen', 'Error retrieving results: %error', array('%error' => $results->status_message), WATCHDOG_ERROR);
+    $output = '';
   }
 
   return json_encode($output);