diff -u solr/project_solr.module solr/project_solr.module
--- solr/project_solr.module	19 Aug 2010 02:28:00 -0000
+++ solr/project_solr.module	19 Aug 2010 02:50:18 -0000
@@ -785,7 +785,7 @@
  */
 function project_solr_run_project_query($base_path, $filters = array()) {
   $filterstring = isset($_GET['filters']) ? $_GET['filters'] : '';
-  $query = apachesolr_drupal_query('', $filtersstring, '', $base_path);  
+  $query = apachesolr_drupal_query('', $filterstring, '', $base_path);  
 
   // Figure out all the fields we need to use as facets.
   // First handle all the implicit filters we're going to add ourselves.
@@ -823,7 +823,7 @@
   // This can e.g. be used to add available sorts.
   foreach (module_implements('apachesolr_prepare_query') as $module) {
     $function_name = $module . '_apachesolr_prepare_query';
-    $function_name($query, $params, 'project_solr_build_project_query');
+    $function_name($query, $params, 'project_solr_run_project_query');
   }
 
   // We add our fields after the prepare_query() because prepare_query()
@@ -845,7 +845,7 @@
   apachesolr_current_query($query);
 
   // This hook allows modules to modify the query and params objects.
-  apachesolr_modify_query($query, $params, 'project_solr_view_category_block');
+  apachesolr_modify_query($query, $params, 'project_solr_run_project_query');
 
   $solr = apachesolr_get_solr();
   $response = $solr->search($query->get_query_basic(), $params['start'], $params['rows'], $params);