diff -r f16f3d8e28f1 sites/all/modules/contrib/jquery_ui/jquery_ui.module
--- a/sites/all/modules/contrib/jquery_ui/jquery_ui.module	Tue Aug 10 18:45:20 2010 -0400
+++ b/sites/all/modules/contrib/jquery_ui/jquery_ui.module	Wed Aug 11 13:33:08 2010 -0400
@@ -35,6 +35,7 @@
  *   on the page, or a string with a single file name.
  */
 function jquery_ui_add($files = array()) {
+  $version_18 = version_compare(jquery_ui_get_version(), "1.8.0", '>=');
   static $loaded_files, $ui_core, $effects_core;
   $jquery_ui_path = JQUERY_UI_PATH . '/ui';
   $compression = variable_get('jquery_update_compression_type', 'mini');
@@ -53,6 +54,9 @@
 
   // Loop through list of files to include and add them to the page.
   foreach ($files as $file) {
+    if ($version_18) {
+      $file = 'jquery.'. $file;
+    }
     // Any effects files require the effects core file.
     if (!isset($effects_core) && strpos($file, 'effects.') === 0) {
       $effects_core = TRUE;