Index: misc/autocomplete.js
===================================================================
RCS file: /cvs/drupal/drupal/misc/autocomplete.js,v
retrieving revision 1.36
diff -u -p -r1.36 autocomplete.js
--- misc/autocomplete.js	30 Apr 2010 05:23:43 -0000	1.36
+++ misc/autocomplete.js	12 Jun 2010 21:08:09 -0000
@@ -180,6 +180,8 @@ Drupal.jsAC.prototype.populatePopup = fu
   this.popup = $('<div id="autocomplete"></div>')[0];
   this.popup.owner = this;
   $(this.popup).css({
+    top: this.input.offsetTop + 'px',
+    left: this.input.offsetLeft + 'px',
     marginTop: this.input.offsetHeight + 'px',
     width: (this.input.offsetWidth - 4) + 'px',
     display: 'none'
Index: modules/system/system-behavior.css
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system-behavior.css,v
retrieving revision 1.9
diff -u -p -r1.9 system-behavior.css
--- modules/system/system-behavior.css	28 Apr 2010 20:08:39 -0000	1.9
+++ modules/system/system-behavior.css	12 Jun 2010 21:08:09 -0000
@@ -28,6 +28,7 @@
 }
 /* Animated throbber */
 html.js input.form-autocomplete {
+  position: relative;
   background-image: url(../../misc/throbber.gif);
   background-repeat: no-repeat;
   background-position: 100% 2px; /* LTR */