Index: wp-includes/js/plupload/wp-plupload.js
===================================================================
--- wp-includes/js/plupload/wp-plupload.js	(revision 23095)
+++ wp-includes/js/plupload/wp-plupload.js	(working copy)
@@ -316,14 +316,13 @@
 					container = $( '#' + id );
 					if ( ! container.length ) {
 						container = $('<div class="wp-uploader-browser" />', {
-							id: 'wp-uploader-browser-' + this.uploader.id,
-							css: {
-								position: 'fixed',
-								top: '-1000px',
-								left: '-1000px',
-								height: 0,
-								width: 0
-							}
+							id: 'wp-uploader-browser-' + this.uploader.id
+						}).css({
+							position: 'fixed',
+							top: '-1000px',
+							left: '-1000px',
+							height: 0,
+							width: 0
 						}).appendTo('body');
 					}
 
