Index: branches/RC/core/admin_templates/js/ajax.js
===================================================================
diff -u -N -r11693 -r11865
--- branches/RC/core/admin_templates/js/ajax.js	(.../ajax.js)	(revision 11693)
+++ branches/RC/core/admin_templates/js/ajax.js	(.../ajax.js)	(revision 11865)
@@ -107,13 +107,15 @@
 	if (p_id != '') {
 		var $content_div = $( jq('#' + p_id) );
 		var $content_offset = $content_div.offset();
+		var $content_width = $content_div.width();
 		var $content_height = $content_div.height();
 
 //		alert('id: ' + p_id + '; ch: ' + $content_div.get(0).clientHeight + '; sh: ' + $content_div.get(0).style.height);
 
 		var $parent_div = $content_div.parents(':first');
 
 		// use parent height, when own height is larger, then parent's
+		$content_width = Math.min($content_width, $parent_div.width());
 		$content_height = Math.min($content_height, $parent_div.height());
 
 		var $progress_overlay = $( jq('#' + p_id + '_progress') );
@@ -148,6 +150,7 @@
 				// show progress, only when target div is visible
 				$progress_overlay.css(
 					{
+						width: $content_width,
 						height: $content_height,
 						top: $content_offset.top + $parent_div.scrollTop()
 					}