Index: /CKEditor/branches/versions/3.6.x/_source/plugins/docprops/dialogs/docprops.js
===================================================================
--- /CKEditor/branches/versions/3.6.x/_source/plugins/docprops/dialogs/docprops.js	(revision 6855)
+++ /CKEditor/branches/versions/3.6.x/_source/plugins/docprops/dialogs/docprops.js	(revision 6856)
@@ -462,10 +462,13 @@
 										commit : function( doc, html, head, body )
 										{
-											body.removeAttribute( 'bgcolor' );
-											var val = this.getValue();
-											if ( val )
-												body.setStyle( 'background-color', val );
-											else
-												resetStyle( body, 'background-color', 'transparent' );
+											if ( this.isChanged() )
+											{
+												body.removeAttribute( 'bgcolor' );
+												var val = this.getValue();
+												if ( val )
+													body.setStyle( 'background-color', val );
+												else
+													resetStyle( body, 'background-color', 'transparent' );
+											}
 										}
 									}),