Index: /CKEditor/trunk/_source/plugins/scayt/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/scayt/plugin.js	(revision 5233)
+++ /CKEditor/trunk/_source/plugins/scayt/plugin.js	(revision 5234)
@@ -45,10 +45,12 @@
 			oParams.userDictionaryName = editor.config.scayt_userDictionaryName;
 			oParams.sLang = editor.config.scayt_sLang || "en_US";
-
-			if ( CKEDITOR._scaytParams )
-			{
-				for ( var k in CKEDITOR._scaytParams )
-				{
-					oParams[ k ] = CKEDITOR._scaytParams[ k ];
+			
+
+			var scayt_custom_params = window.scayt_custom_params;
+			if ( typeof scayt_custom_params == 'object')
+			{
+				for ( var k in scayt_custom_params )
+				{
+					oParams[ k ] = scayt_custom_params[ k ];
 				}
 			}