Index: /FCKeditor/trunk/fckeditor.asp
===================================================================
--- /FCKeditor/trunk/fckeditor.asp	(revision 890)
+++ /FCKeditor/trunk/fckeditor.asp	(revision 891)
@@ -190,8 +190,10 @@
 Function FCKeditor_IsCompatibleBrowser()
 
+
 	Dim sAgent
 	sAgent = Request.ServerVariables("HTTP_USER_AGENT")
 
 	Dim iVersion
+	Dim re, Matches
 
 	If InStr(sAgent, "MSIE") > 0 AND InStr(sAgent, "mac") <= 0  AND InStr(sAgent, "Opera") <= 0 Then
@@ -201,4 +203,14 @@
 		iVersion = CLng( Mid( sAgent, InStr( sAgent, "Gecko/" ) + 6, 8 ) )
 		FCKeditor_IsCompatibleBrowser = ( iVersion >= 20030210 )
+	ElseIf InStr(sAgent, "Opera/") > 0 Then
+		iVersion = CSng( FCKeditor_ToNumericFormat( Mid( sAgent, InStr( sAgent, "Opera/" ) + 6, 4 ) ) )
+		FCKeditor_IsCompatibleBrowser = ( iVersion >= 9.5 )
+	ElseIf InStr(sAgent, "AppleWebKit/") > 0 Then
+		Set re = new RegExp
+		re.IgnoreCase = true
+		re.global = false
+		re.Pattern = "AppleWebKit/(\d+)"
+		Set Matches = re.Execute(sAgent)
+		FCKeditor_IsCompatibleBrowser = ( re.Replace(Matches.Item(0).Value, "$1") >= 522 )
 	Else
 		FCKeditor_IsCompatibleBrowser = False