error in filebrowser and fileuploader , help please

hi guys,
i want to using fckeditor in my website. i upload contents of fckeditor in a folder at root with 'editor' name. first for test i use sample of asp, when i want to use browse server for images , flash and others i see this error and nothing show on file browser :


and when i want to upload a file by fckeditor uploader and select a file for upload and click on Send it to the server show waiting icon and nothing happend.

what's problem? please help me .....

thanks a lot
best regards