The tool I mean is NetDrive for Windows (free) which can be found here:
http://www.boku.ac.at/index.php?id=5316
It's an easy to use drive-mapper for FTP connections. With this tool in your tray you can use your local software, like editor, graphic tools and others without the need of an extra FTP client which requires to save to a temporary directory than perform an upload and so on...

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