logging javascript form entry to a txt file?

[X_X_ROB_X_X]

I'm looking for an easy way to log a javascript value to a txt file on the server/host. Anyone know a way to do that?

[woj]

I can set that up for you, icq: 33375924 if you want to invest a few bucks...

[X_X_ROB_X_X]

How much we talking about here?

[X_X_ROB_X_X]

I'm using a third party site, I'm not posting to my own server so cant use $_GET or $_POST. I need to log the data before submits somehow. Is this still possible to do?