timeout for refresh JavaScript?

[keyplyr]

I have a pop-up that displays a local webcam shot. I use: <meta http-equiv="refresh" content="10"> to refresh the window, thus pulling in the new shot that's redundantly ftp'd every 10 seconds, overwriting the old shot. Works well and I never really needed anything more sophisticated as far as scripting.

However, recently I have been seeing 2-3k in daily hits for this little window (normal is a couple hundred.) The webcam window has no toolbar, however I believe a user(s) may be saving it or just letting it refresh in the background indefinitely.

So I'd like to use maybe an external JavaScript to refresh this window but set a time out or max load number to stop this waist of bandwidth. How could I write this? Thanks.

[ggrot]

That would be tough as the javascript would be restarted every time you refresh the page. Maybe something with cookies?