Count the seconds a user is on a page

I have looked on the Internet with no avail.

What I need is a counter which counts the number of seconds a user is on a specific asp page.  The counter should begin once they enter the page and end when they click the submit button.  Once they click submit this value needs to be written to my SQL database.

Any ideas?

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I think an easy way to do that is by dropping a cookie on the client's computer and storing the actual server time in it. Once he hits submit, you can read that value and count the difference between that and now in seconds.

You can do that in both JavaScript and ASP easily.

If you do it in ASP, drop the cookie before you send header data, and retrieve it on the page where you process the form data.

If you do it in JavaScript, drop the cookie when the page has loaded (onLoad event for the body HTML tag) and retrieve it when the user clicks the submit button (onClick event for the submit form element)
i do it all the time, set a counter in your asp page. use the timer object. andthen write it out as a value in a hidden text box, also keep a timer on the client, then when u ready to save add the 2 values

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yep, thats even easier to do
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