Update table on change of field detected by javascript

Good afternoon HTML DBers.
I am not familiar with Javascript...and I think I will need it to solve the following problem...and so I have posted this request.
I have a multi line report with one updateable field in each row(a quantity field). When the user updates this field on any of the rows, I wish to update an oracle table with the new quantity value.
From my reading, I suspect that I may need some 'OnChange=' javascript to pick up when the field is updated.
Then I guess I would somehow set up a REQUEST value that I would identify in a process to do the UPDATE of the table.
But how do I send the unique key (the order number) of the row where the quantity value has been changed?
Thankyou in anticipation. Tony Calabrese. 27/9/2004

Forget javascript, Tony.
The MRU mechanism updates what needs to be updated provided you submit the page. Then, after updating the fields, you may branch to another page or reload the current one (by branching to the same page number).
Javascript works on the client side, your data is stored on the server side, so, in general, it's very hard to update the server side with client data unless you submit a form.
MRU works fine, don't be scared by the need of reloading the page.
Bye,
Flavio

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