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> AFAIU this calls a js function checkform() prior to submitting.

It's a classic JS form validator, a submission is only possible if it returns true.

see e.g.

> For example, look at the B1=Submit field. Where does that come from?

I can see this with JS disabled

<input style="font-size: 13pt" type="submit" value="Submit" name="B1">

I don't have the impression JS is adding something to the form, frankly I doubt the author had the necessary skills to do so.

But my advise here can only be superficial, because I don't know what the correct genetic input has to loo like. And the author decided to let his web-service simply crash, when the JS validation is bipassed to send broke input. 🤷🏽

DISCLAIMER: I don't expect biologist to be good hackers, but academics should be capable to ask proper questions.

ANYWAY: I agree with you that this is not really a Perl issue, it's about HTML/HTTP.

Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery

In reply to Re^2: Correct link to put in my WWW:Mechanize by LanX
in thread Correct link to put in my WWW:Mechanize by Anonymous Monk

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