Newbie struggling with form validation (1st question)

[François de Dardel]

I want to validate each field as it is filled. I also want to validate
the whole form beform submitting, checking for some "required" fields
to be filled before submit.

I managed both, and that works OK separately. The fields have following tags:
<TD><INPUT TABINDEX="25" TYPE="text" NAME="pH" SIZE=10 VALUE=7.5
ONBLUR="ValidateNumber(this, 'pH value must be between 5 and
9',5,9,7.4);"></TD>

However, when the error message appears and I press enter, the entire
form validation is triggered, which I don't want at this stage, but
only when pressing the "submit form" button at the bottom of the form.
Is there a way to achieve this ?

The whole thing is posted at:
http://mapage.noos.fr/dardelf4/tests/ADI_input.html

Thanks for any help or suggestions

--
François de Dardel
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[Java script Dude]

An important thing that happens is html forms by default will auto
submit when hitting enter in a text field (under certain conditions).

To do proper javascript validations, put the following line in the
form onsubmit='return false'. This will turn off all submits that are
triggered by keyboard enters or submit button presses.

To do a proper submit, create a button: <input name='btSubmit'
type=button value='Submit' onclick='btSubmit_click(event)'>.

Add the following code:
btSubmit_click(e){
if(!yourValidationCode()){return}
document.forms["yourformname"].submit()
}

This should eliminate your problems and eliminates the need for submit
buttons. If you want to still trap enters, drop onclick listeners on
all text boxes and check event.keyCode.

JsD