Client Side Validation: Custom Validation Function

[Stefan Esterer <de...@gmail.com>]

Hi all...

I have a question concerning the creation of a custom client side validation
Javascript function.. I used this page
http://tapestry.apache.org/tapestry4.1/javascript/form.html to inform
myself.

I'm also able to bind my custom function as a constraint, but I have two
questions:

In the tutorial a function should be binded like this
field_name1: myValidationFunction
But how can I access in this function the value of the fieldname? 
I'm using my function in this way
field_name1: myValidationFunction,field
In this way i have a function myValidationFunction(field) and with the
variable field i can access the content of the field. is this the correct
way?

the other question is, how can i send a plain string object to my function?
if I have the binding like this
field_name1: myValidationFunction,"true"    and the definition of the
function like this myValidationFunction(bool) 
Then the content of bool is alway "1" ... Do I miss something?

thx for your help
stefan
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