HELP! How do I enforce a required field

All
I do hope someone can help me with this!!!
I have a pdf where I require the person before submitting to check a check box to confirm they understand a key statement. the checkbox is called Confirm.
I have seen some javascript here http://forums.adobe.com/thread/784322 which uses on blur - but the assumption is that the user has tabbed into the field concerned... what if they skip over it?
So... I decided to put some Javascript into the submit button...
the submit button currently has 3 Actions on mouse up
first it runs the following javascript
if (Confirmed.value.length == 0)
{app.alert("The confirmation box must be checked. Please confirm.")
then it performs file>save as>pdf
then it performs submit a form and emails the pdf
My question is - Why if you have denoted a field as required does adobe allow you to save and email a form where these fields have not been completed??? surely this is a huge bug??
ok... but the logic I put in with the first javascript does not get triggered, can anyone explain why not? .... more importantly... can anyone help me with some code which achieves this desired effect -
when the form is submitted, I need to check if the checkbox has been checked and if not display the above alert AND exit out of the rest of the submit actions.
thanks
george

A: HELP! How do I enforce a required field

It is not at all a huge bug. Some thoughts:
1. Your script isn't working because it's not correct. If you want to check the state of a check box and do something based its state, the code could be something like:
// Get the value of the check box with the field name "Confirmed"
var v = getField("Confirmed").value;
// The field value with either be the string "Off" (if not selected) or the export value (if selected)
if (v !== "Off") {
    // Proceed with the submit here
    submitForm({cURL: "[email protected]", cSubmitAs: "PDF"});
} else {
    // Check box not selected. so alert the user
    app.alert("You must select the \'Confirmed\' check box before you can submit this form.", 3);
2. Even if a check box is set as required, it won't prevent the submit form action or JavaScript from submitting. This is because the field always has a value. This is different for a radio button group. If none in a radio button group that is makred as required is selected, then the submit won't be allowed to take place until one is. This is just how it works, so you have to use a script instead as shown above.
3. Can you explain why you want to save the form before it is submitted? It is automatically done when the entire PDF is submitted, so there normally wouldn't be a need to do this.
4. Use just a single JavaScript action. If you use multimple actions, the are independent from one another, so one can't prevent a subsequent one from being triggered.

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