How do you calculate a field

Hi all,
I would really appreciate some help as I do not know programing, java script or other programming languages.  I need to have a field calculate for me.
The form has date of birth. Then I need the next field, (a text field) calculate the age on the previous field of the Date of Birth.  Does anyone have an idea how to do that?  I have gone through the help guide, but it assume you know the langauage to put in.
thanks in advance.

Janet, I've fixed the form and attached the updated version.  There were a couple of things that I changed:
1. The form was saved as a static .pdf form.  This means that it's for display only; you can't run any scripts and change things programatically.  I changed it to be a dynamic form, which allows scripts to run when the user is entering data.  To do this I selected Save As from the file menu and then selected Save as type: Adobe Dynamic XML Form (*.pdf).
2. Since the form was saved as static it stripped out the scripts.  I re-pasted the script that I gave you back into the calculate event for the Age field.
I also changed the Language dropdown on the upper right side of the script window to Javascript, since that's the language that I used.
3. The name of your DOB field is DateTimeField1.  You can see this by either looking at the Hierarchy window or by looking at the Field tab of the Object window.  In the future you should change the names of the fields from their default to something more descriptive.  For now it's fine.  I then replaced my references to "DOB" in my script with "DateTimeField1.
4. Make sure that the preview type is set to dynamic.  Go to the File menu in designer and select the Form Properties item.  Click on the Preview tab and choose "Preview Type": Interactive Form and "Preview Adobe XML Form as": Dynamic XML form.
The above changes made it work, but I changed one more thing:  The type of the DOB field is set to DateTime field, and when you use the pop-up calendar to select the date it gets saved in the data in a backward format (YYY-MM-DD).  This doesn't show up on the form since you have the display format set, but behind the scenes it messes up the date calculation in the script.  I set the edit pattern for the field to be either D/M/YYYY or D-M-YYYY to allow some flexibility when the user enters the date, and to force it to save in the proper format for the script.
Oh, forgot to mention that "new Date()" gets the current date from the system, so you don't need a field on your form for it.  Green is a comment, not part of the script but just to document what's happening in the script.  Blue means reserved script instruction, black is everything else.  Makes more sense to you if you're a programmer. The Livecycle editor automatically colors the text to make it easier to read, we just type it in.
Give this a try and let me know if you have more issues.
Kevin

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    Hi,
    In JavaScript you could do something like;
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    console.println(days + " days, " + hours + " hours, " + minutes + " minutes");
    This assumes that the values in DateTimeField1 and DateTimeField2 are valid, which means the rawValue will be in a format like 2009-03-15T18:15
    Regards
    Bruce

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