Adobe X Pro vs Adobe X Standard and Javascripts

Question

Hi, I'm running into a problem.  I have Adobe Acrobat X Pro on my computer at work, however, I'm finding that my field personnel have Adobe Acrobat X Standard.  I've written some javascripts on a form to automatically calculate when a number is entered into a field.  I'm finding that the form works fine for the folks with Adobe Acrobat X Pro, but does not work for people with Adobe Acrobat X Standard. 
Is there a specific reason for this?   I've been going nuts trying to find out why this is happening.  I even created the form in Adobe LiveCycle ES2 and the form still will not calculate for those that have Adobe Acrobat X Standard.  In addition to that, it doesn't work with Adobe Reader either.
Anyone has any idea why this is happening? 
(I'm going to post this same message over in Adobe Acrobat in case I've put this in the wrong spot.)
Thanks
Connie

Answer 1

There is no difference in the JavaScript that is used and available to Acrobat Standard and Acrobat Professional. Adobe Reader cannot use specific features of the Acrobat JavaScript extensions like using JavaScript to add a form field. What is different between Acrobat Standard and Acrobat Professional is being able to access the document level JavaScript editing through User Interface, UI, of the program.
The application preference for allowing JavaScript is the end user's choice. You can use a page open or document level script and a field, layer, or comment to check if JavaScript has been enabled. You can create a read only field that has a message that "JavaScript needs to be enabled". The field should be read only and visible. Then you can use a script like:
his.getField("MyJSWaringingField").display = display.hidden;
To hide the field upon opening the page or the PDF. The field will become hidden if JavaScript is enabled or remain visible if JavaScript is not available or not enabled.