Adobe Acrobat 9 Form - Display last 4 characters only in text field

Adobe Acrobat 9 Form - Display last 4 characters only in text field

References

Reference NO 1

http://help.adobe.com/en_US/acrobat/using/WSC9CAD508-1941-43db-B599-2DCBF7BFC055.w.html

Reference NO 2

http://blogs.adobe.com/loridefurio/files/loridefurio/DesigningForms-UE.pdf

Reference NO 3

http://stackoverflow.com/questions/15165085/adobe-acrobat-9-form-display-last-4-characters-only-in-text-field

Reference NO 4

http://www.uwec.edu/help/Acrobat9/for-fldoptions.htm

Reference NO 5

http://www.idph.state.ia.us/idph_universalhelp/MainContent.aspx?TOCId=%7B40143D0E-6650-4A38-9866-34F0A6A78260%7D

Reference NO 6

http://www.hre.wvu.edu/tic/tutorials/PDF_tut_AA_pro_7/PDF_forms.pdf

Reference NO 7

http://docs.oracle.com/cd/E25178_01/bi.1111/e22254/create_pdf_tmpl.htm

Reference NO 8

http://www.usfca.edu/uploadedFiles/Destinations/Offices_and_Services/ITS/learning/training/pdf_files/Adobe_Acrobat_e-Forms_9.pdf