This is a masked input plugin for the jQuery javascript library. It allows a user to more easily enter fixed width input where you would like them to enter the data in a certain format (dates,phone numbers, etc).
Adapted from QCodo (http://www.qcodo.com/wiki/file:old_downloads/qform_controls/qmaskinputtextbox_using_jquery)
For more information see: http://digitalbush.com/projects/masked-input-plugin/
Phone Number Mask
Phone Number Mask with optional Extension
Zip Code Mask (+4 is optional)
Social Security Number Mask
Example of using custom mask
Submit button will test validation on required controls