help: 'Comma-separated list of whole numbers where first number is the number of seconds to view the first image, second number for the second image, and so on. Example:12,10,11'
default:'12,11,10,9,8,7,6,5,4,3'
validate:
required:true
pattern:'(^(\s*\d+\s*))?(,\s*\d+\s*)*'
message:'Must be a comma-separated list of whole numbers (e.g. 12,11,10) with at least one number'