Return true for valid identification number of CZE company (called ico), otherwise return false.
example
//create validator
var validator = new IcoValidator();
//valid IC -> return true
var result = validator.isAcceptable('12312312');
//unvalid IC -> return true
var result = validator.isAcceptable('11111111');
object
ICOValidator
Return true for valid identification number of CZE company (called ico), otherwise return false.