====== infoElement() ======

This function returns meta information about a question in the list of questions.

''array **infoElement**(string //ID//)''

  * //ID// -- The four-character ID of a question or a text, consisting of section and number


===== Return Value =====

The function either returns NULL, if there is no question or text with the given ID in the survey project, or an array with the following keys:

  * ''%%'label'%%'' -- The ID of the question
  * ''%%'class'%%'' -- The category of the element
    * ''%%'content'%%'' -- Content, e.g., a text
    * ''%%'selection'%%'' -- Selection question (single or multiple choice)
    * ''%%'rating'%%'' -- Question in rating format
    * ''%%'freetext'%%'' -- Question with open-ended text input
    * ''%%'implicit'%%'' -- Implicit attitude measurement
    * ''%%'add-on'%%'' -- Question from the field of extended data collection methods
    * ''%%'communication'%%'' -- Functions for communication
    * ''%%'special'%%'' -- Special question format
    * ''%%'functional'%%'' -- Functional element
  * ''%%'type'%%'' -- Exact type of the element
  * ''%%'desc'%%'' -- Description of the question
  * ''%%'title'%%'' -- Question text (in the active language version, if applicable)
  * ''%%'explanation'%%'' -- Explanation (in the active language version, if applicable)