Silverpeas/Silverpeas-Core — pull request #223 by mmoqui (2012-09-25 16:42:04+00:00)
Title: Bug #3730. Bug in the Javascript interpreter in IE < 9

The issue come from the misbehavior of IE < 9 with methods added to an object prototype in some strange circumstances: in the case of the array, an added method can be considered as ... an item of the arrays when it is browsed with the 'in' keyword! In order to fix this situation whatever the circumstances, the array browsing with 'in' is replaced by the old-school way (a la C browsing)