code: function(oList, iLevel){
  		oList._iLevel = iLevel;
  		var aLists = oList.getSubLists();
  		for (var i = 0; i < aLists.length; i++) {
  			setLevel(aLists[i], iLevel + 1);
  		}
  	}
docs: Sets the level of the list and its sublists