Note:Returns an array of all elements contained in a element. Syntax: document.getElementById("mapID").areas // returns all areasdocument.getElementById("mapID").areas(param1, param2) // returns an individual areadocument.all.mapID.areas // IE only document.all.mapID.areas(param1, param2) // IE only param1 Required; zero-based index or desired member's id or name attribute. param2 Optional; zero-based index for the result returned if param1 matches more than one element.