type nsIDOMMediaList = interface(nsISupports) ['{9b0c2ed7-111c-4824-adf9-ef0da6dad371}'] procedure GetmediaText( result_: DOMString); safecall; procedure SetmediaText(amediaText: DOMString); safecall; function Getlength(): idlulong; safecall; property length : idlulong read Getlength; procedure item(index: idlulong; result_: DOMString); safecall; procedure deleteMedium(oldMedium: DOMString); safecall; procedure appendMedium(newMedium: DOMString); safecall; end;