var basics01On = new Image();
var basics01Off = new Image();
var basics02On = new Image();
var basics02Off = new Image();
var basics03On = new Image();
var basics03Off = new Image();

basics01On.src = root + "images/method/basics/basics-01On.gif";
basics01Off.src = root + "images/method/basics/basics-01Off.gif";
basics02On.src = root + "images/method/basics/basics-02On.gif";
basics02Off.src = root + "images/method/basics/basics-02Off.gif";
basics03On.src = root + "images/method/basics/basics-03On.gif";
basics03Off.src = root + "images/method/basics/basics-03Off.gif";