var image1 = new Image;
image1.src ="img/main/01_1s.jpg";
var image2 = new Image;
image2.src ="img/main/01_s.jpg";
var image3 = new Image;
image3.src ="img/main/02_1s.jpg";
var image4 = new Image;
image4.src ="img/main/02_s.jpg";
var image5 = new Image;
image5.src ="img/main/03_1s.jpg";
var image6 = new Image;
image6.src ="img/main/03_s.jpg";
var image7 = new Image;
image7.src ="img/main/04_1s.jpg";
var image8 = new Image;
image8.src ="img/main/04_s.jpg";