new Image().src = "images/b1_2.jpg";
new Image().src = "images/b2_2.jpg";
new Image().src = "images/b3_2.jpg";
new Image().src = "images/b4_2.jpg";
new Image().src = "images/b5_2.jpg";

new Image().src = "images/top_b1_2.jpg";
new Image().src = "images/top_b2_2.jpg";
new Image().src = "images/top_b3_2.jpg";