imageA = new Image();
imageA.src = "images/4_r2_c2_f2.jpg";

imageB = new Image();
imageB.src = "images/4_r2_c3_f2.jpg";

imageC = new Image();
imageC.src = "images/4_r2_c4_f2.jpg";

imageD = new Image();
imageD.src = "images/4_r2_c5_f2.jpg";

imageE = new Image();
imageE.src = "images/4_r2_c6_f2.jpg";

imageF = new Image();
imageF.src = "images/4_r2_c7_f2.jpg";

image1 = new Image();
image1.src = "images/subi_r1_c1_f2.jpg";

image2 = new Image();
image2.src = "images/subi_r1_c2_f2.jpg";

image3 = new Image();
image3.src = "images/subi_r1_c3_f2.jpg";

image4 = new Image();
image4.src = "images/subi_r1_c4_f2.jpg";

image5 = new Image();
image5.src = "images/subi_r1_c5_f2.jpg";

image6 = new Image();
image6.src = "images/subi_r1_c6_f2.jpg";

image7 = new Image();
image7.src = "images/subi_r1_c7_f2.jpg";

image8 = new Image();
image8.src = "images/subi_r1_c8_f2.jpg";