R1 = new Image();
R1.src = "img/1_on.png";
R2 = new Image();
R2.src = "img/2_on.png";
R3 = new Image();
R3.src = "img/3_on.png";
R4 = new Image();
R4.src = "img/4_on.png";
R5 = new Image();
R5.src = "img/5_on.png";