pic1 = new Image();
pic1.src = "images/bg-menu-m1.jpg";

pic2 = new Image();
pic2.src = "images/bg-menu-m2-active.jpg";

pic3 = new Image();
pic3.src = "images/bg-menu-m3-active.jpg";

pic4 = new Image();
pic4.src = "images/bg-menu-m4-active.jpg";

pic5 = new Image();
pic5.src = "images/bg-menu-m5-active.jpg";

pic6 = new Image();
pic6.src = "images/bg-menu-m6-active.jpg";

pic7 = new Image();
pic7.src = "images/switch-on.jpg";