var img1 = new Image();
img1.src = "menu-images/home-off.jpg";
var img2 = new Image();
img2.src = "menu-images/beducation-off.jpg";
var img3 = new Image();
img3.src = "menu-images/product-off.jpg";
var img4 = new Image();
img4.src = "menu-images/dealer-off.jpg";
var img5 = new Image();
img5.src = "menu-images/about-off.jpg";
var img6 = new Image();
img6.src = "menu-images/partner-off.jpg";
var img7 = new Image();
img7.src = "menu-images/home-on.jpg";
var img8 = new Image();
img8.src = "menu-images/beducation-on.jpg";
var img9 = new Image();
img9.src = "menu-images/product-on.jpg";
var img10 = new Image();
img10.src = "menu-images/dealer-on.jpg";
var img11 = new Image();
img11.src = "menu-images/about-on.jpg";
var img12 = new Image();
img12.src = "menu-images/partner-on.jpg";