var img1 = new Image();
img1.src = "/img/nav_houses2.png";
var img2 = new Image();
img2.src = "/img/nav_sale2.png";
var img3 = new Image();
img3.src = "/img/nav_forpok2.png";
var img4 = new Image();
img4.src = "/img/nav_about2.png";
var img5 = new Image();
img5.src = "/img/nav_news2.png";
var img6 = new Image();
img6.src = "/img/nav_photo2.png";
var img7 = new Image();
img7.src = "/img/nav_contacts2.png";

var img8 = new Image();
img8.src = "/img/nav_houses2.gif";
var img9 = new Image();
img9.src = "/img/nav_sale2.gif";
var img10 = new Image();
img10.src = "/img/nav_forpok2.gif";
var img11 = new Image();
img11.src = "/img/nav_about2.gif";
var img12 = new Image();
img12.src = "/img/nav_news2.gif";
var img13 = new Image();
img13.src = "/img/nav_photo2.gif";
var img14 = new Image();
img14.src = "/img/nav_contacts2.gif";