var nav1 = 'images/navbar/artx.jpg';
var nav2 = 'images/navbar/artxx.jpg';
var nav3 = 'images/navbar/artxxx.jpg';
var nav4 = 'images/navbar/cdtx.jpg';
var nav5 = 'images/navbar/cdtxx.jpg';
var nav6 = 'images/navbar/cdtxxx.jpg';
var nav7 = 'images/navbar/chux.jpg';
var nav8 = 'images/navbar/chuxx.jpg';
var nav9 = 'images/navbar/chuxxx.jpg';
var nav10 = 'images/navbar/corner2.jpg';
var nav11 = 'images/navbar/corner3.jpg';
var nav12 = 'images/navbar/corner4.jpg';
var nav13 = 'images/navbar/faqx.jpg';
var nav14 = 'images/navbar/faqxx.jpg';
var nav15 = 'images/navbar/faqxxx.jpg';
var nav16 = 'images/navbar/purx.jpg';
var nav17 = 'images/navbar/purxx.jpg';
var nav18 = 'images/navbar/purxxx.jpg';
var nav19 = 'images/navbar/relx.jpg';
var nav20 = 'images/navbar/relxx.jpg';
var nav21 = 'images/navbar/relxxx.jpg';
var nav22 = 'images/navbar/vidx.jpg';
var nav23 = 'images/navbar/vidxx.jpg';
var nav24 = 'images/navbar/vidxxx.jpg';