var Tlinks=new Array(4);
var Timgname=new Array(4);
Tlinks[0] = "http://www.googletwinports.com";
Timgname[0] = "cms/ads/297f_GoogleBanner800x80.png";
Tlinks[1] = "http://duluth.carsoup.com/";
Timgname[1] = "cms/ads/fb40_799x80_new-used.jpg";
Tlinks[2] = "http://duluth.carsoup.com/";
Timgname[2] = "cms/ads/ce4d_799x80_sell.jpg";
Tlinks[3] = "http://www.fan1490.com";
Timgname[3] = "cms/ads/50b3_headerlame2.jpg";
function Tswap() {
var randNum= Math.floor(Math.random()*4);
document.getElementById("lnkTAd").href = Tlinks[randNum];
document.getElementById("imgTAd").src = Timgname[randNum];
var T=setTimeout("Tswap();",10000);
}