<!-- Begin
var how_many_ads = 4;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
if (ad==4) {
//      Dell
var uri = 'http://impgb.tradedoubler.com/imp?type(js)g(16815074)a(1149894)' + new String (Math.random()).substring (2, 11);
document.write('<sc'+'ript type="text/javascript" src="'+uri+'" charset="ISO-8859-1"></sc'+'ript>');
}
if (ad==3) {
//      International Rail
var uri = 'http://impgb.tradedoubler.com/imp?type(js)g(16430632)a(1149894)' + new String (Math.random()).substring (2, 11);
document.write('<sc'+'ript type="text/javascript" src="'+uri+'" charset="ISO-8859-1"></sc'+'ript>');
}
if (ad==2) {
//      HP
var uri = 'http://impgb.tradedoubler.com/imp?type(js)g(16157278)a(1149894)' + new String (Math.random()).substring (2, 11);
document.write('<sc'+'ript type="text/javascript" src="'+uri+'" charset="ISO-8859-1"></sc'+'ript>');
}
if (ad==1) {
//      International Rail
var uri = 'http://impgb.tradedoubler.com/imp?type(js)g(16430652)a(1149894)' + new String (Math.random()).substring (2, 11);
document.write('<sc'+'ript type="text/javascript" src="'+uri+'" charset="ISO-8859-1"></sc'+'ript>')
}
// End -->