var how_many_expics = 5;
var now = new Date()
var sec = now.getSeconds()
var expic = sec % how_many_expics;
expic +=1;


if (expic==1) {
alt="View maps from The National Archives image library";
title="View maps from The National Archives image library";
pic="http://collections.europarchive.org/tna/20060802122920/http://www.nationalarchives.gov.uk/images/homepage/topleft/map.jpg";
url="http://collections.europarchive.org/tna/20060802122920/http://www.nationalarchives.gov.uk/imagelibrary/maps/?homelink=exhibit_5";
target="self";
}
if (expic==2) {
alt="View documents detailing British aviator Amy Johnson´s historic solo flight down under";
title="View documents detailing British aviator Amy Johnson´s historic solo flight down under";
pic="http://collections.europarchive.org/tna/20060802122920/http://www.nationalarchives.gov.uk/images/homepage/topleft/amy.jpg";
url="http://collections.europarchive.org/tna/20060802122920/http://www.nationalarchives.gov.uk/news/stories/65a.htm?homelink=news";
target="self";
}
if (expic==3) {
alt="View classic public information films from our online film archive";
title="View classic public information films from our online film archive";
pic="http://collections.europarchive.org/tna/20060802122920/http://www.nationalarchives.gov.uk/images/homepage/topleft/charley.jpg";
url="http://collections.europarchive.org/tna/20060802122920/http://www.nationalarchives.gov.uk/films/default.htm?homelink=films_1";
target="self";
}
if (expic==4) {
alt="View manuscripts from The National Archives image library";
title="View manuscripts from The National Archives image library";
pic="http://collections.europarchive.org/tna/20060802122920/http://www.nationalarchives.gov.uk/images/homepage/topleft/book.jpg";
url="http://collections.europarchive.org/tna/20060802122920/http://www.nationalarchives.gov.uk/imagelibrary/manuscripts/02.htm?homelink=exhibit_2";
target="self";
}
if (expic==5) {
alt="Explore The Art of War - an exhibition of art from World War one and two";
title="Explore The Art of War exhibition of art from World War one and two";
pic="http://collections.europarchive.org/tna/20060802122920/http://www.nationalarchives.gov.uk/images/homepage/topleft/soldier.jpg";
url="http://collections.europarchive.org/tna/20060802122920/http://www.nationalarchives.gov.uk/theartofwar/?homelink=artofwar";
target="self";
}

document.write('<a href="' + url + '" target="_'+ target +'"><img src="' + pic + '" width="316" height="196" alt="' + alt + '" border="0" /></a>');