/*
 You may insert new elements in the iamges array in date order. NOTE no comma at end of last row.
 You must include a corresponding jpg image in directory www/gallery named eg Richard_Dawkins.jpg
*/
var images = [
  ["Socrates","469-399 BCE","http://plato.stanford.edu/entries/socrates"],
  ["Titus_Lucretius_Carus","c. 99-55 BCE","http://www.humanistictexts.org/lucretius.htm"],
  ["Voltaire","1694-1778","http://en.wikipedia.org/wiki/Voltaire"],
  ["David_Hume","1711-1776","http://en.wikipedia.org/wiki/David_Hume"],
  ["Baron_d'Holbach","1723-1789","http://en.wikipedia.org/wiki/Baron_d'Holbach"],
  ["Erasmus_Darwin","1731-1802","http://en.wikipedia.org/wiki/Erasmus_Darwin"],
  ["Jeremy_Bentham","1749-1832","http://en.wikipedia.org/wiki/Jeremy_Bentham"],
  ["Mary_Wollstonecraft","1759-1797","http://en.wikipedia.org/wiki/Mary_Wollstonecraft"],
  ["Thomas_Paine","1773-1809","http://en.wikipedia.org/wiki/Thomas_Paine"],
  ["Percy_Bysshe_Shelley","1792-1822","http://en.wikipedia.org/wiki/Percy_Bysshe_Shelley"],
  ["John_Stuart_Mill","1806-1873","http://en.wikipedia.org/wiki/John_Stuart_Mill"],
  ["Charles_Darwin","1809-1882","http://en.wikipedia.org/wiki/Charles_darwin"],
  ["George_Holyoake","1817-1906","http://en.wikipedia.org/wiki/Gj_holyoake"],
  ["Thomas_Huxley","1825-1895","http://en.wikipedia.org/wiki/Thomas_Huxley"],
  ["Charles_Bradlaugh","1833-1891","http://www.secularism.org.uk/charlesbradlaugh.html"],
  ["Thomas_Hardy","1840-1928","http://en.wikipedia.org/wiki/Thomas_Hardy"],
  ["George_William_Foote","1850-1915","http://en.wikipedia.org/wiki/George_William_Foote"],
  ["Bertrand_Russell","1872-1970","http://plato.stanford.edu/entries/russell/"],
  ["Hubert_Harrison","1883-1927","http://en.wikipedia.org/wiki/Hubert_Harrison"],
  ["M_N_Roy","1887-1954","http://en.wikipedia.org/wiki/Manabendra_Nath_Roy"],
  ["Jawaharlal_Nehru","1889-1964","http://en.wikipedia.org/wiki/Jawaharlal_Nehru"],
  ["Dora_Russell","1894-1986","http://en.wikipedia.org/wiki/Dora_Russell"],
  ["Barbara_Wootton","1897-1988","http://en.wikipedia.org/wiki/Barbara_Wootton"],
  ["Harold_Blackham","1903-2009","http://www.timesonline.co.uk/tol/comment/obituaries/article5600211.ece"],
  ["Arthur_Clarke","1917-2008","http://en.wikipedia.org/wiki/Arthur_C._Clarke"],
  ["Sir_Ludovic_Kennedy","1919-2009","http://en.wikipedia.org/wiki/Ludovic_Kennedy"],
  ["Hermann_Bondi","1919-2005","http://en.wikipedia.org/wiki/Hermann_Bondi"],
  ["Gene_Roddenbery","1921-1991","http://en.wikipedia.org/wiki/Gene_Roddenberry"],
  ["Kurt_Vonnegut","1922-2007","http://humaniststudies.org/enews/?id=293&article=2"],
  ["Barbara_Smoker","1923-","http://www.barbara.smoker.freeuk.com/"],
  ["Basava_Premanand","1930-2009","http://en.wikipedia.org/wiki/Basava_Premanand"],
  ["Claire_Rayner","1931-2010","http://en.wikipedia.org/wiki/Claire_Rayner"],
  ["Jonathan_Miller","1934-","http://en.wikipedia.org/wiki/Jonathan_Miller"],
  ["Richard_Dawkins","1941-","http://www.simonyi.ox.ac.uk/dawkins/WorldOfDawkins-archive/Dawkins/Biography/bio.shtml"],
  ["Daniel_Dennett","1942-","http://en.wikipedia.org/wiki/Daniel_Dennett"],
  ["Simon_Blackburn","1944-","http://www.phil.cam.ac.uk/~swb24/"],
  ["Polly_Toynbee","1946-","http://en.wikipedia.org/wiki/Polly_Toynbee"],
  ["Keith_Porteous_Wood","1947-","http://www.philosopedia.org/index.php?title=Keith_Porteous_Wood"],
  ["A._C._Grayling","1949-","http://en.wikipedia.org/wiki/A._C._Grayling"],
  ["Susan_Blackmore","1951-","http://en.wikipedia.org/wiki/Susan_Blackmore"],
  ["Linda_Smith","1958-2006","http://en.wikipedia.org/wiki/Linda_Smith_(comedian)"],
  ["Muriel_Gray","1959-","http://en.wikipedia.org/wiki/Muriel_Gray"],
  ["Maryam_Namazie","1966-","http://en.wikipedia.org/wiki/Maryam_Namazie"],
  ["Julian_Baggini","1968-","http://en.wikipedia.org/wiki/Julian_Baggini"]
];
var Nimages = images.length, Ndisplay = 0;
var index = new Array(10), imgs = new Array(10), caps = new Array(10);
function byear(k) { return(images[k][1].replace(/-\D*\d*/,'')) }
function initselimg() {
  imgs = document.keyfigs.getElementsByTagName("img");
  Ndisplay = imgs.length;
  caps = document.keyfigs.getElementsByTagName('a');
  changeImage();
  for(var i=0; i<Nimages-Ndisplay; i += Ndisplay) {
    document.keyfigs.selimg.options.add(new Option(byear(i)+'-'+byear(i+Ndisplay-1)));
  }
  document.keyfigs.selimg.options.add(new Option(byear(Nimages-Ndisplay)+'-present'));
}
function newRandom(i) {
  var j = Math.floor(Math.random()*Nimages);
  for(var k=0; k<i; k++) {
    if (j != index[k]) continue;
    j = Math.floor(Math.random()*Nimages);
    k = -1;
  }
  return j;
}
function changeImage(t) {
  if(t) document.keyfigs.selimg.selectedIndex = 0;
  var v = Math.min((document.keyfigs.selimg.selectedIndex-1)*Ndisplay, Nimages-Ndisplay);
  for (var i=0; i<Ndisplay; i++) {
    var j = (v < 0)?newRandom(i):v++;
    index[i] = j;
    caps[i].innerHTML=images[j][0].replace(/_/g," ")+"<br />"+images[j][1];
    imgs[i].src="gallery/"+images[j][0]+".jpg";
  }
}
function getInfo(k) {
  window.open(images[index[k]][2],"_top");
}