function randPic()
{
  // pseudo-random number based on current time
  var date = new Date();
  i = date.getSeconds();

  //set initial pictures (don't set men because they're set without delay in setPic())
  document.images.WomenImg.src = "/images/tp/" + Women[i % Women.length] + ".jpg"
  document.images.BoysImg.src = "/images/tp/" + Boys[i % Boys.length] + ".jpg"
  document.images.GirlsImg.src = "/images/tp/" + Girls[i % Girls.length] + ".jpg"

  setPic();
}

function setPic() {
  document.images.MenImg.src = "/images/tp/" + Men[i % Men.length] + ".jpg"
  setTimeout("document.images.WomenImg.src = \"/images/tp/\" + Women[i % Women.length] + \".jpg\"", 1000)
  setTimeout("document.images.BoysImg.src = \"/images/tp/\" + Boys[i % Boys.length] + \".jpg\"", 2000)
  setTimeout("document.images.GirlsImg.src = \"/images/tp/\" + Girls[i % Girls.length] + \".jpg\"", 3000)
  i++;

  //images change every 4 seconds
  setTimeout("setPic()", 4000);
}