// JavaScript Document

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}
var photo = new Array();

photo[0] = "/graphics/columnphotos/charlieorganicfarmfield.jpg";
photo[1] = "/graphics/columnphotos/childrensorganicbreakfast.jpg";
photo[2] = "/graphics/columnphotos/davenongmonativecorn.jpg";
photo[3] = "/graphics/columnphotos/girlnongmofieldcrops.jpg";
photo[4] = "/graphics/columnphotos/momorganicnongmoshopper.jpg";
photo[5] = "/graphics/columnphotos/nongmosoyasupplier.jpg";

function randomNumber(n)  {
		number = Math.floor(Math.random() * (n + 1));
		return number;
}
function showPic() {
  if (!document.getElementById("placeholder")) return true;
  var source = photo[randomNumber(photo.length - 1)];
  var placeholder = document.getElementById("placeholder");
  placeholder.setAttribute("src",source);
  return false;
}

addLoadEvent(showPic);