var bdis = "<img src=\"";
var edis1 = " alt=\"FAO/O. Thuillier\" title=\"FAO/O. Thuillier\"></a>";
var edis2 = " alt=\"FAO/F. McDougall\" title=\"FAO/F. McDougall\"></a>";
var edis3 = " alt=\"FAO/A. Vitale\" title=\"FAO/A. Vitale\"></a>";
var rnumb = "";
var img = "";
rnumb += Math.floor(Math.random()*3);
img = rnumb;

function showImage() {

if (img == "0") {
document.write(bdis+ "/Portals/_Faostat/images/images/index_production_1.jpg\"" +edis1);
}
if (img == "1") {
document.write(bdis+ "/Portals/_Faostat/images/images/index_production_2.jpg\"" +edis2);
}
if (img == "2") {
document.write(bdis+ "/Portals/_Faostat/images/images/index_production_3.jpg\"" +edis3);
}
}