var url3 = "<a href=\"http://www.lofa.co.uk/lighting.html\">";
var url4 = "<a href=\"http://www.lofa.co.uk/decorative_metal_work.html\">";
var url5 = "<a href=\"http://www.lofa.co.uk/parasols.html\">";
var bdis = "<img src=\"";
var edis = " width=\"252\" height=\"93\" border=\"0\"></a>";
var rnumb = "";
var img = "";


rnumb += Math.floor(Math.random()*3);
img = rnumb;
document.root="http://www.lofa.co.uk";


if (img == "3") {
document.write(url3+bdis+document.root+ "/img/product_boxes/lighting_box.jpg\"" +edis);
}

if (img == "4") {
document.write(url4+bdis+document.root+ "/img/product_boxes/metalwork_box.jpg\"" +edis);
}

if (img == "5") {
document.write(url5+bdis+document.root+ "/img/product_boxes/parasol_box.jpg\"" +edis);
}