var my_imgs = new Array();
var my_imgs_link = new Array();
var my_imgs_alt = new Array();

/* Set image URLs */
my_imgs[0] = "/media/cms_for_everyone_hero_630x280.jpg";

/* Set image link URLs */
my_imgs_link[0] = "http://medialane.net/comments/cms_for_everyone/";

/* Set image alternate text */
my_imgs_alt[0] = "CMS for Everyone - Media Lane";

if (document.getElementById && document.createTextNode) {
  var the_div = document.getElementById("my_banners");
  var ran_num = Math.floor(Math.random()*(my_imgs.length));
  var the_HTML = "<a href=\""+my_imgs_link[ran_num]+"\">";
  the_HTML += "<img src=\""+my_imgs[ran_num]+"\" class=\"banner_imgs\" ";
  the_HTML += "alt=\""+my_imgs_alt[ran_num]+"\" /></a>";
  the_div.innerHTML = the_HTML; 
}