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

/* Set image URLs */
my_imgs[0] = "http://www.gspeak.com.au/banners/gsban.gif";
my_imgs[1] = "http://www.gspeak.com.au/banners/henslerban.gif";
my_imgs[2] = "http://www.gspeak.com.au/banners/montaban.gif";
my_imgs[3] = "http://www.gspeak.com.au/banners/geoban.gif";
my_imgs[4] = "http://www.gspeak.com.au/banners/hinchreban.gif";
my_imgs[5] = "http://www.gspeak.com.au/banners/banbjbrady1.jpg";
my_imgs[6] = "http://www.gspeak.com.au/banners/ausbirdban.gif";
my_imgs[7] = "http://www.gspeak.com.au/banners/banecobanana.jpg";
my_imgs[8] = "http://www.gspeak.com.au/banners/barrierreefban.jpg";
my_imgs[9] = "http://www.gspeak.com.au/banners/mudbrickban.jpg";
my_imgs[10] = "http://www.gspeak.com.au/banners/greatgreen.gif";
my_imgs[11] = "http://www.gspeak.com.au/banners/mbaccomban.jpg";

/* Set image link URLs */
my_imgs_link[0] = "http://www.gspeak.com.au/";
my_imgs_link[1] = "http://www.hensler-realty.com.au/";
my_imgs_link[2] = "http://www.montageapartments.com/";
my_imgs_link[3] = "http://www.geosynthetic.com.au/";
my_imgs_link[4] = "http://www.hinchinbrookrealestate.com.au/";
my_imgs_link[5] = "http://www.bjbradyfunerals.com.au/";
my_imgs_link[6] = "http://www.ausbird.com/";
my_imgs_link[7] = "http://www.eco-banana.com.au/";
my_imgs_link[8] = "http://www.barrierreefmotel.com.au/";
my_imgs_link[9] = "http://www.mudbrickmanor.com.au/";
my_imgs_link[10] = "http://www.greatgreenwaytourism.com/";
my_imgs_link[11] = "http://www.missionbeachaccom.com/";

/* Set image alternate text */
my_imgs_alt[0] = "Graphically Speaking";
my_imgs_alt[1] = "Hensler Realty";
my_imgs_alt[2] = "Montage Holiday Apartments";
my_imgs_alt[3] = "Geosynthetic Design & Testing";
my_imgs_alt[4] = "Hinchinbrook Real Estate";
my_imgs_alt[5] = "BJ Brady Funeral Directors";
my_imgs_alt[6] = "Birdwatching Australia";
my_imgs_alt[7] = "Pacific Coast Eco Bananas";
my_imgs_alt[8] = "Barrier Reef Motel";
my_imgs_alt[9] = "Mudbrick Manor";
my_imgs_alt[10] = "Great Green Way Tourism";
my_imgs_alt[11] = "Mission Beach Holiday Accommodation";

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;
  
}