//Pre-load ../includes/bottom/images
  if (document.images)
  {
    //top nav images
    var imgtoplegacy1 = new Image();
    var imgtoplegacy0 = new Image();

    var imgtopavailable1 = new Image();
    var imgtopavailable0 = new Image();

    var imgtopinfo1 = new Image();
    var imgtopinfo0 = new Image();

    var imgtopcontact1 = new Image();
    var imgtopcontact0 = new Image();
    
    var imgtophome1 = new Image();
    var imgtophome0 = new Image();

    //bottom nav images

    var imgbottomlegacy1 = new Image();
    var imgbottomlegacy0 = new Image();

    var imgbottomavailable1 = new Image();
    var imgbottomavailable0 = new Image();

    var imgbottominfo1 = new Image();
    var imgbottominfo0 = new Image();

    var imgbottomcontact1 = new Image();
    var imgbottomcontact0 = new Image();
    
    var imgbottomhome1 = new Image();
    var imgbottomhome0 = new Image();

    //top nav images
    imgtoplegacy1.src = "../includes/top/images/legacy1.gif";
    imgtoplegacy0.src = "../includes/top/images/legacy0.gif";

    imgtopavailable1.src = "../includes/top/images/available1.gif";
    imgtopavailable0.src = "../includes/top/images/available0.gif";
    
    imgtopinfo1.src = "../includes/top/images/info1.gif";
    imgtopinfo0.src = "../includes/top/images/info0.gif";

    imgtopcontact1.src = "../includes/top/images/contact1.gif";
    imgtopcontact0.src = "../includes/top/images/contact0.gif";
    
    imgtophome1.src = "../includes/top/images/home1.gif";
    imgtophome0.src = "../includes/top/images/home0.gif";

    //bottom nav images

    imgbottomlegacy1.src = "../includes/bottom/images/legacy1.gif";
    imgbottomlegacy0.src = "../includes/bottom/images/legacy0.gif";

    imgbottomavailable1.src = "../includes/bottom/images/available1.gif";
    imgbottomavailable0.src = "../includes/bottom/images/available0.gif";
    
    imgbottominfo1.src = "../includes/bottom/images/info1.gif";
    imgbottominfo0.src = "../includes/bottom/images/info0.gif";

    imgbottomcontact1.src = "../includes/bottom/images/contact1.gif";
    imgbottomcontact0.src = "../includes/bottom/images/contact0.gif";
    
    imgbottomhome1.src = "../includes/bottom/images/home1.gif";
    imgbottomhome0.src = "../includes/bottom/images/home0.gif";
}    

//hover buttons on
function ImageOn(imgName)
{
  if (document.images)
  {
      document[imgName].src  =  eval(imgName + "1.src");
   }
}

//hover buttons off
function ImageOff(imgName)
{
   if (document.images)
  {
       document[imgName].src  =  eval(imgName + "0.src");
  }
}