function ShowImage (ImageName)
  {
    var p3;
    var pw = "240";
    var ph = "159";
    var p1  = '<img src="../images/';
    var p2  = ImageName;
    if (screen.width < 1024)
      { p2 = ImageName + 's';
        pw = "175";
        ph = "115";
      }
    p3  = '.jpg" border="1" width="' + pw + '" height="' + ph + '" alt=""><br>';
    document.write (p1 + p2 + p3);
  }






function GetImages ()
  {
    PreLoadImages ('btn1dn','btn2dn','btn3dn','btn4dn','btn5dn');
  }







function PreLoadImages ()
  {
    var a, i, j;
    var d = document;
    if (d.images)
      { if (!d.r) d.r = new Array();
        j = d.r.length;
        a = PreLoadImages.arguments;
        for (i = 0; i < a.length; i++)
          if (a[i].indexOf("#") != 0)
            { d.r[j] = new Image;
              d.r[j++].src = 'images/' + a[i] + '.gif';
            }
      }
  }






function FindObject (n, d)
  {
    var p, i, x;
    if (!d) d = document;
    if ( (p = n.indexOf("?")) > 0 && parent.frames.length)
      {
        d = parent.frames[n.substring (p + 1)].document;
        n = n.substring (0, p);
      }
    if (!(x = d[n]) && d.all) x = d.all[n];
    for (i = 0; !x && i < d.forms.length; i++) x = d.forms[i][n];
    for (i = 0; !x && d.layers && i < d.layers.length; i++)
      x = FindObject (n,d.layers[i].document);
    return x;
  }




function SwapImage ()
  {
    var i, x;
    var j = 0;
    var a = SwapImage.arguments; 
    document.q = new Array;
    for (i = 0; i < (a.length - 2); i += 3)
      {
        if ((x = FindObject (a[i])) != null)
          { document.q[j++] = x; 
            if (!x.oSrc) x.oSrc = x.src;
            x.src = a[i+2];
          }
      }
  }


function ImgRestore ()
 {
   var i, x;
   var a = document.q;
   for (i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++) x.src = x.oSrc;
 }