function closewin() 
{
    close()
}
function Preload()
{
  var ver4 = (navigator.appVersion.charAt(0) >= "4");
  var NN4  = ver4 && (navigator.appName == "Netscape");
  var IE4 = ver4 && (navigator.appName.charAt(0) == "M");
  var NN3 = ((navigator.appVersion.charAt(0) == "3") && (navigator.appName == "Netscape"));
  
  if (NN3 || NN4 || IE4)
  {
    if (document.images)
    {
      var imgName = Preload.arguments[0];
      var cnt;
      swImg[imgName] = new Array;
      for (cnt = 1; cnt < Preload.arguments.length; cnt++)
      {
        swImg[imgName][Preload.arguments[cnt]] = new Image();
        swImg[imgName][Preload.arguments[cnt]].src = Preload.arguments[cnt];
      }
    }
  }
}
function finder(doc, imgName)
{
  for (var i=0; i < doc.layers.length; i++)
  {
    var img = doc.layers[i].document.images[imgName];
    if (!img) img = finder(doc.layers[i], imgName);
    if (img) return img;
  }
  return null;
}

function Swap(imgName, imgSrc)
{
   var ver4 = (navigator.appVersion.charAt(0) >= "4");
   var NN4  = ver4 && (navigator.appName == "Netscape");
   var IE4 = ver4 && (navigator.appName.charAt(0) == "M");
   var NN3 = ((navigator.appVersion.charAt(0) == "3") && (navigator.appName == "Netscape"));
  
  if (NN3 || NN4 || IE4)
  {
    if (document.images)
    {
      var img = document.images[imgName];
      if (!img) img = finder(document, imgName);
      if (img) img.src = imgSrc;
    }
  }
}
var swImg; swImg=new Array;

Preload('cl', 'gif/sw_cl1.gif', 'gif/sw_cl2.gif');
Preload('pr', 'gif/sw_pr1.gif', 'gif/sw_pr2.gif');
Preload('fd', 'gif/sw_fd1.gif', 'gif/sw_fd2.gif');