{
ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false

function swtch(num, imgname)
    {
    if(document.images)
      {
      document[imgname].src = img[num].src; }
    }

imgsrc = new Array();
imgsrc[1] =  "gfx/info1.gif";
imgsrc[2] =  "gfx/actions1.gif";
imgsrc[3] =  "gfx/members1.gif";
imgsrc[4] =  "gfx/sounds1.gif";
imgsrc[5] =  "gfx/links1.gif";
imgsrc[6] =  "gfx/contact1.gif";

imgsrc[7] =  "gfx/info0.gif";
imgsrc[8] =  "gfx/actions0.gif";
imgsrc[9] =  "gfx/members0.gif";
imgsrc[10] = "gfx/sounds0.gif";
imgsrc[11] = "gfx/links0.gif";
imgsrc[12] = "gfx/contact0.gif";

if (document.images != null)
  {
  img = new Array();
  for (i = 0; i < imgsrc.length; i++)
    {
    img[i] = new Image();
    img[i].src = imgsrc[i];
    }
  }
}