function getCookie(name) { 
  var ckTemp = document.cookie;
  var index = ckTemp.indexOf(name + "=");
  if(index == -1) return null;
  index = ckTemp.indexOf("=", index) + 1;
  var endstr = ckTemp.indexOf(";", index);
  if (endstr == -1) endstr = ckTemp.length;
  return unescape(ckTemp.substring(index, endstr));
}

function InitActiveAccotype() {
  var aard = getCookie("aard");
  if (aard) SetActiveAccotype( aard );
}
function SetActiveAccotype(objName) {
  var objImg = document.all[objName];
  if (objImg) objImg.src = objImg.src.replace("1.gif", "2.gif");
}