docroot = '.';


function imgaktiv (imgobj) {
  imgobj.src = docroot + "/images/" + imgobj.name + "_on.gif";
  return true;
}

function imgOn (imgobj) {
  imgobj.src = docroot + "/images/" + imgobj.name + "_on.gif";
  return true;
}

function imgOff (imgobj,imgakt) {
  imgobj.src = docroot + "/images/" + imgobj.name + "_off.gif";
  imgakt.src = docroot + "/images/" + imgakt.name + "_on.gif";
  
  return true;
}