// Radioknap-styret tekstfelt
var textbox = function(me,field){
  if(me.checked == false){
    var textb = document.createElement('input');
    textb.type = "text";
    textb.name = field;
    textb.size = "4";
    textb.setAttribute("maxlength", "5");
    me.parentNode.appendChild(textb);
  }
  setInterval(function(){
    if(me.checked == false){
       me.parentNode.removeChild(textb);
       return false;
    }
  }, 50);
}