function stap(cat) {
//  alert(cat);
  document.forms[0].cat.value = cat;
  document.forms[0].submit();
}

function yesno(e) {
  var a = getTarget(e);  
  var name = a.getAttribute('name');
  document.forms[0][name].value = a.firstChild.data;
  var b = a.parentNode.getElementsByTagName('A');
  for (var i=0; i < b.length; i++)
    b[i].className = '';
  a.className = 'clicked';
}

function initradio() {
  var div = document.getElementsByTagName('DIV');
  for (var i=0; i < div.length; i++) {
    if (div[i].className.indexOf('yesno') >= 0) {
      var a = div[i].getElementsByTagName('A');
      for (var j=0; j < a.length; j++) {
        a[j].onclick = yesno;
      }
    }
  }
}

function getTarget(e) {
  if (!e) var e = window.event;
  var targ;
	if (e.currentTarget) targ = e.currentTarget;
	else if (e.srcElement) targ = e.srcElement;
  return targ;
}

onload = initradio;