function iboxActive(id, key, num, max) {
 var menu = document.getElementById(id + "menu");
 (menu.getElementsByTagName("INPUT")[0]||{}).value = key;
 var main = menu.parentNode;
 var applyfilter;
 var menudivs = menu.getElementsByTagName("DIV");
 for (var i = 0; i < menudivs.length; i ++) {
  menudivs[i].className = id+"menuoff";
  (menudivs[i].getElementsByTagName("A")[0]||{}).className = "";
 }
 menudivs[num].className = id+"menuon"+(num % max);
 (menudivs[num].getElementsByTagName("A")[0]||{}).className = "active";
 try {
  applyfilter = main.filters && main.filters[0];
  if (applyfilter) {
   main.filters[0].apply();
  }
 } catch(e) {}

 var parent = menu.parentNode;
 var childs = parent.childNodes;
 var divs = [];
 for (var i = 0, c = childs.length; i < c; i ++) {
  if (childs[i].tagName == 'DIV') {
   if (divs.length) childs[i].style.display = 'none';
   divs[divs.length] = childs[i];
  }
 }
 divs[num+1].style.display = 'block';
 try {
  if (applyfilter) {
   main.filters[0].play();
  }
 } catch(e) {}
}