function adresMenu(id) {
  var i,uls,als,lis;
  var adreslist=document.getElementById(id);
  if(!adreslist){ return false;}
  uls=adreslist.getElementsByTagName('ul')[0]; // find first ul
  lis=uls.getElementsByTagName('li'); // loop through all links 
  for(i=0;i<lis.length;i++) {
    if(!lis[i].getElementsByTagName('ul')[0]) { continue; } // if the li containing the link has no nested list, skip this one
      var lisa = lis[i].getElementsByTagName('a')[0];
      if(lisa) { // if the user clicks on the link
        lisa.onclick=function() {
          for(j=0;j<lis.length;j++) {
            if(!lis[j].getElementsByTagName('ul')[0]) { continue; }
            var notactive = lis[j].getElementsByTagName('a')[0];
            notactive.className = '';
          } // get first ul in li
          var lisul = this.parentNode.getElementsByTagName('ul')[0];
          this.className = 'active';
          return showCities(lis, lisul);
      }
    }
  }
  return false;
}
function showCities(nodelist, current) {
  if(nodelist) {
    for(i=0;i<nodelist.length;i++) {
      if(!nodelist[i].getElementsByTagName('ul')[0]) { continue; }
      var subuls = nodelist[i].getElementsByTagName('ul');
      for(j=0;j<subuls.length;j++) { subuls[j].style.visibilty = 'hidden'; subuls[j].style.display = 'none'; }
    }
  }
  var clis = current.getElementsByTagName('li');
  for(i=0;i<clis.length;i++) {
	var clisa = clis[i].getElementsByTagName('a')[0];
	if(clisa && clisa.getAttribute('rel')) { // if the user clicks on the link
	  clisa.onclick=function() {
		var parentli = this.parentNode.parentNode.parentNode;
		for(j=0;j<clis.length;j++) {
          var notactive = clis[j].getElementsByTagName('a')[0];
          if(notactive && notactive.getAttribute('rel')) { notactive.className = ''; }
        }
		var relid = this.getAttribute('rel');
		this.className = 'active';
		return showAdres(parentli, relid);
	  }
	}
  }
  current.style.visibility = 'visible'; 
  current.style.display = 'block';
  return false;
}
function showAdres(nodelist, id) {
  var puls = nodelist.getElementsByTagName('ul');
  for(i=0;i<puls.length;i++) {
	if(puls[i].className == 'result') { puls[i].style.visibilty = 'hidden'; puls[i].style.display = 'none'; }
  } // get first ul in li
  var pul = document.getElementById('sa'+id);
  pul.style.display = 'block';
  pul.style.visibility = 'visible'; 
  return false; // don't follow the real HREF of the link
}
window.onload = function() { adresMenu('adresbook'); }