function changeDisplay(id)
{
  var ul = document.getElementById('ul' + id).style;
  var li = document.getElementById('li' + id).style;

var texter=Array(); 
texter[1]="закрыть"; 
texter[2]="открыть"; 
function spisok(id){ 
return texter[id]; 
} 


  if ( 'none' == ul.display )
  {
    ul.display = 'block';
   // li.listStyleImage = 'url("/img/folder_open.gif")';
    document.getElementById('spisok' + id).innerHTML = spisok(1);
  }
  else
  {
    ul.display = 'none';
   // li.listStyleImage = 'url("/img/folder_close.gif")';
    document.getElementById('spisok' + id).innerHTML =spisok(2);
  }
 
}