function na_open_window(name, url, left, top, width, height, toolbar, menubar, statusbar, scrollbar, resizable)
{
  toolbar_str = toolbar ? 'yes' : 'no';
  menubar_str = menubar ? 'yes' : 'no';
  statusbar_str = statusbar ? 'yes' : 'no';
  scrollbar_str = scrollbar ? 'yes' : 'no';
  resizable_str = resizable ? 'yes' : 'no';

  cookie_str = document.cookie;
  cookie_str.toString();

  pos_start  = cookie_str.indexOf(name);
  pos_end    = cookie_str.indexOf('=', pos_start);

  cookie_name = cookie_str.substring(pos_start, pos_end);

  pos_start  = cookie_str.indexOf(name);
  pos_start  = cookie_str.indexOf('=', pos_start);
  pos_end    = cookie_str.indexOf(';', pos_start);
  
  if (pos_end <= 0) pos_end = cookie_str.length;
  cookie_val = cookie_str.substring(pos_start + 1, pos_end);
  if (cookie_name == name && cookie_val  == "done")
    return;

  window.open(url, name, 'left='+left+',top='+top+',width='+width+',height='+height+',toolbar='+toolbar_str+',menubar='+menubar_str+',status='+statusbar_str+',scrollbars='+scrollbar_str+',resizable='+resizable_str);
}

function brum(e) {
      if(document.getElementById(e).style.display == 'block') {
        hideall();
        return;
      } else hideall();
      if (document.getElementById(e).style.display == 'none') {
        document.getElementById(e).style.display = 'block';
      } else {
        document.getElementById(e).style.display = 'none';
      }
    }
  
    function hideall() {
        var Nodes = document.getElementsByTagName('ul')
        var max = Nodes.length
        for(var i=0;i<max;i++) {
          var nodeObj = Nodes.item(i);
          if(nodeObj.id.indexOf('hidd')!=-1) {
            nodeObj.style.display = 'none';
          }
        }
    }