pic = "http://bookseller.ru/pics/";

function openIt() 
{
  currEl = event.srcElement;
  if (currEl.className == "menu") 
  {
    newId = currEl.id + "vis";
    imgId = currEl.id;
    showIt = document.all(newId);
    if (showIt.style.display == "none") 
    {
      showIt.style.display = "";
      document.images(imgId).src = pic + "ar_right.gif";
    } 
    else
    {
      showIt.style.display = "none" ;
      document.images(imgId).src = pic + "ar_bottom.gif"; 
    }
  }
}

function active(sect1, sect2)
{
  sectid = "group" + sect1 + "vis";
  imgid = "group" + sect1;

  document.all(sectid).style.display = "";
  document.images(imgid).src = pic + "ar_right.gif";

  sectid = "group" + sect1 + "_" + sect2 + "vis";
  imgid = "group" + sect1 + "_" + sect2;
  if (document.all(sectid) != null)
  {
    document.all(sectid).style.display = "";
    document.images(imgid).src = pic + "ar_right.gif";
  }
}

function kup(url, title, w, h, s)
{
  x=262;
  y=200;
  window.open(url, title, 'resizable=no, menubar=no, status=no, scrollbars='+s+', width='+w+', height='+h+', left='+x+', top='+y);
}