xpwbp555gn=xppr('p555g_0.gif');xpwbp555go=xppr('p555g_1.gif');xpwbp555gc=xppr('p555g_2.gif');xpwbb555gn=xppr('b555g_0.gif');xpwbb555go=xppr('b555g_1.gif');xpwbb555gc=xppr('b555g_2.gif');xpwb7555gn=xppr('7555g_0.gif');xpwb7555go=xppr('7555g_1.gif');xpwb7555gc=xppr('7555g_2.gif');xpwby555gn=xppr('y555g_0.gif');xpwby555go=xppr('y555g_1.gif');xpwby555gc=xppr('y555g_2.gif');xpwb8555gn=xppr('8555g_0.gif');xpwb8555go=xppr('8555g_1.gif');xpwb8555gc=xppr('8555g_2.gif');xpwbl555gn=xppr('l555g_0.gif');xpwbl555go=xppr('l555g_1.gif');xpwbl555gc=xppr('l555g_2.gif');xpwbd555gn=xppr('d555g_0.gif');xpwbd555go=xppr('d555g_1.gif');xpwbd555gc=xppr('d555g_2.gif');xpwbu555gn=xppr('u555g_0.gif');xpwbu555go=xppr('u555g_1.gif');xpwbu555gc=xppr('u555g_2.gif');xpwbf555gn=xppr('f555g_0.gif');xpwbf555go=xppr('f555g_1.gif');xpwbf555gc=xppr('f555g_2.gif');xpwb2555gn=xppr('2555g_0.gif');xpwb2555go=xppr('2555g_1.gif');xpwb2555gc=xppr('2555g_2.gif');
  // Menu Type 2
  function xppr(im)
  {
    var i=new Image();
    i.src='_chapters.htm.images/bt'+im;
    return i;
  }

  function xpe(id)
  {
    x=id.substring(0,id.length-1);
    if(document['xpwb'+x])
    {
    document['xpwb'+x].src=eval('xpwb'+id+'.src');
        if (id.indexOf('e')!=-1)
      document['xpwb'+x+'e'].src=eval('xpwb'+id+'e.src');
    }
    return false;
  } 


 function xpinit()
 {
   var o, i, uls = document.getElementsByTagName('UL');
   for (i=0, cnt=uls.length; i<cnt; i++)
     if (uls[i].id && uls[i].id.substring(0, 7)=='xpwbUL_')
     {
        o=uls[i];
        if (o)
        {
            var lis = o.getElementsByTagName('LI');
            for (var k=0; k<lis.length; k++)
            {
              lis[k].onmouseover = function (){ this.className = 'over'; }
              lis[k].onmouseout  = function (){ this.className = ''; }
            }
        }
     }
 }
 
 xpinit();

  /**
   * It searchs the parent
   *
   * @param _object object
   * @return unique variable from table-id
   *
   */
  function xpgetparent( _object )
  {
    var _id = null;
    while ( _object && _object.tagName != 'TABLE' ) _object = _object.parentNode;
    if ( _object.id && _object.id.indexOf(':') != -1 ) _id  = _object.id.split(':')[1];
    return _id;
  }
  
  function xpshow(ind, isVertical, _id)
  {
    if (xobtn != ind) xphide();
	
    // create unique variable
    _id = xpgetparent( _id );
    if ( !_id ) return;
    if ( global[ _id ] ) global[ _id ] = null;
    global[ _id ] = document.getElementById('xpwbUL_'+ind);
    xpsm = global[ _id ];
	
    // it saves button
    xobtn = ind;
    if (!xpsm) return;

    var img = document.getElementById('xpi_'+ind);
    var pos = xppos(img);

    if (isVertical)
    {
      xpsm.style.left = pos[0] + img.width + 'px';
      xpsm.style.top  = pos[1] + 'px';
    }
    else
    {
      xpsm.style.left = pos[0] + 'px';
      xpsm.style.top  = pos[1] + img.height + 'px';
    }

    xpsm.style.visibility = 'visible';
  }


  function xphide()
  {
    if ( xpsm )
    {
      if (xpsmt)
        clearTimeout(xpsmt);

      xpsm.style.visibility = 'hidden';
      xpsm = null;
      // clear selected
      xpe(xobtn + 'n');
    }
  }


  function xpsmout()
  {
    if ( xpsm )
    {
      xpsmt = setTimeout( 'xphide();', 1000);
    }
    else
    {
      // clear selected
      xpe(xobtn + 'n');
    } 
  }

  function xpsmover()
  {
    if (xpsmt)
      xpsmt = clearTimeout(xpsmt);
  }

  function xppos(o)
  {
    var l=0, t=0;
    while (o)
    {
      l += o.offsetLeft;
      t += o.offsetTop;
      o = o.offsetParent;
    }
    return [l, t];
  }

  // init global vars
  if (!global) var global = this;
  var xpsm  = null;
  var xpsmt = null;
  var xobtn = null;