var at_timeout = 50;


function at_show_aux(parent, child)
{
  var p = document.getElementById(parent);
  var c = document.getElementById(child);

  p.className = "active";

  var top  = (c["at_position"] == "y") ? p.offsetHeight+2 : 0;
  var left = (c["at_position"] == "x") ? p.offsetWidth +2 : 0;

  for (; p; p = p.offsetParent)
  {
    if (p.style.position != 'absolute')
    {
      left += p.offsetLeft;
      top  += p.offsetTop;
    }
  }

  c.style.position   = "absolute";
  c.style.top        = top +'px';
  c.style.left       = left+'px';
  c.style.visibility = "visible";
}


function at_hide_aux(parent, child)
{
  document.getElementById(parent).className        = "parent";
  document.getElementById(child ).style.visibility = "hidden";
}


function at_show()
{
  var p = document.getElementById(this["at_parent"]);
  var c = document.getElementById(this["at_child" ]);

  at_show_aux(p.id, c.id);

  clearTimeout(c["at_timeout"]);
}


function at_hide()
{
  var c = document.getElementById(this["at_child"]);

  c["at_timeout"] = setTimeout("at_hide_aux('"+this["at_parent"]+"', '"+this["at_child" ]+"')", at_timeout);
}


function at_attach(parent, child, position)
{
  p = document.getElementById(parent);
  c = document.getElementById(child );

  p["at_child"]    = c.id;
  c["at_child"]    = c.id;
  p["at_parent"]   = p.id;
  c["at_parent"]   = p.id;
  c["at_position"] = position;

  p.onmouseover = at_show;
  p.onmouseout  = at_hide;
  c.onmouseover = at_show;
  c.onmouseout  = at_hide;
}


function dhtmlmenu_build_aux(parent, child, position)
{
  document.getElementById(parent).className = "parent";

  document.write('<div class="vert_menu" id="'+parent+'_child">');

  var n = 0;
  for (var i in child)
  {
    if (i == '-')
    {
      document.getElementById(parent).href = child[i];
      continue;
    }

    if (typeof child[i] == "object")
    {
      document.write('<a class="parent" id="'+parent+'_'+n+'">'+i+'</a>');
      dhtmlmenu_build_aux(parent+'_'+n, child[i], "x");
    }
    else document.write('<a id="'+parent+'_'+n+'" href="'+child[i]+'">'+i+'</a>');
    n++;
  }

  document.write('</div>');

  at_attach(parent, parent+"_child", position);
}


function dhtmlmenu_build(menu)
{
  for (var i in menu) dhtmlmenu_build_aux(i, menu[i], "y");
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}