function navMenuExp(){ 
 if(navigator.appVersion.indexOf("MSIE")==-1){return;}
 var i,k,g,lg,r=/\s*p7hvr/,nn='',c,cs='p7hvr',bv='navMenubar';
 for(i=0;i<10;i++){g=document.getElementById(bv+nn);if(g){
 lg=g.getElementsByTagName("LI");if(lg){for(k=0;k<lg.length;k++){
 lg[k].onmouseover=function(){c=this.className;cl=(c)?c+' '+cs:cs;
 this.className=cl;};lg[k].onmouseout=function(){c=this.className;
 this.className=(c)?c.replace(r,''):'';};}}}nn=i+1;}
}


window.onload = navMenuExp; 


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


  c.style.visibility = "visible";

  clearTimeout(c["at_timeout"]);
}

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

  c["at_timeout"] = setTimeout("document.getElementById('"+c.id+"').style.visibility = 'hidden'", 333);
}

// ----- Attach -----
function at_attach(parent, child)
{
  p = document.getElementById(parent);
  c = document.getElementById(child);

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

  c.style.position   = "absolute";
  c.style.visibility = "hidden";

  // mouse pointer
  p.style.cursor = 'pointer';

  // hovering
  p.onmouseover = at_show;
  p.onmouseout  = at_hide;
  c.onmouseover = at_show;
  c.onmouseout  = at_hide;

}