function at_show_aux(parent, child)
{
var p=document.getElementById(parent);
var c=document.getElementById(child );
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)
{
top+=p.offsetTop;
left+=p.offsetLeft;
}
c.style.position="absolute";
c.style.top=top+'px';
c.style.left=left+'px';
c.style.visibility="visible";
}
function at_attach(parent, child)
{
var p=document.getElementById(parent);
var 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"]="y";
c["at_position"]="y";
c.style.position="absolute";
c.style.visibility="hidden";
p.onmouseover=at_show;
p.onmouseout=at_hide;
c.onmouseover=at_show;
c.onmouseout=at_hide;
}
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 p=document.getElementById(this["at_parent"]);
var c=document.getElementById(this["at_child" ]);
c["at_timeout"]=setTimeout("document.getElementById('"+c.id+"').style.visibility='hidden'", 333);
}