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_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);}
function at_click()
{var p=document.getElementById(this["at_parent"]);var c=document.getElementById(this["at_child"]);if(c.style.visibility!="visible")at_show_aux(p.id,c.id);else c.style.visibility="hidden";return false;}
function at_attach(parent,child,showtype,position,cursor)
{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"]=position;c["at_position"]=position;c.style.position="absolute";c.style.visibility="hidden";if(cursor!=undefined)p.style.cursor=cursor;switch(showtype)
{case"click":p.onclick=at_click;p.onmouseout=at_hide;c.onmouseover=at_show;c.onmouseout=at_hide;break;case"hover":p.onmouseover=at_show;p.onmouseout=at_hide;c.onmouseover=at_show;c.onmouseout=at_hide;break;}}