function at_show_aux(e,f){var a=document.getElementById(e),b=document.getElementById(f),d=b["at_position"]=="y"?a.offsetHeight+2:0,c=b["at_position"]=="x"?a.offsetWidth+2:0;for(;a;a=a.offsetParent){d+=a.offsetTop;c+=a.offsetLeft}b.style.position="absolute";b.style.top=d+"px";b.style.left=c+"px";b.style.visibility="visible"}function at_show(){var b=document.getElementById(this["at_parent"]),a=document.getElementById(this["at_child"]);at_show_aux(b.id,a.id);clearTimeout(a["at_timeout"])}function at_hide(){var b=document.getElementById(this["at_parent"]),a=document.getElementById(this["at_child"]);a["at_timeout"]=setTimeout("document.getElementById('"+a.id+"').style.visibility = 'hidden'",333)}function at_click(){var b=document.getElementById(this["at_parent"]),a=document.getElementById(this["at_child"]);if(a.style.visibility!="visible")at_show_aux(b.id,a.id);else a.style.visibility="hidden";return false}function at_attach(f,g,e,c,d){var b=document.getElementById(f),a=document.getElementById(g);b["at_parent"]=b.id;a["at_parent"]=b.id;b["at_child"]=a.id;a["at_child"]=a.id;b["at_position"]=c;a["at_position"]=c;a.style.position="absolute";a.style.visibility="hidden";if(d!=undefined)b.style.cursor=d;switch(e){case "click":b.onclick=at_click;b.onmouseout=at_hide;a.onmouseover=at_show;a.onmouseout=at_hide;break;case "hover":b.onmouseover=at_show;b.onmouseout=at_hide;a.onmouseover=at_show;a.onmouseout=at_hide}}