function at_show_aux(parent,child){var p=document.getElementById(parent);var c=document.getElementById(child);var top=(c["at_position"]=="y")?p.offsetHeight+5:0;var left=(c["at_position"]=="x")?p.offsetWidth+5:0;c.style.display="block";c.style.visibility="visible";if(c["at_position"]=="y")left=p.offsetWidth/2-c.offsetWidth/2;for(;p;p=p.offsetParent){top+=p.offsetTop;left+=p.offsetLeft;}
c.style.top=top+'px';c.style.left=left+'px';}
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';document.getElementById('"+c.id+"').style.display = 'none'",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.display="none";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.display="none";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;}}