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){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.style.cursor = "pointer";p.onclick = at_click;c.onmouseover = at_show;c.onmouseout  = at_hide;}