var ns=document.layers,ie=document.all,w3c=document.documentElement,menOpen=!1,timerOn=!1;function get_element(a){if(w3c||-1!=navigator.userAgent.indexOf("Opera"))return document.getElementById(a);if(ns)return eval("document."+a);if(ie)return eval("document.all."+a)}function checkTimer(){timerOn&&(clearTimeout(timerOn),timerOn=!1)}function startTimer(){timerOn=setTimeout("zeigen();",250)}
function weg(){if(menOpen){checkTimer();if(ns&&document.layers[menOpen])document.layers[menOpen].visibility="hide";if(!ns&&get_element(menOpen))get_element(menOpen).style.visibility="hidden";menOpen=!1}}function zeigen(a){weg();if(a){if(ns&&document.layers[a])document.layers[a].visibility="show";if(!ns&&get_element(a))get_element(a).style.visibility="visible";if(get_element(a))get_element(a).onmouseover=checkTimer,get_element(a).onmouseout=startTimer;menOpen=a}};