Meinste etwa so?
<script language="JavaScript">
var openmenu="menu1";
if(document.layers)
{window.captureEvents(Event.MOUSEDOWN);
window.onmousedown=ausblenden (HIER PARAMETER);
} else
{document.onmousedown=ausblenden (HIER PARAMETER);
}
function einblenden(param)
{ openmenu=document.getElementById(param);
if (document.layers) {
openmenu.visibility ="show";
}
else {
openmenu.style.visibility ="visible";
}
}
function ausblenden(HIER PARAMETER)
{ openmenu=document.getElementById(HIER PARAMETER);
if (document.layers) {
openmenu.visibility ="hide";
}
else {
openmenu.style.visibility ="hidden";
}
}
</script>
<style type="text/css">
</style>
</head>