// Copyright 2006-2007 javascript-array.com
var timeout	= 0;
var closetimer	= 0;
var ddmenuitem	= 0;
function opn(id) {	
noclose();
if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
ddmenuitem = document.getElementById(id);
ddmenuitem.style.visibility = 'visible'; 
}
function mclose(){ 
if(ddmenuitem) ddmenuitem.style.visibility = 'hidden'; 
}
function clotim(){ 
closetimer = window.setTimeout(mclose, timeout); 
}
function noclose() { 
if(closetimer){ 
window.clearTimeout(closetimer); 
closetimer = null; 
} 
}
document.onclick = mclose;