function hide() {
	document.getElementById('nh').style.display='none';
	document.getElementById('tabnico').style.display='inline';
	date=new Date;
	date.setMonth(date.getMonth()+1);
	EcrireCookie('Nico','1',date,'/');
}
function show() {
	document.getElementById('nh').style.display='block';
	document.getElementById('tabnico').style.display='none';
}

// Les cookies en javascript
// http://www.actulab.com/les-cookies-en-javascript.php

function EcrireCookie(nom, valeur)
{
var argv=EcrireCookie.arguments;
var argc=EcrireCookie.arguments.length;
var expires=(argc > 2) ? argv[2] : null;
var path=(argc > 3) ? argv[3] : null;
var domain=(argc > 4) ? argv[4] : null;
var secure=(argc > 5) ? argv[5] : false;
document.cookie=nom+"="+escape(valeur)+
((expires==null) ? "" : ("; expires="+expires.toGMTString()))+
((path==null) ? "" : ("; path="+path))+
((domain==null) ? "" : ("; domain="+domain))+
((secure==true) ? "; secure" : "");
}

function getCookieVal(offset)
{
var endstr=document.cookie.indexOf (";", offset);
if (endstr==-1) endstr=document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}

function LireCookie(nom)
{
var arg=nom+"=";
var alen=arg.length;
var clen=document.cookie.length;
var i=0;
while (i<clen)
{
var j=i+alen;
if (document.cookie.substring(i, j)==arg) return getCookieVal(j);
i=document.cookie.indexOf(" ",i)+1;
if (i==0) break;

}
return null;
}

/*
window.onload = function() {
	if( !LireCookie('Nico') ) show();
}
*/