//	var date=new Date;
//	date.setFullYear(date.getFullYear()+1);
//	EcrireCookie(nom, '1', date, '/');

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' : '');
}

// http://www.actulab.com/lire-les-cookies.php
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 '';
}

// http://www.actulab.com/effacer-les-cookies.php
function EffaceCookie(nom) {
	var date=new Date;
	date.setFullYear(date.getFullYear()-1);
	EcrireCookie(nom,null,date,'/');
}