/*
19.08.2007 par Killian KOPP

Permet de gérer les cookies

Utilisation 

déclaration
	<script language="javascript">
		var cookie_dossier = location.pathname;
		var cookie_domaine = cookie_dossier.substring(0,cookie_dossier.lastIndexOf('/')) +'/';
		var cookie_date_expiration = new Date();
		cookie_date_expiration.setTime(cookie_date_expiration.getTime()+(365*24*3600*1000));
	</script>

écriture
	<script language="javascript">
		cookie_creer("prenom","Arthur",cookie_date_expiration,cookie_domaine);
		cookie_creer("nom","Dupond",cookie_date_expiration,cookie_domaine);
	</script>

lecture
	<script language="javascript">
		var prenom = cookie_lecture("prenom");
	</script>
*/

// section temporaire 
var cookie_dossier = location.pathname;
var cookie_domaine = cookie_dossier.substring(0,cookie_dossier.lastIndexOf('/')) +'/';
var cookie_date_expiration = new Date();
cookie_date_expiration.setTime(cookie_date_expiration.getTime()+(365*24*3600*1000));
// fin de section temporaire


function cookie_creer (name, value) {
	var argv = cookie_creer.arguments;
	var argc = cookie_creer.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 = name + "=" + escape(value) +
		((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
		((path == null) ? "" : ("; path=" + path)) +
		((domain == null) ? "" : ("; domain=" + domain)) +
		((secure == true) ? "; secure" : "");
}

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

function cookie_lecture(name) {
	var arg = name + "=";
	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 cookie_valeur (j);
		i = document.cookie.indexOf(" ",i)+1;
		if (i == 0) break;
	}
	return null;
}