// Gestion des Cookies

// Ecriture dans le cookie
function Cookies(valeur,choix) {
	var date_exp = new Date();
	date_exp.setTime(date_exp.getTime()+(365*24*3600*1000));
	SetCookie(valeur,choix,date_exp);
}


function getcookieVal(offset) {
	var endstr=document.cookie.indexOf (";", offset);
	if (endstr==-1)
		endstr=document.cookie.length;
		return unescape(document.cookie.substring(offset, endstr));
}
function getcookie (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 getcookieVal (j);
			i=document.cookie.indexOf(" ",i)+1;
		if (i==0) break;}
			return null;
}
function SetCookie (name, value) {
	var argv=SetCookie.arguments;
	var argc=SetCookie.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 DeleteCookie(name) {
	var exp=new Date();
	exp.setTime (exp.getTime() - 100000);
	var cval=getcookie(name);
	document.cookie=name+"="+cval+"; expires="+exp.toGMTString();
}
// fin de la gestion des  Cookies