function SetCookie (name, value) {
	var argv=SetCookie.arguments;
	var argc=SetCookie.arguments.length;
	//var expires=(argc > 2) ? argv[2] : null;
	var expires = null;
	if (argc > 2)
		if (argv[2] != "")
			expires = argv[2];
		else{ // on précise la sate d'expiration ŕ "" pour expiration maximale (100 ans :)
			var date = new Date();
			date.setFullYear(date.getFullYear()+100);
			expires=date;
		}
	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 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;
}