//time en seconde
function setCookie (name, value, time)
{	
	//nouvel objet date
	var now = new Date() ;
	 
	//nouvel objet date
	var expdate = new Date() ;

	if(time){
		expdate.setTime( now.getTime() + ( time * 1000 ) );
		document.cookie = name + "=" + value + ";expires=" + expdate.toGMTString();
	}
	else{
		//creation du cookie
		document.cookie = name + "=" + value + ";";
	}
}



function getCookie(nom) {
	var deb = document.cookie.indexOf(nom + "=")
	if (deb >= 0) {
	    deb += nom.length + 1;
	    var fin = document.cookie.indexOf(";",deb);
	    if (fin < 0) fin = document.cookie.length;
	    return unescape(document.cookie.substring(deb,fin));
	}
	return "";
}