// Acceptation des cookies
var acceptsCookies = false;
if(document.cookie == '') {
    document.cookie = 'acceptsCookies=yes';
    if(document.cookie.indexOf('acceptsCookies=yes')!=-1) {
		acceptsCookies = true; 
    }
} else {
	acceptsCookies = true;
}

// Ecriture d'un cookie
function setCookie (name, value, hours, path, domain, secure) {
    if (acceptsCookies) { 
		var not_NN2 = (navigator && navigator.appName 
		       && (navigator.appName == 'Netscape') 
		       && navigator.appVersion 
		       && (parseInt(navigator.appVersion) == 2))?false:true;

		if(hours && not_NN2) {
		    if ( (typeof(hours) == 'string') && Date.parse(hours) ) {
				var numHours = hours;
		    } else if (typeof(hours) == 'number') {
				var numHours = (new Date((new Date()).getTime() + hours*3600000)).toGMTString();
		    }
		}
		document.cookie = name + '=' + 
							escape(value) + 
							((numHours)?(';expires=' + numHours):'') + 
							((path)?';path=' + path:'') + 
							((domain)?';domain=' + domain:'') + 
							((secure && (secure == true))?'; secure':'');
		
	}
}

// Lecture d'un cookie
function readCookie(name) {
    if(document.cookie == '') { 
		return false; 
    } else { 
		var firstChar, lastChar;
		var theBigCookie = document.cookie;
		firstChar = theBigCookie.indexOf(name);
		var NN2Hack = firstChar + name.length;
		if((firstChar != -1) && (theBigCookie.charAt(NN2Hack) == '=')) {
		    firstChar += name.length + 1;
		    lastChar = theBigCookie.indexOf(';', firstChar);
		    if(lastChar == -1) lastChar = theBigCookie.length;
		    return unescape(theBigCookie.substring(firstChar, lastChar));
		} else { 
		    return false;
		}
    }	
}

// Suppression d'un cookie
function killCookie(name, path, domain) {
  var theValue = readCookie(name);
  if(theValue) {
      document.cookie = name + '=' + theValue + '; expires=Fri, 13-Apr-1970 00:00:00 GMT' + ((path)?';path=' + path:'') + ((domain)?';domain=' + domain:'');
  }
}