// FONTIONS STANDARD DE GESTION DE COOKIES

   function SetCookie(cookieName,cookieValue,nDays) {
	 var today = new Date();
	 var expire = new Date();
	 if (nDays==null || nDays==0) nDays=1;
	 expire.setTime(new Date( today.getTime() + (nDays * 1000 * 60 * 60 * 24) ));
	 document.cookie = cookieName+"="+escape(cookieValue)
	                 + ";expires="+expire.toGMTString();
	}


	function setCookie(name, value, expires, path, domain, secure) {
      var curCookie = name + "=" + escape(value) +
          ((expires) ? "; expires=" + expires.toGMTString() : "") +
          ((path) ? "; path=" + path : "") +
          ((domain) ? "; domain=" + domain : "") +
          ((secure) ? "; secure" : "");
          
      document.cookie = curCookie;
    }


  

    function getCookie(name) {
      var dc = document.cookie;
      var prefix = name + "=";
      var begin = dc.indexOf("; " + prefix);
      if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
      } else
        begin += 2;
      var end = document.cookie.indexOf(";", begin);
      if (end == -1)
        end = dc.length;
      return unescape(dc.substring(begin + prefix.length, end));
    }
    
    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;
}
	
    

    

    // name - name of the cookie
    // [path] - path of the cookie (must be same as path used to create cookie)
    // [domain] - domain of the cookie (must be same as domain used to create cookie)
    // * path and domain default if assigned null or omitted if no explicit argument proceeds

    function deleteCookie(name, path, domain) {
      if (getCookie(name)) {
        document.cookie = name + "=" + 
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        "; expires=Thu, 01-Jan-70 00:00:01 GMT";
      }
    }