<!--

function getCookie(NameOfCookie)

   {
    if (document.cookie.length > 0) {
    begin = document.cookie.indexOf(NameOfCookie+"=");
        if (begin != -1) {
         begin += NameOfCookie.length+1;
         end = document.cookie.indexOf(";", begin);
             if (end == -1) end = document.cookie.length;
              return unescape(document.cookie.substring(begin, end));
             }
         }
    return null;
    }

function setCookie(NameOfCookie, value, expiredays) {

         var ExpireDate = new Date ();

         ExpireDate.setTime(ExpireDate.getTime() + (expiredays * 24 * 3600 * 1000));

         document.cookie = NameOfCookie + "=" + escape(value) +

         ((expiredays == null) ? "" : "; expires=" + ExpireDate.toGMTString());

         }


function delCookie (NameOfCookie) {

         if (getCookie(NameOfCookie)) {
         document.cookie = NameOfCookie + "=" + "; expires=Thu, 01-Jan-70 00:00:01 GMT";
         }
         }

// -->