/*******code to store user's name in cookie*********/

      function getCookie(name) {
         var prefix = name + "=";
         var cookieStartIndex = document.cookie.indexOf(prefix);

         if (cookieStartIndex == -1)
            return null;

         var cookieEndIndex = 
             document.cookie.indexOf(";", cookieStartIndex + prefix.length);

         if (cookieEndIndex == -1)
            cookieEndIndex = document.cookie.length;

         return unescape(document.cookie.substring
              (cookieStartIndex + prefix.length, cookieEndIndex));
      }

      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;
      }

      var today = new Date();
      var expires = new Date();
      expires.setTime(today.getTime() + 1000*60*120); //stores for 2 hours

      var name = getCookie( "username");