if(typeof(window[ 'qwapi' ]) == "undefined") {
  qwapi = {};
}

if(typeof(window['qwapi.http']) == "undefined") {
  qwapi.http = {
    setCookie : function(name, value, expires) {
      // set time, it's in milliseconds
      var today = new Date();
      today.setTime(today.getTime());

      /*
        if the expires variable is set, make the correct
        expires time, the current script below will set
        it for x number of days, to make it for hours,
        delete * 24, for minutes, delete * 60 * 24
      */
      if(expires) {
        expires = expires * 1000 * 60;
      }
      var expires_date = new Date( today.getTime() + (expires) );
      var cookieString = name + "=" +escape(value)
      +
      ((expires) ? ";expires=" + expires_date.toGMTString() : "");

      document.cookie = cookieString;
    
      var newCookie = document.cookie;
      var i = 0;
    },
    getCookie : function(check_name) {  
      // first we'll split this cookie up into name/value pairs
      // note: document.cookie only returns name=value, not the other components
      var a_all_cookies = document.cookie.split( ';' );
      var a_temp_cookie = '';
      var cookie_name = '';
      var cookie_value = '';
      var b_cookie_found = false; // set boolean t/f default f

      for (i = 0; i < a_all_cookies.length; i++) {
        // now we'll split apart each name=value pair
        a_temp_cookie = a_all_cookies[i].split( '=' );
        // and trim left/right whitespace while we're at it
        cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

        // if the extracted name matches passed check_name
        if(cookie_name == check_name) {
          b_cookie_found = true;
          // we need to handle case where cookie has no value but exists (no = sign, that is):
          if(a_temp_cookie.length > 1) {
            cookie_value = unescape(a_temp_cookie[1].replace(/^\s+|\s+$/g, ''));
          }
          // note that in cases where cookie is initialized but no value, null is returned
          return cookie_value;
          break;
        }
        a_temp_cookie = null;
        cookie_name = '';
      }
      if(!b_cookie_found) {
        return null;
      }  
    },
    deleteCookie : function(name) {
      if(qwapi.http.getCookie(name)) {
        document.cookie = name + "=" +
          ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
       }
    }  
  };
}