var clickid=getQueryParameter("clickid");
   
    if(clickid != "null" && clickid != ""){
       document.cookie="clickid="+clickid+";path=/";
    };
    function getQueryParameter ( parameterName ) {
      var queryString = window.top.location.search.substring(1);
      var parameterName = parameterName + "=";
      if ( queryString.length > 0 ) {
        begin = queryString.indexOf ( parameterName );
        if ( begin != -1 ) {
          begin += parameterName.length;
          end = queryString.indexOf ( "&" , begin );
            if ( end == -1 ) {
            end = queryString.length
          }
          return unescape ( queryString.substring ( begin, end ) );
        }
      }
      return "null";
    }