function get_param(param_name)
{
   var query = location.search.substring(1);
   var pairs = query.split('&');
   for (var i = 0; i < pairs.length; i ++ )
   {
      var pos = pairs[i].indexOf('=');
      if (pos == - 1) continue;
      var argname = pairs[i].substring(0, pos);
      if(argname.toLowerCase() == param_name.toLowerCase())
      {
         var value = pairs[i].substring(pos + 1);
         value = decodeURIComponent(value);
         return value;
      }
   }
   return null;
}

function getCookie_union(name)
{
   var cookieValue = "";
   var search = name + "=";
   if(document.cookie.length > 0)
   {
      offset = document.cookie.indexOf(search);
      if (offset != - 1)
      {
         offset += search.length;
         end = document.cookie.indexOf(";", offset);
         if (end == - 1) end = document.cookie.length;
         cookieValue = unescape(document.cookie.substring(offset, end))
      }
   }
   return cookieValue;
}กก

function setCookie_union(cookieName,cookieValue, DayValue)
{
   var expire ="";
   var day_value = 1;
   if(DayValue != null)
   {
      day_value = DayValue;
   }
   expire = new Date((new Date()).getTime() + day_value * 86400000);
   expire = "; expires=" + expire.toGMTString();
   document.cookie = cookieName + "="+escape(cookieValue)+";"+ expire;
}

function get_counter_url()
{
   var source = get_param('source');
   if (source != null)
   {
      var visited = getCookie_union('hkfls_visited');
      var isnew;
      if(visited == '1')
      {
         isnew = 0;
      }
      else
      {
         setCookie_union('hkfls_visited', '1', 1);
         isnew = 1;
      }

      var counter_url = '/pinlun/tongji.asp?p1=' + source + '&p2=' + escape(location.href) + '&p3=' + isnew + '&p4=' + escape(document.referrer);
       return counter_url
   }
}