var xmlhttp;

function Campaign_Click(cpid, memid)
{
  xmlhttp=GetXmlHttpObject();
  if (xmlhttp==null)
    {
    alert ("Browser does not support HTTP Request");
    return;
    }

  var url="http://member.modisclub.com/campaign_join.php";
  url=url+"?cpid="+cpid;
  url=url+"&memid="+memid;  
  xmlhttp.onreadystatechange=stateChanged;
  xmlhttp.open("GET",url,true);
  xmlhttp.send(null);
  
}

function stateChanged()
{
  if (xmlhttp.readyState==4)
  {
    document.getElementById("campaign_join_result_all").innerHTML=xmlhttp.responseText;

  }
}

function GetXmlHttpObject()
{
  var objXMLHttp=null;
  if (window.XMLHttpRequest)
  {
    objXMLHttp=new XMLHttpRequest();
  }
  else if (window.ActiveXObject)
  {
    objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
  return objXMLHttp;
}