function setCookie(c_name,value,expiredays)
{

  var exdate=new Date();
  exdate.setDate(exdate.getDate()+expiredays);
  document.cookie=c_name+ "=" +escape(value)+ ((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
  
}

function queryString(ji)
{

  hu = window.location.search.substring(1);
  gy = hu.split("&");
  for (i=0;i<gy.length;i++)
  {

    ft = gy[i].split("=");
    if (ft[0] == ji)
    {
      return ft[1];
    }
    
  }
  
}

affid=queryString( "affid" );

if ( typeof( affid ) != 'undefined' )
{

  setCookie( "AffID", affid, 30 );

}