function contact(fn, ln) 
{ 
  var OAjax; 
  if (window.XMLHttpRequest) OAjax = new XMLHttpRequest(); 
  else if (window.ActiveXObject) OAjax = new ActiveXObject('Microsoft.XMLHTTP'); 
  OAjax.open('POST',"mailer.php",true); 
  OAjax.onreadystatechange = function() 
  { 
      if (OAjax.readyState == 4 && OAjax.status==200) 
      { 
          if (document.getElementById) 
          {
              if (OAjax.responseText =='true') { /* OK */ 
                    document.getElementById('msg').innerHTML='<font color=GREEN>'+OAjax.responseText+'</font>'; 
              }else{                             /* PAS OK */ 
                    document.getElementById('msg').innerHTML='<font color=RED>'+OAjax.responseText+'</font>'; 
              } 
          }      
      } 
  } 
  OAjax.setRequestHeader('Content-type','application/x-www-form-urlencoded'); 
  OAjax.send('fn='+fn+'&ln='+ln);                  
}