var xmlHttp

function ajaxSendEmail(e,p,s,t){
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null){
    alert ("Your browser does not support AJAX!");
    return;
  } 

  var url="SendEmail.asp";

  url=url+"?yemail="+e;
  url=url+"&yname="+p;
  url=url+"&femail="+s;
  url=url+"&fname="+t;

  xmlHttp.onreadystatechange=stateChanged;
  xmlHttp.open("GET",url,true);
  xmlHttp.send(null);
}


function GetXmlHttpObject(){
  var xmlHttp=null;
  try{
    // Firefox, Opera 8.0+, Safari
    xmlHttp=new XMLHttpRequest();
  }catch (e){
    // Internet Explorer
    try{
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }catch (e){
      xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
  return xmlHttp;
}


function stateChanged(){ 
  if (xmlHttp.readyState==4){ 
    var str = xmlHttp.responseText;
    document.eform.yname.value = ' your name';
    document.eform.yemail.value = ' your email';
    document.eform.fname.value = ' friends name';
    document.eform.femail.value = ' friends email';
    alert(str);
  }
}