function rsvp() {
	var event=document.eventrsvp.event.value;
	var email=document.eventrsvp.email.value;
	var password=document.eventrsvp.password.value;	
	http.open('post', 'thankyou.inc.php?eid='+event+'&email='+email+'&pid='+password);
	http.onreadystatechange = handleInfo;
	http.send(null);
}

function createRequestObject(){
var request_;
var browser = navigator.appName;

if(browser == "Microsoft Internet Explorer"){
 request_ = new ActiveXObject("Microsoft.XMLHTTP");
}else{
 request_ = new XMLHttpRequest();
}
return request_;
}

var http = createRequestObject();

function handleInfo(){
if(http.readyState == 1){
 document.getElementById('rsvpstatus').innerHTML = 'Loading...';
}
if(http.readyState == 4){
 var response = http.responseText;
 document.getElementById('rsvpstatus').innerHTML = response;
}
}