function createRequestObject() {

var ro;

var browser = navigator.appName;

if(browser == "Microsoft Internet Explorer"){

ro = new ActiveXObject("Microsoft.XMLHTTP");

}else{

ro = new XMLHttpRequest();

}

return ro;

}

var http = createRequestObject();

function sndReq(email, subject, body) {

http.open('get', 'sendmail.php?email='+email+'&subject='+subject+'&body='+body);

http.onreadystatechange = handleResponse;

http.send(null);

}

function handleResponse() {

if(http.readyState == 4){

var response = http.responseText;

var update = new Array();

if(response.indexOf('|') != -1) {

update = response.split('|');

document.getElementById(update[0]).innerHTML = update[1];
displayThanks();
} else if(response == 'display') {
    displaySendBtn();
}

}

}