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 register() {
    var Name = document.userSetup.nameReg.value;
    var Username = document.userSetup.usernameReg.value;
    var Password = document.userSetup.passwordReg.value;
    var Email = document.userSetup.emailReg.value;
    var params = 'Name='+Name+'&Username='+Username+'&Password='+Password+'&Email='+Email;
    document.userSetup.registerSubmit.disabled=true; 
    document.userSetup.registerSubmit.value='Registering';

    http.open('POST', 'include_registerUser.php', true);
    http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    http.setRequestHeader("Content-length", params.length);
    http.setRequestHeader("Connection", "close");
    http.onreadystatechange = handleRegister;
    http.send(params);
}

function handleRegister() {
    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];            
            document.userSetup.registerSubmit.disabled=false; 
            document.userSetup.registerSubmit.value='Try Again';
        }
    }
}