Ajax регистрация

function sendData(){
    ajax({
        url:'http://thomascraft.ru/engine/modules/registration/ajax/steps.php',
        statbox:'contentarea',
        method:'POST',
        data:
        {
            step:document.getElementById('step').value,
            uname:document.getElementById('uname').value,
            passwordOne:document.getElementById('passwordOne').value,
            passwordTwo:document.getElementById('passwordTwo').value,
            email:document.getElementById('email').value
        },
        success:function(data){document.getElementById('contentarea').innerHTML=data;}
    });
}

function loadData(){
    ajax({
        url:'http://thomascraft.ru/engine/modules/registration/ajax/steps.php',
        statbox:'contentarea',
        method:'POST',
        data:
        {
            step:document.getElementById('step').value
        },
        success:function(data){document.getElementById('contentarea').innerHTML=data;}
    });
}