<script>
//$('#soap-form').submit(function () {
$.post(
$(this).attr('action'),
{ Source: "values here are", SiteGroup: $('#dropdown-select').val(), Identifier: $('#indentifier-input').val(), Password: $('#password-input').val() },
function (data) {
if (data != null) alert(data);
}
).error(function(){
alert("ERROR");
// do whatever you want with this error
});
return false;
// });
</script>