<form id="form-id">
//bu alanada diğer fomlar
</form>
<div class="pull-right" id="gonder_buton"><a class="btn btn-primary" >Formu Gönder</a></div>
<script>
var form = document.getElementById("form-id");
document.getElementById("gonder_buton").addEventListener("click", function () {
form.submit();
});
</script>