function serializeForm(id) { var form = document.getElementById(id); var formData = {}; for (var i = 0; i < form.elements.length; i++) { var el = form.elements[i]; if (el.type != 'submit') { var name = el.name; if (name == '') { name = el.id; }; switch (el.type) { case 'checkbox': formData[name] = el.checked; break; case 'text': case 'password': case 'select-one': case 'email': case 'number': formData[name] = el.value; break; }; }; }; return formData; };