ajax_form.js

// http://malsup.github.io/min/jquery.form.min.js
// <script type="text/javascript" src="{}jquery.form.min.js"></script>

function showRequest(formData, jqForm, options) { 
	var queryString = jQuery.param(formData); 			
	jQuery(".afterSend").empty().html("sending...");
	return true; 
} 

function showResponse(responseText, statusText, xhr, jQueryform)  { 
	jQuery(".afterSend").empty().html(responseText);
} 

function error() {

}

jQuery('formthis').on('submit', function(e) {
	e.preventDefault();
	jQuery(this).ajaxSubmit({
		target:        '.afterSend',
		crossDomain: false,
		beforeSubmit:  showRequest,
		success:       showResponse,
		error: error

	});
});