ajax.js

	$.ajax({
		url: '/path/to/file',
		type: 'default GET (Other values: POST)',
		dataType: 'default: Intelligent Guess (Other values: xml, json, script, or html)',
		data: {param1: 'value1'},
		beforeSend: function (){
			this_s.after(" <img src='img/loading.gif' class='loading_ajax'> ");
		}
	})
	.done(function() {
		$(".loading_ajax").remove();
		console.log("success");
	})
	.fail(function() {
		console.log("error");
	})
	.always(function() {
		console.log("complete");
	});