Recursivelly call the same ajax until certain return.

recursivea_jax.js

// WARNING: This is an antipattern, just to explain for a friend of mine how this could work
// Don't do this is serious projects.

function calendarLoop() {
	$.ajax({
		url:'/calendario/adicionar',
		dataType: 'json',
		data: {}, // an object to be serialized or string in param format data1=foo&data2=bar
		success: function(data) {
			if(data.repeat) {
				// data is {"repeat":true}
				calendarLoop();
			} else {
				// data is {"repeat":false,"html":"<p>result</p>"}
				endLoop(data);
			}
		}
	})
}

function endLoop(data) {
	$('#taegetDiv').html(data.html);
	// many other possibilities
}