Spinner/loader in specified place before AJAX request (shows only if request has taken more than X milliseconds)

gistfile1.js

//var i, interval_id;
//var interval_id;
var timeout_id;

//i = 0;
 
//interval_id = setInterval(function() {
timeout_id = setTimeout(function() {
 
//	++i;
 
//	if (i == 1000) {
 
		$('.place_for_spinner').html('...');
 
//	}
 
//}, 1);
}, 1000);
 
$.post('over/the/rainbow', function() {
 
//	clearInterval(interval_id);
	clearTimeout(timeout_id);
	
	$('.place_for_spinner').remove();
 
});