function check_login(login)
{

	var rand = Math.random(10);

	var url = APP_DIR + 'usuarios/comprobar_login/' + rand + '/' + login;


		new Ajax.Request( url, {
		method: 'get',
		encoding: 'utf-8',
		parameters: {login: $('user_login').value},
		onSuccess: function(transport) {

			if(transport.responseText) {
			$('div_login').innerHTML = transport.responseText;

			load_events();
			}
		}
	});
}


function load_events()
{


Event.observe($('comprobarUser'), 'click', function(e) {

			user_login = $('user_login').value;
			check_login(user_login);
		}
	);




}

load_events();