var busy = false;
function loadCiudades() {

	if (busy) return false;

	if ($F('provincia') != 0) {
		busy = true;
		new Effect.Opacity('localidadH', { from: 1, to: 0, duration: 0.5, queue: 'front',
					afterFinish: function() {
						new Ajax.Request('/php/buscadorCitys.php', {
							parameters: {id: $F('provincia') },
							onCreate: function() {
							//$('holderLoad').addClassName('loading');
							},
							onComplete: function(transp) {
									$('localidadS').update(transp.responseText);
									//$('localidadS').removeClassName('loading');
									new Effect.Opacity('localidadH', {from: 0, to: 1, duration: 0.5, queue: 'end' });
									busy = false;
							}
						});
					}
		});

	} else {
		busy = true;
		new Effect.Opacity('localidadH', { from: 1, to: 0, duration: 0.5, queue: 'front',
					afterFinish: function() {
						$('localidadS').update('<select name="c" id="localidad" disabled="disabled"><option>-------</option></select>');
						//$('holderLoad').addClassName('loading');
						new Effect.Opacity('localidadH', {from: 0, to: 1, duration: 0.5, queue: 'end' });
						busy = false;
					}
		});

	}
}

function buildUrl() {




}