window.addEvent('domready', function(){
			$('comment').addEvent('submit', function(e) {
				/**
				 * Prevent the submit event
				 */
				new Event(e).stop();
			
				/**
				 * This empties the log and shows the spinning indicator
				 */
				var log = $('comment_view').empty().addClass('ajax-loading');
			
				/**
				 * send takes care of encoding and returns the Ajax instance.
				 * onComplete removes the spinner from the log.
				 */
				this.send({
					update: log,
					onComplete: function() {
						log.removeClass('ajax-loading');
					}
				});
			});
		}); 

var ajaxLink = function(container, urlAjax){
  urlAjax = urlAjax;
  el = $(container);
  var loading = el.setHTML('<div id=\"spinner\"><img src=images/spinner.gif></div>');
  new Ajax(urlAjax, {
    method: 'get',
    update:  el,
    timeout: 2000,
    onTimeout: function(){alert('Timeout ...')}
   
  }).request();
  return false;
}