window.addEvent('domready', function(){
			$('myForm').addEvent('submit', function(e) {
			
			
				/**
				 * Prevent the submit event
				 */
				new Event(e).stop();
			
				/**
				 * This empties the log and shows the spinning indicator
				 */
				var log = $('response').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');
						
					}
				});
			});
		});
	
	
		
		
function toggle_visibility(id) {
	var e = document.getElementById(id);
	if(e.style.display == 'block')
	  e.style.display = 'none';
	else
	  e.style.display = 'block';
}