window.addEvent('domready', function() {
$('cf_form').setProperty('action', 'ajax_sendcontactform');
$('cf_form').addEvent('submit', function(e) {
	/**
	 * Prevent the submit event
	 */
	new Event(e).stop();

/*KONTOLA SPRAVNOSTI FORMULARE*/
  var alerttext = "";
  //email
  regExpPatternemail=/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*\.(([0-9]{1,3})|([a-zA-Z]{2,3})|(aero|coop|info|museum|name))$/
  with (this.cf_email) {
  	  if (value==null || value=="")
  		    alerttext += "Povinná položka 'E-mail'.\n";
  	  else if (!regExpPatternemail.test(value)) alerttext += "Nesprávný formát položky 'E-mail'\n";
      }
  with (this.cf_name) {
  	  if (value==null || value=="")
  		    alerttext += "Povinná položka 'Jméno'.\n";
      }
  with (this.cf_question) {
  	  if (value==null || value=="")
  		    alerttext += "Povinná položka 'Poznámka'.\n";
      }
  if (alerttext.length > 0) {
      //alert(alerttext);
      $('log').empty().setHTML('<div class="messageE"><p>' + alerttext + '</p></div>');
      return false;    
      }
 
	/**
	 * This empties the log and shows the spinning indicator
	 */
	var log = $('log').empty().addClass('ajaxLoading');
 
	/**
	 * 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('ajaxLoading');
		}
	});
});
});