function initMenu() {
  $('#nav .open ul').show();
  $('#nav li a').click(
    function() {
      var checkElement = $(this).next();
      if((checkElement.is('ul')) && (checkElement.is(':visible'))) {
        checkElement.slideUp('normal');
        return true;
        }
      if((checkElement.is('ul')) && (!checkElement.is(':visible'))) {
        checkElement.slideDown('normal');
        return true;
        }
      }
    );
  }
$(document).ready(function() {initMenu();});
function clicca(){


document.getElementById('testo').setAttribute('value','');


}
function noclicca(){


document.getElementById('testo').setAttribute('value','Search');


}

/*scroll to top*/
$(function () { // run this code on page load (AKA DOM load)
 
	/* set variables locally for increased performance */
	var scroll_timer;
	var displayed = false;
	var $message = $('.top a');
	var $window = $(window);
	var top = $(document.body).children(0).position().top;
 
	/* react to scroll event on window */
	$window.scroll(function () {
		window.clearTimeout(scroll_timer);
		scroll_timer = window.setTimeout(function () { // use a timer for performance
			if($window.scrollTop() <= top) // hide if at the top of the page
			{
				displayed = false;
				$message.fadeOut(500);
			}
			else if(displayed == false) // show if scrolling down
			{
				displayed = true;
				$message.stop(true, true).show().click(function () { $message.fadeOut(500); });
			}
		}, 100);
	});
});