/* Event:Selector */
var Rules = {

  	'#submenu li span:mouseover': function(element) {
  	    element.className = 'submenuhover';
  	  },
  	
  	'#submenu li span:mouseout': function(element) {
  	    element.className = '';
  	  },
  	/* Mostra il link quando il js è attivo */
  	'.show_link': function(element) {
    	    element.style.display = 'block';
    	} 
}
   
Event.observe(window, 'load', function(event){ EventSelectors.start(Rules); });