function stop_action(){
  document.form_eventi.eve_dove_stop.value='stop';
}
function change_action(pag){
  if(pag && document.form_eventi.eve_dove_stop.value==""){
     var frm = document.getElementById("form_eventi");
	  frm.action=pag + ".php";
	  //frm.submit();
  }
}

	  var currentElement_aa=document.form_eventi.eve_date.value.substring(6,10);
	  var currentElement_mm=document.form_eventi.eve_date.value.substring(3,5);
	  var currentElement_gg=document.form_eventi.eve_date.value.substring(0,2);
     var inizio_date=currentElement_aa + "/" + currentElement_mm + "/" + currentElement_gg;
  	//alert(document.form_eventi.eve_date.value +"***" + inizio_date);

	Calendar.setup(
    {
      flat         : "calendar-container", // ID of the parent element
      date		   : inizio_date,
	  flatCallback : dateChanged           // our callback function
    }
  );