function checkDate()
	{
		var monthLength = new Array(31,28,31,30,31,30,31,31,30,31,30,31);
		var day = document.regForm.giorno.value;
		var month = document.regForm.mese.value;
		var year = document.regForm.anno.value;

		if (year/4 == parseInt(year/4))
			monthLength[1] = 29;

		if (day > monthLength[month-1])
			return false;

		monthLength[1] = 28;

		return true;
	}
	function init()
			{
			//TUTTI I CAMPI OBBLIGATORI DEL FORM	
			define('fr_nome','string','nome');
			define('fr_cognome','string','cognome');
      define('fr_citta','string','citta');
      define('fr_telefono','string','telefono');
      define('fr_richiesta','string','richiesta');   
       define('fr_email','email','email'); 
	        }

	function invia() {	
	        validate();
	       	return returnVal;
	}

	function reset() {
	        this.document.regForm.reset();
	}