function inhabilitar(radioButton) {
		var form = document.reservas;
		if (radioButton.value == 'R') {
			form.fecVuelta.disabled = false;
			//form.horaVuelta.disabled = false;
		} else {
			form.fecVuelta.value ='';
		
			//form.ff.disabled = true;
			form.fecVuelta.disabled = true;
			//form.horaVuelta.disabled = true;		
		}
	}
	
	function inhabilitarOnLoad(tipoViaje) {
		var form = document.reservas;
		if (tipoViaje == 'IV') {
			form.fecVuelta.disabled = false;			//form.horaVuelta.disabled = false;
		} else {
			
			form.fecVuelta.value = '';			//form.horaVuelta.value = '';
			form.fecVuelta.disabled = true;			//form.horaVuelta.disabled = true;		
		}	
	}	
	function enviar() {
		var form = document.reservas;
		form.fecVuelta.disabled = false;		//form.horaVuelta.disabled = false;
	}	
	function getNum(strDia)
	{	var intRet = 0;
		 if (strDia!=null) 
		 {
		// alert(strDia);
			if(strDia.length >1)
			  { 
				if(strDia.substring(0,1) == "0")
					intRet = parseInt(strDia.substring(1,2));
				else	
					intRet = parseInt(strDia);
			  }
				
		 }
			return intRet;	
	}