function checkPedidoLibro (formName) {

	var formElements = document.forms[formName].elements;

	if (formElements["nombreP"].value == "" || formElements["nombreP"].value.length < 3) {
		alert(messages[43]);
		return false;
	}
	else if (formElements["apellido1P"].value == "" || formElements["apellido1P"].value.length < 3) {
		alert(messages[44]);
		return false;
	}
	else if (formElements["apellido2P"].value == "" || formElements["apellido2P"].value.length < 3) {
		alert(messages[45]);
		return false;
	}
	else if (formElements["direccionP"].value == "" || formElements["direccionP"].value.length < 3) {
		alert(messages[46]);
		return false;
	}
	else if (formElements["provinciaP"].value == "") {
		alert(messages[47]);
		return false;
	}
	else if (formElements["poblacionP"].value == "" || formElements["poblacionP"].value.length < 3) {
		alert(messages[48]);
		return false;
	}
	else if (formElements["codPostalP"].value.length != 5) {
		alert(messages[49]);
		return false;
	}
	else if (formElements["telefonoP"].value.length != 9) {
		alert(messages[50]);
		return false;
	}
	else if (!checkEmail(formElements["emailP"].value)) {
		alert(messages[51]);
		return false;
	}
	else if (!formElements["aceptoP"].checked) {
		alert(messages[52]);
		return false;
	}
	
	formElements["fechaP"].value = getFecha();
	
	return true;
}

function checkPedidoLibro2 (formName) {
	
	var formElements = document.forms[formName].elements;

	if (formElements["nombreP"].value == "" || formElements["nombreP"].value.length < 3) {
		alert(messages[43]);
		return false;
	}
	else if (formElements["apellido1P"].value == "" || formElements["apellido1P"].value.length < 3) {
		alert(messages[44]);
		return false;
	}
	else if (formElements["apellido2P"].value == "" || formElements["apellido2P"].value.length < 3) {
		alert(messages[45]);
		return false;
	}
	else if (formElements["empresaP"].value == "" || formElements["empresaP"].value.length < 3) {
		alert(messages[53]);
		return false;
	}
	else if (formElements["dnicifP"].value == "" || formElements["dnicifP"].value.length != 9) {
		alert(messages[54]);
		return false;
	}
	else if (formElements["direccionP"].value == "" || formElements["direccionP"].value.length < 3) {
		alert(messages[46]);
		return false;
	}
	else if (formElements["provinciaP"].value == "") {
		alert(messages[47]);
		return false;
	}
	else if (formElements["poblacionP"].value == "" || formElements["poblacionP"].value.length < 3) {
		alert(messages[55]);
		return false;
	}
	else if (formElements["codPostalP"].value.length != 5) {
		alert(messages[49]);
		return false;
	}
	else if (formElements["telefonoP"].value.length != 9) {
		alert(messages[50]);
		return false;
	}
	else if (!checkEmail(formElements["emailP"].value)) {
		alert(messages[51]);
		return false;
	}

	formElements["fechaP"].value = getFecha();
	
	return true;
}

function getFecha() {

	date = new Date();

	return date.getFullYear()+"-"+fillZeros(date.getMonth()+1)+"-"+fillZeros(date.getDate())+" "+fillZeros(date.getHours())+":"+fillZeros(date.getMinutes())+":"+fillZeros(date.getSeconds());
}

function fillZeros(number) {

	if (number < 10) {
		number = "0"+number;
	}

	return number;
}