function mostrarPestana(value)
{
	switch (value)
	{
		case "persona":
			document.getElementById('persona').style.display="block";
			document.getElementById('empresa').style.display="none";
			break;
		case "empresa":
			document.getElementById('persona').style.display="none";
			document.getElementById('empresa').style.display="block";
			break;
	}
}

//funcion que copia el contenido...
function copiar()
{
	document.myform.paymasterName.value=document.myform.studentName.value
	document.myform.paymasterSurname1.value=document.myform.studentSurname1.value
	document.myform.paymasterSurname2.value=document.myform.studentSurname2.value
	document.myform.paymasterDni.value=document.myform.studentDni.value
	document.myform.paymasterAddress.value=document.myform.studentAddress.value
	document.myform.paymasterCity.value=document.myform.studentCity.value
	document.myform.paymasterProvince.value=document.myform.studentProvince.value
	document.myform.paymasterZipc.value=document.myform.studentZipc.value
	document.myform.paymasterCountry.value=document.myform.studentCountry.value
	document.myform.paymasterPhone.value=document.myform.studentPhone.value
	document.myform.paymasterEmail.value=document.myform.studentEmail.value
}