function validarDNI(valor) {
	var dni = /^([0-9]{8,8}[a-zA-Z])$/;
	
	if (! dni.test(valor)) return false;
	
	var letras = 'T,R,W,A,G,M,Y,F,P,D,X,B,N,J,Z,S,Q,V,H,L,C,K,E,T'.split(',');
	var pos = valor.substr(0,valor.length-1) % 23
	var letra = valor.substr(valor.length-1,valor.length);
	if (letra.toUpperCase() == letras[pos]) 
		return true;
		
	return false;
}
function validarNIE(valor) {
	var nie = /^([xyzXYZ][0-9]{7,7}[a-zA-Z])$/;
	
	if (! nie.test(valor)) return false;
	
	var letras = 'T,R,W,A,G,M,Y,F,P,D,X,B,N,J,Z,S,Q,V,H,L,C,K,E,T'.split(',');
	
	var inicial = valor.substr(0, 1).toUpperCase();
	
	if (inicial == 'X')
		valor = '0' + valor.substr(1);
	if (inicial == 'Y')
		valor = '1' + valor.substr(1);
	if (inicial == 'Z')
		valor = '2' + valor.substr(1);
	
	var pos = valor.substr(0, valor.length-1) % 23;
	var letra = valor.substr(valor.length-1, 1);
	
	if (letra.toUpperCase() == letras[pos]) {
		return true;
	}
	return false;
}
function validarCIF(texto){
	var pares = 0;
	var impares = 0;
	var suma;
	var ultima;
	var unumero;
	var uletra = new Array("J", "A", "B", "C", "D", "E", "F", "G", "H", "I");
	var xxx;
	texto = texto.toUpperCase();
	var regular = new RegExp(/^[ABCDEFGHJKLMNPRQSUVWabcdefghjklmnprqsuvw]\d\d\d\d\d\d\d[0-9,A-J]$/g);
	
	if (!regular.exec(texto)) return false;
	ultima = texto.substr(8,1);
	for (var cont = 1 ; cont < 7 ; cont ++){
		xxx = (2 * parseInt(texto.substr(cont++,1))).toString() + "0";
		impares += parseInt(xxx.substr(0,1)) + parseInt(xxx.substr(1,1));
		pares += parseInt(texto.substr(cont,1));
	}
	xxx = (2 * parseInt(texto.substr(cont,1))).toString() + "0";
	impares += parseInt(xxx.substr(0,1)) + parseInt(xxx.substr(1,1));
	
	suma = (pares + impares).toString();
	unumero = parseInt(suma.substr(suma.length - 1, 1));
	unumero = (10 - unumero).toString();
	if(unumero == 10) unumero = 0;
	
	if ((ultima == unumero) || (ultima == uletra[unumero]))
		return true;
	else
		return false;
}
function validarDOC(valor) {
	var dni = /^([0-9]{8,8}[a-zA-Z])$/;
	var cif = /^([ABCDEFGHJKLMNPQSabcdefghjklmnpqs][0-9]{7,7}[0-9A-J])$/;
	var nie = /^([xyzXYZ][0-9]{7,7}[a-zA-Z])$/;

	if(cif.test(valor))
		return validarCIF(valor);
	else if(nie.test(valor))
		return validarNIE(valor);
	else if(dni.test(valor))
		return validarDNI(valor);

	return false;
}

function validarTipoFichero (valor, formatos) {
	var formatoValido = false;
	
	if ((formatos == null) || (formatos == ""))
		formatos = "DOC|DOCX|PDF|RTF|TXT";
	aFormatos = formatos.split("|");

	var extension = valor.substr(valor.lastIndexOf(".")+1);
	extension = extension.toUpperCase();

	var q = 0;
	while ((formatoValido == false) && (q < aFormatos.length)) {
		if (aFormatos[q] == extension)
			formatoValido = true;
		q++;
	}
	return formatoValido;
}


jQuery.validator.addMethod("TFN", function(phone_number, element) {
	phone_number = phone_number.replace(/\s+/g, ""); 
	return this.optional(element) || phone_number.length > 8 &&
	phone_number.match(/^[6789]{1}[0-9]{8}$/);
});
	
jQuery.validator.addMethod("CP", function(value, element) {
	return this.optional(element) || /^[0-9]{5}$/.test(value);
});

jQuery.validator.addMethod("DOC", function(value, element) {
	return this.optional(element) || validarDOC(value);
});
jQuery.validator.addMethod("CLAVE", function(clave, element) {
	return this.optional(element) || clave.length >= 6 && clave.match(/^[\S]+$/);
});
jQuery.validator.addMethod("FILE", function(value, element) {
	return this.optional(element) || validarTipoFichero(value,null);
});

jQuery.validator.messages.required = "";
jQuery.validator.messages.email = "";
jQuery.validator.messages.number = "";
jQuery.validator.messages.equalTo = "";

jQuery.validator.messages.TFN = "";
jQuery.validator.messages.CP = "";
jQuery.validator.messages.DOC = "";
jQuery.validator.messages.CLAVE = "";
jQuery.validator.messages.FILE = "";
jQuery.validator.messages.date = "";

jQuery.validator.defaults.errorClass = "error";
jQuery.validator.messages.errorAlert='';
jQuery.validator.messages.noLoginAlert='';