function nonumeros(cadena) {
var numeros="0123456789";
for (var i=0;i<cadena.length;i++) {
	if (numeros.indexOf(cadena.substring(i,i+1))!=-1)
     {return false;}
	}
return true;
}

function oktfo(cadena) {
var numeros="0123456789";
for (var i=0;i<cadena.length;i++) {
	if ((numeros.indexOf(cadena.substring(i,i+1))==-1) || (cadena.length!=9))
	{return false;}
	}
return true;
}

function solonumero(cadena) {
var numeros="0123456789";
for (var i=0;i<cadena.length;i++) {
	if (numeros.indexOf(cadena.substring(i,i+1))==-1)
	{return false;}
	}
return true;
}
function novacio(cadena) {
if (cadena.length==0)
{return true;}
else 
{return false;}
}


function email(cadena) {
var i;
i=cadena.indexOf('@');
if (i!=-1) {
	if (cadena.indexOf('.',i)!=-1) 
	{return true;}
}
return false;
}
function validarc(e)
{
 if (novacio(e.cant.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 >El campo cantidad es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
	document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
if (!solonumero(e.cant.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 >El campo cantidad es sólo numérico, mayor que cero</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
}

function validarnc(e) {
if (novacio(e.nom.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");
	document.write("<font face=verdana size=1 >El campo Nombre es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
	document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
if (novacio(e.ape.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");
	document.write("<font face=verdana size=1 >El campo Apellidos es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
if (novacio(e.tfo.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");
	document.write("<font face=verdana size=1 >El campo Tfo es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}	
if (!oktfo(e.tfo.value)) {
    document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");	
	document.write("<font face=verdana size=1 >Campo telefono incorrecto</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}		
		
if (novacio(e.direcc.value)) {
	document.write("<html>");
	document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");
	document.write("<font face=verdana size=1 >El campo Dirección es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}

if (novacio(e.cp.value))
  {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");
	document.write("<font face=verdana size=1 >El campo Código Postal es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
if (!solonumero(e.cp.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");	
	document.write("<font face=verdana size=1 >El campo Código Postal es solo numérico</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
	
if (novacio(e.pob.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");
	document.write("<font face=verdana size=1 >El campo Población es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
	
if (novacio(e.prov.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");
	document.write("<font face=verdana size=1 >El campo Provincia es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
	
}		


function validar(e) {
if (novacio(e.nombre.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");
	document.write("<font face=verdana size=1 >El campo Nombre es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
	document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
if (novacio(e.ape.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");
	document.write("<font face=verdana size=1 >El campo Apellidos es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
if (novacio(e.direc.value)) {
	document.write("<html>");
	document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");
	document.write("<font face=verdana size=1 >El campo Dirección es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
if (novacio(e.num.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");
	document.write("<font face=verdana size=1 >El campo Número es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
if (novacio(e.pob.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");
	document.write("<font face=verdana size=1 >El campo Población es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
if (novacio(e.prov.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");
	document.write("<font face=verdana size=1 >El campo Provincia es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
if (novacio(e.cp.value))
  {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");
	document.write("<font face=verdana size=1 >El campo Código Postal es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
if (!solonumero(e.cp.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");	
	document.write("<font face=verdana size=1 >El campo Código Postal es solo numérico</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
if (novacio(e.tfo.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");
	document.write("<font face=verdana size=1 >El campo Tfo es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}		
if (!oktfo(e.tfo.value)) {
    document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");	
	document.write("<font face=verdana size=1 >Campo telefono incorrecto</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
if (novacio(e.tfo.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");
	document.write("<font face=verdana size=1 >El campo Email es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}				
if (!email(e.email.value))
   {
    document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");	
	document.write("<font face=verdana size=1 >Campo email incorrecto</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}

if (novacio(e.usu.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");	
	document.write("<font face=verdana size=1 >El campo Usuario es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}		
if (novacio(e.contra.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");	
	document.write("<font face=verdana size=1 >El campo Contraseña es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false; 
	}							
	if (novacio(e.contra2.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");	
	document.write("<font face=verdana size=1 >El campo Confirmación de Contraseña es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false; 
	}				
}
function validarm(e) {
if (novacio(e.nombre.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");	
	document.write("<font face=verdana size=1 >El campo Nombre es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
	document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
    }	
	if (novacio(e.direc.value)) {
	document.write("<html>");
	document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");	
	document.write("<font face=verdana size=1 >El campo Dirección es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
if (novacio(e.ape.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");	
	document.write("<font face=verdana size=1 >El campo Apellidos es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}

if (novacio(e.pob.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");	
	document.write("<font face=verdana size=1 >El campo Población es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
if (novacio(e.prov.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");	
	document.write("<font face=verdana size=1 >El campo Provincia es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}

if (novacio(e.tfo.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");
	document.write("<font face=verdana size=1 >El campo Email es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}				
			
if (!email(e.email.value))
   {
    document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");	
	document.write("<font face=verdana size=1 >Campo email incorrecto</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
	
if (novacio(e.cp.value))
  {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");	
	document.write("<font face=verdana size=1 >El campo Código Postal es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
if (!solonumero(e.cp.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");	
	document.write("<font face=verdana size=1 >El campo Código Postal es solo numérico</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}
if (novacio(e.tfo.value)) {
	document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");
	document.write("<font face=verdana size=1 >El campo Tfo es obligatorio</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}		
if (!oktfo(e.tfo.value)) {
    document.write("<html>");
    document.write("<body bgcolor=#FFFFFF text=#000000 link=#0000FF>");
	document.write("<center><br><br><br>");
	document.write("<font face=verdana size=1 color=#FF0000>ERROR</font><hr size=1>");	
	document.write("<font face=verdana size=1 >Campo telefono incorrecto</font><br>");
	document.write("<font face=verdana size=1 ><a href='javascript:window.history.back()'>Volver</a></font>");
    document.write("</center>");
	document.write("</body>");
	document.write("</html>");
	return false;
	}	
}

