// TOLO
	function validarForm(){
		var errores = new Array();
		f = document.mail;
		if(!f.nombre.value){
			errores.push('-Nombre');
		}
		
		if(!f.apellidos.value){
			errores.push('-Apellidos');
		}
		if(!f.direccion.value){
			errores.push('-Dirección');
		}
		if(!f.ciudad.value){
			errores.push('-Ciudad');
		}
		if(!f.cp.value){
			errores.push('-CP');
		}
		if(!f.provincia.value){
			errores.push('-Provincia');
		}
		
		if(!f.email.value){
			errores.push('-email');
		}
		if(!f.pwd1.value){
			errores.push('-Password');
		}
		if(!f.pwd2.value){
			errores.push('-Repetir Password');
		}
		if(f.empresa.value && !f.nif.value){
			errores.push('-NIF/CIF');
		}
		
		if(errores.length > 0){
			var msg='Rellenar los siguientes campos:\n';
			for (i=0; i<errores.length; i++){
				msg = msg + errores[i] + '\n';
			}

			alert(msg);
		}else{
			f.submit(); 

		}
	}
	
	function validarPwd(){
		var pwd1 = document.getElementById('pwd1');
		var pwd2 = document.getElementById('pwd2');
		
		if (pwd1.value != pwd2.value){
			pwd1.value = '';
			pwd2.value = '';
			pwd1.focus();
			alert('Los password no son iguales');
		}
	}
	
	function validarLong(e){
		if(e.value.length < 6){
			alert('La contreseña debe de tener como mínimo\n6 carácteres');
			e.value = '';
		}
	}
	/*
	function validarEmailxx(e){
	if (e.value.indexOf ('@', 0) == -1 || e.value.indexOf ('.',0) == -1 ) { 
    		alert("Escriba una dirección de correo válida en el campo e-mail."); 
    		e.value = '';
  		}
	}
	*/
	
	function soloNum(e){
		if (isNaN(e.value) ||e.value == "") {
			alert("Introducir sólo numeros en este campo");
			e.value='';
		}
	}
	
function emailCheck (e) {

var emailStr = e.value;
	
/* The following pattern is used to check if the entered e-mail address
   fits the user@domain format.  It also is used to separate the username
   from the domain. */
var emailPat=/^(.+)@(.+)$/
/* The following string represents the pattern for matching all special
   characters.  We don't want to allow special characters in the address. 
   These characters include ( ) < > @ , ; : \ " . [ ]    */
var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
/* The following string represents the range of characters allowed in a 
   username or domainname.  It really states which chars aren't allowed. */
var validChars="\[^\\s" + specialChars + "\]"
/* The following pattern applies if the "user" is a quoted string (in
   which case, there are no rules about which characters are allowed
   and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
   is a legal e-mail address. */
var quotedUser="(\"[^\"]*\")"
/* The following pattern applies for domains that are IP addresses,
   rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
   e-mail address. NOTE: The square brackets are required. */
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
/* The following string represents an atom (basically a series of
   non-special characters.) */
var atom=validChars + '+'
/* The following string represents one word in the typical username.
   For example, in john.doe@somewhere.com, john and doe are words.
   Basically, a word is either an atom or quoted string. */
var word="(" + atom + "|" + quotedUser + ")"
// The following pattern describes the structure of the user
var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
/* The following pattern describes the structure of a normal symbolic
   domain, as opposed to ipDomainPat, shown above. */
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")


/* Finally, let's start trying to figure out if the supplied address is
   valid. */

/* Begin with the coarse pattern to simply break up user@domain into
   different pieces that are easy to analyze. */
var matchArray=emailStr.match(emailPat)
if (matchArray==null) {
  /* Too many/few @'s or something; basically, this address doesn't
     even fit the general mould of a valid e-mail address. */
	alert("La entrada de e-mail parece ser incorrecta (chequee @ y .'s)")
	e.value = '';
	return false
	
}
var user=matchArray[1]
var domain=matchArray[2]

// See if "user" is valid 
if (user.match(userPat)==null) {
    // user is not valid
    alert("El nombre de usuario parace no ser correcto.")
    e.value = '';
    return false
    
}

/* if the e-mail address is at an IP address (as opposed to a symbolic
   host name) make sure the IP address is valid. */
var IPArray=domain.match(ipDomainPat)
if (IPArray!=null) {
    // this is an IP address
	  for (var i=1;i<=4;i++) {
	    if (IPArray[i]>255) {
	        alert("Direccion IP no valida!")
		return false
	    }
    }
    e.value = '';
    return true
   
}

// Domain is symbolic name
var domainArray=domain.match(domainPat)
if (domainArray==null) {
	alert("El nombre de dominio parace no ser correcto.")
	e.value = '';
    return false
    
}

/* domain name seems valid, but now make sure that it ends in a
   three-letter word (like com, edu, gov) or a two-letter word,
   representing country (uk, nl), and that there's a hostname preceding 
   the domain or country. */

/* Now we need to break up the domain to get a count of how many atoms
   it consists of. */
var atomPat=new RegExp(atom,"g")
var domArr=domain.match(atomPat)
var len=domArr.length
if (domArr[domArr.length-1].length<2 || 
    domArr[domArr.length-1].length>3) {
   // the address must end in a two letter or three letter word.
   alert("La direccion de correo debe acabar en 3 letras de dominio o 2 de un pais.")
   e.value = '';
   return false
   
}

// Make sure there's a host name preceding the domain.
if (len<2) {
   var errStr="Esta direccion es desconocida como IP!"
   alert(errStr)
   e.value = '';
   return false
   
}

// If we've gotten this far, everything's valid!
//alert('La direccion de e-mail introducida parace correcta. Gracias');
}