function valLog (emailFld,Idioma) {
	emailStr=emailFld.value;
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);
	if (matchArray==null) {
		if (emailStr=="") {
			return true;
		} else {
			if(Idioma=='Ingles'){
				alert("Error in e-mail: Not a valid email");
			}else{
				alert("Error: Email no válido");
			}
			return false;
		}
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			if(Idioma=='Ingles'){
				alert("Error: Not valid characters");
			}else{
				alert("Error: Caracter no válido");
			}
			return false;
		}
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			if(Idioma=='Ingles'){
				alert("Error in e-mail: Not valid characters");
			}else{
				alert("Error: Caracteres no válidos");
			}
			return false;
		}
	}
	if (user.match(userPat)==null) {
		if(Idioma=='Ingles'){
			alert("Error: Not a valid username");
		}else{
			alert("Error:Nombre de usuario no válido");
		}
		return false;
	}
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				if(Idioma=='Ingles'){
					alert("Error: Not a valid IP address");
				}else{
					alert("Error: IP no válida");
				}
				return false;
			}
		}
		return true;
	}
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
			if(Idioma=='Ingles'){
				alert("Error: Not a valid domain");
			}else{
				alert("Error: Dominio no válido");
			}
			return false;
		 }
	}
	if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1) {
		if(Idioma=='Ingles'){
			alert("Error in e-mail: Not a valid domain");
		}else{
			alert("Error: Final de dominio desconocido");
		}
		return false;

	}
	if (len<2) {
		if(Idioma=='Ingles'){
			alert("Error: Not a valid domain");
		}else{
			alert("Error: Dominio no encontrado");
		}
		return false;
	}
	return true;
}


function sel(vform){
		vform.action='res.php';
		vform.submit();
}

function busc(){
		frmIndex.action='res.php';
		frmIndex.submit();
}