function validarNewsletters(lang){
	ocultar_msjs_error();
	error = false;
	var nombre = $.trim( $('#nombre').val() ) || '';
	var email = $.trim( $('#email').val() ) || '';
	
	if( nombre =='' ){
		mostrar_msj_error('nombre_label');
		error = true;
	}

	var emailcheck1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; 
	var emailcheck2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/;
	if( ( emailcheck1.test(email) || !emailcheck2.test(email) ) ){
		mostrar_msj_error('email_label');
		error = true;
	}
	
	if( error == false ){
		document.forms[1].submit();	
	}
	
	if( error == false ){
		var resultado = $.ajax({
		  type: "POST",
		  url: 'newsletters_grabar.php',
		  data: 'lang='+lang+'&nombre='+escape(nombre)+'&email='+escape(email),
		  async: false
		}).responseText;
		if( $.trim(resultado) == '1' ){
			//$('#newsletters_alertar_ok').show();
			location.href = 'newsletters_confirmar.php?lang='+lang;
		}else if($.trim(resultado) == 'existe=1'){
			$('#newsletters_alertar_existe').show();
		}else if($.trim(resultado) == 'email=1'){
			mostrar_msj_error('email_label');
		}else if($.trim(resultado) == 'nombre=1'){
			mostrar_msj_error('nombre_label');
		}
		
	}
	

}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


function mostrar_msj_error(obj_id){
	$('#'+obj_id).show(); 
}
function ocultar_msj_error(obj_id){
	$('#'+obj_id).hide(); 
}
function ocultar_msjs_error(){
	$('.label_mensajes_errores').hide(); 
}
// PER CONVERTIR LA SORTIDA DEL FORMULARI A UTF8 EN JAVASCRIPT
var Utf8 = {
 
	// public method for url encoding
	encode : function (string) {
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";
 
		for (var n = 0; n < string.length; n++) {
 
			var c = string.charCodeAt(n);
 
			if (c < 128) {
				utftext += String.fromCharCode(c);
			}
			else if((c > 127) && (c < 2048)) {
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			}
			else {
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}
 
		}
 
		return utftext;
	},
 
	// public method for url decoding
	decode : function (utftext) {
		var string = "";
		var i = 0;
		var c = c1 = c2 = 0;
 
		while ( i < utftext.length ) {
 
			c = utftext.charCodeAt(i);
 
			if (c < 128) {
				string += String.fromCharCode(c);
				i++;
			}
			else if((c > 191) && (c < 224)) {
				c2 = utftext.charCodeAt(i+1);
				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
				i += 2;
			}
			else {
				c2 = utftext.charCodeAt(i+1);
				c3 = utftext.charCodeAt(i+2);
				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
				i += 3;
			}
 
		}
 
		return string;
	}
 
}
// FUNCIONS DE NEWSLETTERSOFT EN
	function CheckMultiple2(frm, name) {
		for (var i=0; i < frm.length; i++)
		{
			fldObj = frm.elements[i];
			fldId = fldObj.id;
			if (fldId) {
				var fieldnamecheck=fldObj.id.indexOf(name);
				if (fieldnamecheck != -1) {
					if (fldObj.checked) {
						return true;
					}
				}
			}
		}
		return false;
	}
function CheckForm2(f) {
var emailcheck1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; 
var emailcheck2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/;
if( ( emailcheck1.test(f.email.value) || !emailcheck2.test(f.email.value) ) ){
		alert("Please write a correct email");
		f.email.focus();
		return false;
	}

	var fname = "CustomFields_1_2";
	var fld = document.getElementById(fname);
	if (fld.value == "") {
		alert("Fill in field name, please");
		fld.focus();
		return false;
	}
	fld.value=Utf8.encode(fld.value);
	return true;
	};
// ES
function CheckMultiple1(frm, name) {
	for (var i=0; i < frm.length; i++)
	{
		fldObj = frm.elements[i];
		fldId = fldObj.id;
		if (fldId) {
			var fieldnamecheck=fldObj.id.indexOf(name);
			if (fieldnamecheck != -1) {
				if (fldObj.checked) {
					return true;
				}
			}
		}
	}
	return false;
}
function CheckForm1(f) {
var emailcheck1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; 
var emailcheck2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/;
if( ( emailcheck1.test(f.email.value) || !emailcheck2.test(f.email.value) ) ){
	alert("Por favor escriba un email correcto");
	f.email.focus();
	return false;
}

var fname = "CustomFields_1_1";
var fld = document.getElementById(fname);
if (fld.value == "") {
	alert("Por favor escriba el nombre");
	fld.focus();
	return false;
}
	fld.value=Utf8.encode(fld.value);
	return true;
};