function validateFields() {
var frmEl = document.getElementById('contacto');
var posName = document.getElementById('nombre');
var posEmail = document.getElementById('email');
var posRegard = document.getElementById('asunto');
var posText = document.getElementById('propuesta');
var posPhone = document.getElementById('telefono');
var posCompany = document.getElementById('company');
var posLocalidad = document.getElementById('localidad');
var posAcceso = document.getElementById('acceso');
var whiteSpace = /^[\s]+$/;
var filter=/^[A-Za-z][A-Za-z0-9_.]*@[A-Za-z0-9_]+\.[A-Za-z0-9_.]+[A-za-z]$/;
var filter2=/[0-9][ ]*/;
var error=false;

document.getElementById('emailSuccess').style.display='none';

if (posName.value.length==0 || !validateFieldContent(posName.value)){
       /*alert("Por favor, complete correctamente el campo Nombre.");*/
	  error=true;
	  document.getElementById('label_nombre').style.color='red';
    }
else
	 document.getElementById('label_nombre').style.color='#222222';
 //company
 /*else if (posCompany.value.length==0 || !validateFieldContent(posCompany.value)) {
 	alert("Por favor, complete correctamente el campo Compañía/Institución.");
    	posCompany.focus();
 }*/
 //localidad
if (posLocalidad.value.length==0 || !validateFieldContent(posLocalidad.value)) {
    	/*alert("Por favor, complete correctamente el campo Localidad.");*/
		error=true;
		document.getElementById('label_localidad').style.color="red";
 }
 else	
 	document.getElementById('label_localidad').style.color="#222222";

 //validating email address
if (posEmail.value.length==0 || !filter.test(posEmail.value) || !validateFieldContent(posEmail.value)) {
  	/*alert("Por favor, introduzca una dirección de E-mail correcta.");*/
	document.getElementById('label_email').style.color="red";
 }
 else
	document.getElementById('label_email').style.color="#222222";
 	
 //phone
if (posPhone.value.length==0 || !filter2.test(posPhone.value)) {
    	/*alert("Por favor, complete el campo Teléfono.");*/
	document.getElementById('label_telefono').style.color="red";
	error=true;
 }
 else
 	document.getElementById('label_telefono').style.color="#222222";

 //posAcceso
if (posAcceso.value=='nada') {
  	/*alert("Por favor, seleccione una opción en el campo Cómo nos encontró.");*/
	document.getElementById('label_acceso').style.color="red";
	error=true;
 }
 else
 	document.getElementById('label_acceso').style.color="#222222";

 //regard
 if ( posRegard.value.length==0 || !validateFieldContent(posRegard.value)) {
 	/*alert("Por favor, complete correctamente el campo Asunto.");*/
 	document.getElementById('label_asunto').style.color="red";
	error=true;
 }
 else
 	 document.getElementById('label_asunto').style.color="#222222";

if ( posText.value == '' || whiteSpace.test(posText.value) || !validateFieldContent(posText.value)) 
 {
 	/*alert("Por favor, rellene el cuerpo del mensaje.");*/
	document.getElementById('label_propuesta').style.color="red";
	error=true;
 }
 else
	document.getElementById('label_propuesta').style.color="#222222";
 
 if (!error) {
 	document.getElementById('error_msg').style.display='none';
	sendPosEmail();
 }
 else
  	document.getElementById('error_msg').style.display='block';

 	
}

function validateFieldContent (content) {
	
	var str = content;
	var end=false;
	lista=new Array("Content-Type:","MIME-Version:","Content-Transfer-Encoding:","Return-path:","Subject:","From:","Envelope-to:",
					"To:","bcc:","cc:");
	var cont=0;
	while (!end && cont<lista.length) {
		if (str.indexOf(lista[cont])!=-1) {
			end=true;
		}
		cont++;
	}
	
	return !end;
}

function validate(form) {
    //name
    if (form.nombre.value.length==0){
       alert("Por favor, complete el campo Nombre.");
       form.nombre.focus();
       return false;
    }
    //company
    /*if (form.company.value.length==0) {
    	alert("Por favor, complete el campo Compañía/Institución.");
    	form.company.focus();
    	return false;
    }*/
    //localidad
        if (form.localidad.value.length==0) {
        	alert("Por favor, complete el campo Localidad.");
        	form.localidad.focus();
        	return false;
    }
    //email
    if (form.email.value.length==0) {
    	alert("Por favor, complete el campo E-mail.");
    	form.email.focus();
    	return false;
    }
    //validating email address
    var filter=/^[A-Za-z][A-Za-z0-9_.]*@[A-Za-z0-9_]+\.[A-Za-z0-9_.]+[A-za-z]$/;
    if (!filter.test(form.email.value)) {
    	alert("Por favor, introduzca una dirección de E-mail correcta.");
    	form.email.focus();
    	return false;
    }
    //phone
    if (form.telefono.value.length==0) {
    	alert("Por favor, complete el campo Teléfono.");
    	form.telefono.focus();
    	return false;
    }
    //acceso
    if (form.acceso.value=='nada') {
    	alert("Por favor, seleccione una opción en el campo Cómo nos encontró.");
    	form.acceso.focus();
    	return false;
    }
    filter=/[0-9][ ]*/;
    if (!filter.test(form.telefono.value)) {
    	alert("Por favor, introduzca un número de teléfono correcto.");
    	form.telefono.focus();
    	return false;
    }
    
    //el formulario se envia
} 

function sendPosEmail () {
	var success = document.getElementById('emailSuccess');
	var posName = document.getElementById('nombre');
	var posEmail = document.getElementById('email');
	var posRegard = document.getElementById('asunto');
	var posText = document.getElementById('propuesta');
	var posPhone = document.getElementById('telefono');
	var posCompany = document.getElementById('company');
	var posLocalidad = document.getElementById('localidad');
	var posAcceso = document.getElementById('acceso');
	var page = "scripts/xmlHttpRequest.php?contact=true&xml=true";
	
	showContactTimer(); // quickly begin the load bar
	success.style.display = 'none'; // hide the success bar (incase this is a multi-email
	
	// convert (&, +, =) to string equivs. Needed so URL encoded POST won't choke.
	var str1 = posName.value;
	str1 = str1.replace(/á/g,"&aacute;");
	str1 = str1.replace(/é/g,"&eacute;");
	str1 = str1.replace(/í/g,"&iacute;");
	str1 = str1.replace(/ó/g,"&oacute;");
	str1 = str1.replace(/ú/g,"&uacute;");
	str1 = str1.replace(/ü/g,"&uuml;");
	str1 = str1.replace(/ñ/g,"&ntilde;");
	str1 = str1.replace(/Á/g,"&Aacute;");
	str1 = str1.replace(/É/g,"&Eacute;");
	str1 = str1.replace(/Í/g,"&Iacute;");
	str1 = str1.replace(/Ó/g,"&Oacute;");
	str1 = str1.replace(/Ú/g,"&Uacute;");
	str1 = str1.replace(/Ü/g,"&Uuml;");
	str1 = str1.replace(/Ñ/g,"&Ntilde;");
	str1 = str1.replace(/¡/g,"&iexcl;");
	str1 = str1.replace(/¿/g,"&iquest;");
	str1 = str1.replace(/ç/g,"&ccedil;");
	str1 = str1.replace(/Ç/g,"&Ccedil;");
	str1 = str1.replace(/&/g,"**am**");
	str1 = str1.replace(/=/g,"**eq**");
	str1 = str1.replace(/\+/g,"**pl**");
	var str2 = posEmail.value;
	str2 = str2.replace(/á/g,"&aacute;");
	str2 = str2.replace(/é/g,"&eacute;");
	str2 = str2.replace(/í/g,"&iacute;");
	str2 = str2.replace(/ó/g,"&oacute;");
	str2 = str2.replace(/ú/g,"&uacute;");
	str2 = str2.replace(/ü/g,"&uuml;");
	str2 = str2.replace(/ñ/g,"&ntilde;");
	str2 = str2.replace(/Á/g,"&Aacute;");
	str2 = str2.replace(/É/g,"&Eacute;");
	str2 = str2.replace(/Í/g,"&Iacute;");
	str2 = str2.replace(/Ó/g,"&Oacute;");
	str2 = str2.replace(/Ú/g,"&Uacute;");
	str2 = str2.replace(/Ü/g,"&Uuml;");
	str2 = str2.replace(/Ñ/g,"&Ntilde;");
	str2 = str2.replace(/¡/g,"&iexcl;");
	str2 = str2.replace(/¿/g,"&iquest;");
	str2 = str2.replace(/ç/g,"&ccedil;");
	str2 = str2.replace(/Ç/g,"&Ccedil;");
	str2 = str2.replace(/&/g,"**am**");
	str2 = str2.replace(/=/g,"**eq**");
	str2 = str2.replace(/\+/g,"**pl**");
	var str3 = posRegard.value;
	str3 = str3.replace(/á/g,"&aacute;");
	str3 = str3.replace(/é/g,"&eacute;");
	str3 = str3.replace(/í/g,"&iacute;");
	str3 = str3.replace(/ó/g,"&oacute;");
	str3 = str3.replace(/ú/g,"&uacute;");
	str3 = str3.replace(/ü/g,"&uuml;");
	str3 = str3.replace(/ñ/g,"&ntilde;");
	str3 = str3.replace(/Á/g,"&Aacute;");
	str3 = str3.replace(/É/g,"&Eacute;");
	str3 = str3.replace(/Í/g,"&Iacute;");
	str3 = str3.replace(/Ó/g,"&Oacute;");
	str3 = str3.replace(/Ú/g,"&Uacute;");
	str3 = str3.replace(/Ü/g,"&Uuml;");
	str3 = str3.replace(/Ñ/g,"&Ntilde;");
	str3 = str3.replace(/¡/g,"&iexcl;");
	str3 = str3.replace(/¿/g,"&iquest;");
	str3 = str3.replace(/ç/g,"&ccedil;");
	str3 = str3.replace(/Ç/g,"&Ccedil;");
	str3 = str3.replace(/&/g,"**am**");
	str3 = str3.replace(/=/g,"**eq**");
	str3 = str3.replace(/\+/g,"**pl**");
	var str4 = posText.value;
	str4 = str4.replace(/á/g,"&aacute;");
	str4 = str4.replace(/é/g,"&eacute;");
	str4 = str4.replace(/í/g,"&iacute;");
	str4 = str4.replace(/ó/g,"&oacute;");
	str4 = str4.replace(/ú/g,"&uacute;");
	str4 = str4.replace(/ü/g,"&uuml;");
	str4 = str4.replace(/ñ/g,"&ntilde;");
	str4 = str4.replace(/Á/g,"&Aacute;");
	str4 = str4.replace(/É/g,"&Eacute;");
	str4 = str4.replace(/Í/g,"&Iacute;");
	str4 = str4.replace(/Ó/g,"&Oacute;");
	str4 = str4.replace(/Ú/g,"&Uacute;");
	str4 = str4.replace(/Ü/g,"&Uuml;");
	str4 = str4.replace(/Ñ/g,"&Ntilde;");
	str4 = str4.replace(/¡/g,"&iexcl;");
	str4 = str4.replace(/¿/g,"&iquest;");
	str4 = str4.replace(/ç/g,"&ccedil;");
	str4 = str4.replace(/Ç/g,"&Ccedil;");
	str4 = str4.replace(/&/g,"**am**");
	str4 = str4.replace(/=/g,"**eq**");
	str4 = str4.replace(/\+/g,"**pl**");
	var str5 = posPhone.value;
	str5 = str5.replace(/\+/g,"00");
	var str6 = posCompany.value;
	str6 = str6.replace(/á/g,"&aacute;");
	str6 = str6.replace(/é/g,"&eacute;");
	str6 = str6.replace(/í/g,"&iacute;");
	str6 = str6.replace(/ó/g,"&oacute;");
	str6 = str6.replace(/ú/g,"&uacute;");
	str6 = str6.replace(/ü/g,"&uuml;");
	str6 = str6.replace(/ñ/g,"&ntilde;");
	str6 = str6.replace(/Á/g,"&Aacute;");
	str6 = str6.replace(/É/g,"&Eacute;");
	str6 = str6.replace(/Í/g,"&Iacute;");
	str6 = str6.replace(/Ó/g,"&Oacute;");
	str6 = str6.replace(/Ú/g,"&Uacute;");
	str6 = str6.replace(/Ü/g,"&Uuml;");
	str6 = str6.replace(/Ñ/g,"&Ntilde;");
	str6 = str6.replace(/¡/g,"&iexcl;");
	str6 = str6.replace(/¿/g,"&iquest;");
	str6 = str6.replace(/ç/g,"&ccedil;");
	str6 = str6.replace(/Ç/g,"&Ccedil;");
	str6 = str6.replace(/&/g,"**am**");
	str6 = str6.replace(/=/g,"**eq**");
	str6 = str6.replace(/\+/g,"**pl**");
	
	var str7 = posLocalidad.value;
	str7 = str7.replace(/á/g,"&aacute;");
	str7 = str7.replace(/é/g,"&eacute;");
	str7 = str7.replace(/í/g,"&iacute;");
	str7 = str7.replace(/ó/g,"&oacute;");
	str7 = str7.replace(/ú/g,"&uacute;");
	str7 = str7.replace(/ü/g,"&uuml;");
	str7 = str7.replace(/ñ/g,"&ntilde;");
	str7 = str7.replace(/Á/g,"&Aacute;");
	str7 = str7.replace(/É/g,"&Eacute;");
	str7 = str7.replace(/Í/g,"&Iacute;");
	str7 = str7.replace(/Ó/g,"&Oacute;");
	str7 = str7.replace(/Ú/g,"&Uacute;");
	str7 = str7.replace(/Ü/g,"&Uuml;");
	str7 = str7.replace(/Ñ/g,"&Ntilde;");
	str7 = str7.replace(/¡/g,"&iexcl;");
	str7 = str7.replace(/¿/g,"&iquest;");
	str7 = str7.replace(/ç/g,"&ccedil;");
	str7 = str7.replace(/Ç/g,"&Ccedil;");
	str7 = str7.replace(/&/g,"**am**");
	str7 = str7.replace(/=/g,"**eq**");
	str7 = str7.replace(/\+/g,"**pl**");
	
	
	var index = posAcceso.selectedIndex;
	var str8 = posAcceso.options[index].text;
	str8 = str8.replace(/á/g,"&aacute;");
	str8 = str8.replace(/é/g,"&eacute;");
	str8 = str8.replace(/í/g,"&iacute;");
	str8 = str8.replace(/ó/g,"&oacute;");
	str8 = str8.replace(/ú/g,"&uacute;");
	str8 = str8.replace(/ü/g,"&uuml;");
	str8 = str8.replace(/ñ/g,"&ntilde;");
	str8 = str8.replace(/Á/g,"&Aacute;");
	str8 = str8.replace(/É/g,"&Eacute;");
	str8 = str8.replace(/Í/g,"&Iacute;");
	str8 = str8.replace(/Ó/g,"&Oacute;");
	str8 = str8.replace(/Ú/g,"&Uacute;");
	str8 = str8.replace(/Ü/g,"&Uuml;");
	str8 = str8.replace(/Ñ/g,"&Ntilde;");
	str8 = str8.replace(/¡/g,"&iexcl;");
	str8 = str8.replace(/¿/g,"&iquest;");
	str8 = str8.replace(/ç/g,"&ccedil;");
	str8 = str8.replace(/Ç/g,"&Ccedil;");
	str8 = str8.replace(/&/g,"**am**");
	str8 = str8.replace(/=/g,"**eq**");
	str8 = str8.replace(/\+/g,"**pl**");
		
	
	var stuff = "&posName="+str1+"&posEmail="+str2+"&posRegard="+str3+"&posText="+str4+"&posPhone="+str5+"&posCompany="+str6+"&posLocalidad="+str7+"&posAcceso="+str8;
	loadXMLPosDoc(page,stuff)
}
function showContactTimer () {
	var loader = document.getElementById('loadBar');
	var success = document.getElementById('emailSuccess');
	success.style.display = 'none';
	loader.style.display = 'block';
	var button = document.getElementById('enviarMail');
	button.style.display = 'none';
	sentTimer = setTimeout("hideContactTimer()",6000);
}

function hideSuccess () {
	var success = document.getElementById('emailSuccess');
	if (success.style.display != "none")
		success.style.display = "none";
}

function hideContactTimer () {
	var loader = document.getElementById('loadBar');
	var button = document.getElementById('enviarMail');
	var success = document.getElementById('emailSuccess');
	var fieldArea = document.getElementById('contacto');
	var inputs = document.getElementsByTagName('input');
	var inputsLen = inputs.length;
	var tAreas = fieldArea.getElementsByTagName('textarea');
	var tAreasLen = tAreas.length;
	var sAcceso = document.getElementById('acceso');
	// Hide the load bar alas! Done Loading
	loader.style.display = "none";
	button.style.display = "block";
	success.style.display = "block";
	success.innerHTML = '<strong style="color:#114488;">'+grabPosXML("confirmation")+'</strong>';
	// Now Hijack the form elements
	for ( i=0;i<inputsLen;i++ ) {
		if ( inputs[i].getAttribute('type') == 'text' ) {
			inputs[i].value = '';
		}
	}
	for ( j=0;j<tAreasLen;j++ ) {
		tAreas[j].value = '';
	}
	sAcceso.value='';
}

function ajaxContact() {
var frmEl = document.getElementById('contacto');
addEvent(frmEl, 'submit', validateFields, false);
frmEl.onsubmit = function() { return false; }
}
addEvent(window, 'load',ajaxContact, false);