function validateFields() {
var frmEl = document.getElementById('cForm');
var posName = document.getElementById('posName');
var posEmail = document.getElementById('posEmail');
var posRegard = document.getElementById('posRegard');
var posText = document.getElementById('posText');
var whiteSpace = /^[\s]+$/;
var emailvalido = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/;

	if ( posName.value == '' || whiteSpace.test(posName.value) ) {
		erroNome();
		success.style.display = "none";
		posName.focus();
	}	else if ( posEmail.value == '' || whiteSpace.test(posEmail.value) ) {
		ocultaErros();
		erroEmail();
		posEmail.focus();
	}	else if ( emailvalido.test(posEmail.value) == false) {
		ocultaErros();
		erroEmailPadrao();
		posEmail.focus();
	}	else if ( posRegard.value == '' || whiteSpace.test(posRegard.value) ) {
		ocultaErros();
		erroTitulo();
		posRegard.focus();
	}	else if ( posText.value == '' || whiteSpace.test(posText.value) ) {
		ocultaErros();
		erroMensagem();
		posText.focus();
	}	
	else {
		ocultaErros();
		sendPosEmail();
	}
}
function sendPosEmail () {
	var success = document.getElementById('emailSuccess');
	var posName = document.getElementById('posName');
	var posEmail = document.getElementById('posEmail');
	var posRegard = document.getElementById('posRegard');
	var posText = document.getElementById('posText');
	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(/&/g,"**am**");
	str1 = str1.replace(/=/g,"**eq**");
	str1 = str1.replace(/\+/g,"**pl**");
	var str2 = posEmail.value;
	str2 = str2.replace(/&/g,"**am**");
	str2 = str2.replace(/=/g,"**eq**");
	str2 = str2.replace(/\+/g,"**pl**");
	var str3 = posRegard.value;
	str3 = str3.replace(/&/g,"**am**");
	str3 = str3.replace(/=/g,"**eq**");
	str3 = str3.replace(/\+/g,"**pl**");
	var str4 = posText.value;
	str4 = str4.replace(/&/g,"**am**");
	str4 = str4.replace(/=/g,"**eq**");
	str4 = str4.replace(/\+/g,"**pl**");
	
	var stuff = "posName="+str1+"&posEmail="+str2+"&posRegard="+str3+"&posText="+str4;
	loadXMLPosDoc(page,stuff)
}
function showContactTimer () {
	var loader = document.getElementById('loadBar');
	loader.style.display = 'block';
	sentTimer = setTimeout("hideContactTimer()",6000);
}
function exibeStatus () {
	var success = document.getElementById('emailSuccess');
	success.style.display = 'block';
	sentTimer = setTimeout("ocultaStatus()",6000);
}
function ocultaStatus () {
	var success = document.getElementById('emailSuccess');
	success.style.display = 'none';
}
function hideContactTimer () {
	var loader = document.getElementById('loadBar');
	var success = document.getElementById('emailSuccess');
	var fieldArea = document.getElementById('contactFormArea');
	var inputs = fieldArea.getElementsByTagName('input');
	var inputsLen = inputs.length;
	var tAreas = fieldArea.getElementsByTagName('textarea');
	var tAreasLen = tAreas.length;
	// Hide the load bar alas! Done Loading
	loader.style.display = "none";
	exibeStatus();
	success.innerHTML = '<strong">'+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 = '';
	}
}

function erroNome () {
	var error = document.getElementById('erroNome');
	error.style.display = 'block';
}
function erroEmail () {
	var error = document.getElementById('erroEmail');
	error.style.display = 'block';
}
function erroEmailPadrao () {
	var error = document.getElementById('erroEmailPadrao');
	error.style.display = 'block';
}
function erroTitulo () {
	var error = document.getElementById('erroTitulo');
	error.style.display = 'block';
}
function erroMensagem () {
	var error = document.getElementById('erroMensagem');
	error.style.display = 'block';
}
function ocultaErros () {
	var error = document.getElementById('erroNome');
	var error1 = document.getElementById('erroEmail');
	var error2 = document.getElementById('erroEmailPadrao');
	var error3 = document.getElementById('erroTitulo');
	var error4 = document.getElementById('erroMensagem');
	error.style.display = 'none';
	error1.style.display = 'none';
	error2.style.display = 'none';
	error3.style.display = 'none';
	error4.style.display = 'none';	
}


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