function validateFields() {
	var posName = document.getElementById('my_name');
	var posEmail = document.getElementById('my_mail');
	var recName = document.getElementById('rec_name');
	var recEmail = document.getElementById('rec_mail');
	var posLang = document.getElementById('lang');
	var whiteSpace = /^[\s]+$/;
	
	if ( posName.value == '' || whiteSpace.test(posName.value) ) {
		if (posLang.value == 'de')
		{
			alert("Bitte geben Sie Ihren Namen an.");
		}
		else
		{
			alert("Please enter your name.");
		}
		posName.focus();
	}
	else if ( posEmail.value == '' || (posEmail.value.length < 6) || (posEmail.value.indexOf('@') < 1) || (posEmail.value.indexOf('.') == -1 )) {
		if (posLang.value == 'de')
		{
			alert("Bitte geben Sie Ihre gültige E-Mailadresse an");
		}
		else
		{
			alert("Please enter your valid email.");
		}
		posEmail.focus();
	}
	else if ( recName.value == '' || whiteSpace.test(recName.value) ) {
		if (posLang.value == 'de')
		{
			alert("Bitte geben Sie den Namen des Empfängers an.");
		}
		else
		{
			alert("Please enter the recipient's name.");
		}
		recName.focus();
	}
	else if ( recEmail.value == '' || (recEmail.value.length < 6) || (recEmail.value.indexOf('@') < 1) || (recEmail.value.indexOf('.') == -1 )) {
		if (posLang.value == 'de')
		{
			alert("Bitte geben Sie die gültige E-Mailadresse des Empfängers an");
		}
		else
		{
			alert("Please enter the recipient's email.");
		}
		recEmail.focus();
	}
	else {
		sendPosEmail();
	}
}

function sendPosEmail () {
	var success = document.getElementById('emailSuccess');
	var posName = document.getElementById('my_name');
	var posEmail = document.getElementById('my_mail');
	var recName = document.getElementById('rec_name');
	var recEmail = document.getElementById('rec_mail');
	var lang = document.getElementById('lang').value;
	var page = "scripts/xmlHttpRequest.php?xml=true&action=invite";
	
	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 = recName.value;
	str3 = str3.replace(/&/g,"**am**");
	str3 = str3.replace(/=/g,"**eq**");
	str3 = str3.replace(/\+/g,"**pl**");
	var str4 = recEmail.value;
	str4 = str4.replace(/&/g,"**am**");
	str4 = str4.replace(/=/g,"**eq**");
	str4 = str4.replace(/\+/g,"**pl**");
	
	var stuff = "lang="+lang+"&posName="+str1+"&posEmail="+str2+"&recName="+str3+"&recEmail="+str4;
	loadXMLPosDoc(page,stuff)
}

function revealModal(divID)
{
    document.getElementById(divID).style.display = "block";
    document.getElementById(divID).style.top = document.body.scrollTop;
}

function hideModal(divID)
{
    document.getElementById(divID).style.display = "none";
}

function showContactTimer () {
	
	revealModal('modalPage');
	var loader = document.getElementById('loadBar');
	loader.style.display = 'block';
	sentTimer = setTimeout("hideContactTimer()",6000);
}

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;
	// Hide the load bar alas! Done Loading
	loader.style.display = "none";
	success.style.display = "block";
	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 = '';
		}
	}
	setTimeout("hideModal('modalPage')",2000);
}

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

addEvent(window, 'load',ajaxContact, false);