function emailCheck (emailStr) {
	var email_checked;
	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) {
		//alert("Email address seems incorrect (check @ and .'s)");
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			//alert("Ths username contains invalid characters.");
			return false;
		}
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			//alert("Ths domain name contains invalid characters.");
			return false;
		}
	}
	if (user.match(userPat)==null) {
		//alert("The username doesn't seem to be valid.");
		return false;
	}
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				//alert("Destination IP address is invalid!");
				return false;
			}
		}
		email_checked = '1';
		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) {
			//alert("The domain name does not seem to be valid.");
			return false;
		}
	}
	if (checkTLD && domArr[domArr.length-1].length!=2 &&
	domArr[domArr.length-1].search(knownDomsPat)==-1) {
		//alert("The address must end in a well-known domain or two letter " + "country.");
		return false;
	}
	if (len<2) {
		//alert("This address is missing a hostname!");
		return false;
	}

	email_checked = '1';
	return true;
}

function subscribeRequest()
{
	var surname = document.getElementById('voornaam').value;
	var name	= document.getElementById('naam').value;
	var email	= document.getElementById('email').value;

	var validRequest = true;

	if(surname.length <2){
		validRequest = false;
		document.getElementById('lbl_voornaam').style.color = "#FF0000";
	}
	if(name.length <3){
		validRequest = false;
		document.getElementById('lbl_naam').style.color = "#FF0000";
	}
	if(!emailCheck(email)) {
		validRequest = false;
		document.getElementById('lbl_email').style.color = "#FF0000";
	}
	if(validRequest) {
		document.getElementById('send_request').value=1;
		document.getElementById('frm_newsletter_subscribe').submit();
	} else {
		document.getElementById('newsletter_error_div').innerHTML="Gelieve alle rood gemarkeerde velden correct in te vullen a.u.b.";
	}

}

function validateSubscribeForm() 
{
	document.getElementById('lbl_voornaam').style.color = "#000000";
	document.getElementById('lbl_naam').style.color = "#000000";
	document.getElementById('lbl_email').style.color = "#000000";
	
	
	var surname = document.getElementById('voornaam').value;
	var name	= document.getElementById('naam').value;
	var email	= document.getElementById('email').value;
	
	if(surname.length <2){
		validRequest = false;
		document.getElementById('lbl_voornaam').style.color = "#FF0000";
	}
	if(name.length <3){
		document.getElementById('lbl_naam').style.color = "#FF0000";
	}
	if(!emailCheck(email)) {
		document.getElementById('lbl_email').style.color = "#FF0000";
	}
}

function closePopup()
{
	document.getElementById('newsletter_popup_message').style.display="none";
}