function fSetStyleFocus(x) {
	document.getElementById(x).style.background = "#ffffff";
}

function fSetStyleBlur(x) {
	document.getElementById(x).style.background = "#ecf2f8";
}

function fContactValidate() {
	var bOk = false;
	var contactID = document.getElementById("contact");
	
	if (contactID.sCompany.value == "") {
		alert('Vul uw bedrijfsnaam in');
		contactID.sCompany.focus();
	}
	else if (contactID.sName.value == "") {
		alert('Vul uw naam in');
		contactID.sLastname.focus();
	}
	else if(contactID.sContactreason.value == "#") {
			alert('Geef de reden voor uw contactaanvraag op');
			contactID.sContactreason.focus();
	}
	else if(contactID.sEmail.value == "") {
			alert('Vul uw e-mail adres in');
			contactID.sEmail.focus();
	}
	else if(contactID.sRemarks.value == "") {
			alert('Vul het berichtveld in');
			contactID.sRemarks.focus();
	}
	else if(contactID.sEmail.value != "") {
		if(fCheckEmail(contactID.sEmail.value) == false) {
			alert('U heeft geen geldig e-mail adres ingevuld');
			contactID.sEmail.focus();
		} else {
			bOk = true;
		}
	}
	else {
		bOk = true;
	}
	return bOk;
}

function fCheckEmail(sName) {
	var bAtFound = false;
	var bOK = false;

	for (var i = 0; i < sName.length; i++) {
		if(sName.substring(i, i + 1) == '@') {
			if (i > 1) {
				x = i;
				bAtFound = true;
			}
		}
	}
	if (bAtFound) {
		for (var i = x; i < sName.length; i++) {
			if(sName.substring(i, i + 1) == '.') {
				var iNumberOfChars = i - x - 1;
				if (iNumberOfChars > 1) {
					var sAfterDot = sName.substring(i + 1);
					var iLength = sAfterDot.length;
					if ((iLength > 1) && (iLength < 5)) {
						bOK = true;
					}
				}
			}
		}
	}
	return bOK;
};

function fCheckRadio(sName) {
	var rb = document.getElementsByName(sName);
	var bFlag = false;
	for (var i = 0; i < rb.length; i++) {
		if (rb[i].checked) {
			bFlag = true;
		}
	}
	return bFlag;
}

function fExternalLinks() {
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") &&
		anchor.getAttribute("rel") == "external")
		anchor.target = "_blank";
	}
}

window.onload = fExternalLinks;