//WIJZIG TEKST VAN NEWSLETTER

function changeNewsLetterTitle() {
	
	var newsLetterUrl = document.getElementById('newsLetterTxt').href;
	var newsLetterText = document.getElementById('newsLetterTxt').innerHTML;
	
	// Bepaal nieuwe url en tekst. laat leeg indien url en/of tekst ongewijzigd moeten blijven
	var newsLetterNewUrl = "";
	var newsLetterNewText = "";
	
	if ((newsLetterNewUrl == "" || newsLetterNewUrl == null) && (newsLetterNewText == "" || newsLetterNewText == null)){
		document.getElementById('newsLetterTxt').href = newsLetterUrl;
		document.getElementById('newsLetterImg').href = newsLetterUrl;
		document.getElementById('newsLetterTxt').innerHTML = newsLetterText;
	}
	else if ((newsLetterNewUrl == "" || newsLetterNewUrl == null) && (newsLetterNewText != "" || newsLetterNewText != null)){
		document.getElementById('newsLetterTxt').href = newsLetterUrl;
		document.getElementById('newsLetterImg').href = newsLetterUrl;
		document.getElementById('newsLetterTxt').innerHTML = newsLetterNewText;
	}
	else if ((newsLetterNewUrl != "" || newsLetterNewUrl != null) && (newsLetterNewText == "" || newsLetterNewText == null)){
		document.getElementById('newsLetterTxt').href = newsLetterNewUrl;
		document.getElementById('newsLetterImg').href = newsLetterNewUrl;
		document.getElementById('newsLetterTxt').innerHTML = newsLetterText;
	}
	else {
		document.getElementById('newsLetterTxt').href = newsLetterNewUrl;
		document.getElementById('newsLetterImg').href = newsLetterNewUrl;
		document.getElementById('newsLetterTxt').innerHTML = newsLetterNewText;
	}
}