function writeMailAddress(weergave){
	var links = "ivo";
	var verbinding = String.fromCharCode(8*8);
	var rechts = "zandhuis.nl";
	var compleet = links + verbinding + rechts;
	var args = writeMailAddress.arguments.length;
	var weergaveTxt;
	if(args == 0){
		weergaveTxt = compleet;
	} else {
		weergaveTxt = weergave;
	}
	document.write('<a href="mailto:' + compleet + '">' + weergaveTxt + '</a>');
}