function mailnaar(naam, domein, tekst) {
	tekst=(typeof(tekst)=="undefined") ? naam+"@"+domein : tekst;
	document.write("<a href='mailto:" + naam + "@" + domein + "'>" + tekst + "</a>");
}

function testMail(email) {
	var regEmail = /^([\w-]+\.?)*\w+@([\da-zA-z-]+\.)+[a-zA-z]{2,4}$/
	return regEmail.test(email);
}
function eekhoornSchuiven(){
	window.open("/jeugd/spellen/eekhoorn.html", "new_window", "width=500, height=600, menubar=no, location=no, status=no, directories=no, toolbar=no, scrollbars=no, resizable=yes");
	return false;
}
function vogelGeluiden(){
	window.open("/jeugd/quiz/vogels/vogels.html", "new_window", "width=700, height=400, menubar=no, location=no, status=no, directories=no, toolbar=no, scrollbars=no, resizable=yes");
	return false;
}
function kikkerGeluiden(){
	window.open("/jeugd/quiz/kikkers/kikkers.html", "new_window", "width=700, height=400, menubar=no, location=no, status=no, directories=yes, toolbar=no, scrollbars=no, resizable=yes");
	return false;
}
function spoorZoeken(){
	window.open("/jeugd/quiz/sporen/sporen.html", "new_window", "width=540, height=340, menubar=no, location=no, status=no, directories=no, toolbar=no, scrollbars=no, resizable=yes");
	return false;
}
function frieseNamen(){
	window.open("/jeugd/quiz/fries/frysk.html", "new_window", "width=540, height=340, menubar=no, location=no, status=no, directories=no, toolbar=no, scrollbars=no, resizable=yes");
	return false;
}
function naarRebus(){
	window.open("/jeugd/spellen/rebus.html", "new_window", "width=750, height=550, menubar=0, location=0, status=0, directories=1, toolbar=0, scrollbars=0, resizable=yes");
	return false;
}
function nachtSpel(){
	window.open("/jeugd/spellen/nachtspl/nachtspl.html", "new_window", "width=800, height=550, menubar=0, location=0, status=0, directories=1, toolbar=0, scrollbars=0, resizable=yes");
	return false;
}
function wieBijWie(){
	window.open("/jeugd/spellen/wiebywie/wiebywie.html", "new_window", "width=540, height=440, menubar=no, location=no, status=no, directories=no, toolbar=no, scrollbars=no, resizable=yes");
	return false;
}