function land(ref, target)
{
lowtarget=target.toLowerCase();
if (lowtarget=="_self") {window.location=loc;}
else {if (lowtarget=="_top") {top.location=loc;}
else {if (lowtarget=="_blank") {window.open(loc);}
else {if (lowtarget=="_parent") {parent.location=loc;}
else {parent.frames[target].location=loc;};
}}}
}
function jump(menu)
{
ref=menu.choice.options[menu.choice.selectedIndex].value;
splitc=ref.lastIndexOf("*");
target="";
if (splitc!=-1)
{loc=ref.substring(0,splitc);
target=ref.substring(splitc+1,1000);}
else {loc=ref; target="_self";};
if (ref != "") {land(loc,target);}
}
function submit_form() {
document.nieuwsbrief.submit();
document.nieuwsbrief.reset(); 
}

function checkVote()
{
	if(document.getElementById('Vote').value == 0)
	{
		alert('Kies een waardering tussen 1 (slecht) en 10 (uitstekend)!\n');
		document.getElementById('Vote').focus();
		return false;
	}
}