function deka_submit(what) {
	what.disabled = true;
	what.form.submit();
}

function deka_logout(what) {
	if(confirm('Weet je zeker dat je wilt uitloggen?')) {
		what.disabled = true;
		what.form.submit();
	}
}

function deka_confirm(what, message) {
	if(confirm(message)) {
		what.disabled = true;
		what.form.submit();
	}
}

function deka_enabledisable (naamSubmit, naamCheck) {
	if(document.getElementById(naamCheck).checked == true)
		document.getElementById(naamSubmit).disabled = false;
	else
		document.getElementById(naamSubmit).disabled = true;
}