function CheckAll()
{
	count = document.frm.elements.length;
	for (i=1; i < count; i++) {
		if( document.frm.elements[i].checked == 0 ) {
			var blaat = true;
		}
	}
	if( blaat == true ) {
		for (i=0; i < count; i++) {
			document.frm.elements[i].checked = 1;
		}
	} else {
		for (i=0; i < count; i++) {
			document.frm.elements[i].checked = 0;
		}
	}
}

function CheckAll2()
{
	count = document.frm.elements.length;
	for (i=2; i < count; i++) {
		if( document.frm.elements[i].className == "vink" && document.frm.elements[i].checked == 0 ) {
			var blaat = true;
		}
	}
	if( blaat == true ) {
		for (i=0; i < count; i++) {
			if( document.frm.elements[i].className == "vink" ) {
				document.frm.elements[i].checked = 1;
			}
		}
	} else {
		for (i=0; i < count; i++) {
			if( document.frm.elements[i].className == "vink" ) {
				document.frm.elements[i].checked = 0;
			}
		}
	}
}

function zetVeld( veld )
{
	Veld = veld;
}

function Invoegen( Waarde )
{
	if(document.selection) {
		Veld.focus();
		Selectie = document.selection.createRange();
		Selectie.text = Waarde;
	}
	else if (Veld.selectionStart || Veld.selectionStart == '0') {
		var Begin = Veld.value.substring(0,Veld.selectionStart);
		var Einde = Veld.value.substring(Veld.selectionEnd,Veld.value.length);;
		Veld.value = Begin + Waarde + Einde;
		Veld.focus();
		Veld.selectionStart = Veld.selectionEnd = (Begin.length + Waarde.length);
	}
	else {
		Veld.value += Waarde;
	}
}

function anderveldje( veld )
{
	if(veld.selectedIndex == 7) {
		document.getElementById("anders").style.display = "inline";
	} else {
		document.getElementById("anders").style.display = "none";
	}
}

function showList()
{
	document.getElementById("show").style.display = "none";
	document.getElementById("hide").style.display = "block";
	document.getElementById("lijst").style.display = "block";
}

function hideList()
{
	document.getElementById("show").style.display = "block";
	document.getElementById("hide").style.display = "none";
	document.getElementById("lijst").style.display = "none";
}

function setFocus()
{
	document.getElementById("antwoord").focus();
}

function showHideResult( element )
{
	if( document.getElementById(element).style.display == "none" ) {
		document.getElementById(element).style.display = "block";
	} else {
		document.getElementById(element).style.display = "none";
	}
}