// javascript voor mouseover imagewissels
function wissel_nav(num,state) {
		wissel_navPict = eval('document.but'+num)
		if (state) wissel_navPict.src = navigatie[(num*2 + 1)].src
		else       wissel_navPict.src = navigatie[(num*2    )].src
	}

function checkForm() {
	f = document.forms[0];
	if ( f.naam.value == "" ) {
		alert("Vul asljeblieft je naam in");
		f.naam.focus();
		return false;
	}
	if ( f.email.value == "" ) {
		alert("Vul asljeblieft je email-adres in");
		f.email.focus();
		return false;
	}
}

function openWin(pag) {
	raam = window.open(pag, "Cathys", "width=600,height=480,scrollbars=yes");
	raam.focus();
}