function checkForm() {
	jsObj = document.searchform.zoekterm;
	re = /\S{3,}/;

	if (!re.test(jsObj.value) || jsObj.value == 'zoekwoord...') { 
		alert('Geef tenminste 3 karakters op!');
		jsObj.focus();
		return false;
	}
	document.searchform.submit();
	return true;
}