// JavaScript Document

function check() {
var items = new Array("naam","leeftijd","email","telefoon","woonplaats","land");
for(var i=0; i<items.length; i++) {
	var field = items[i];
		document.getElementById(field).style.backgroundColor = '#D2FFDE';
	if(document.getElementById(field).value == '' || document.getElementById(field).value == '-1') {		
		document.getElementById(field).style.backgroundColor = '#FF8282';
		var err = 1;
		}
}
if(err == 1) { return false; }
}