// Benodigde javascript voor kalender en voor onchange veranderen van de input apparaten
var cal1 = new calendar1(document.forms['advancedsearch'].elements['opdag']);
cal1.year_scroll = true;
cal1.time_comp = false;

var cal2 = new calendar1(document.forms['advancedsearch'].elements['vandatum']);
cal2.year_scroll = true;
cal2.time_comp = false;

var cal3 = new calendar1(document.forms['advancedsearch'].elements['totdatum']);
cal2.year_scroll = true;
cal2.time_comp = false;

// Tabbladen
function asOff() {
    document.getElementById('simple').style.display='block';
    document.getElementById('advanced').style.display='none';
    return true;
}

function asOn() {
    document.getElementById('simple').style.display='none';
    document.getElementById('advanced').style.display='block';
    return true;
}