var theSelectedMenu = '';
var theOnImages = new Array();
var theOffImages = new Array();

theOnImages[0] = new Image(42,21);
theOnImages[0].src = "images/menu_home_on.jpg";
theOnImages[1] = new Image(80,21);
theOnImages[1].src = "images/menu_nachtwezens_on.jpg";
theOnImages[2] = new Image(50,24);
theOnImages[2].src = "images/menu_agenda_on.jpg";
theOnImages[3] = new Image(50,21);
theOnImages[3].src = "images/menu_nieuws_on.jpg";
theOnImages[4] = new Image(50,21);
theOnImages[4].src = "images/menu_contact_on.jpg";
theOnImages[5] = new Image(38,23);
theOnImages[5].src = "images/menu_links_on.jpg";

theOffImages[0] = new Image(42,21);
theOffImages[0].src = "images/menu_home_off.jpg";
theOffImages[1] = new Image(80,21);
theOffImages[1].src = "images/menu_nachtwezens_off.jpg";
theOffImages[2] = new Image(50,24);
theOffImages[2].src = "images/menu_agenda_off.jpg";
theOffImages[3] = new Image(50,21);
theOffImages[3].src = "images/menu_nieuws_off.jpg";
theOffImages[4] = new Image(50,21);
theOffImages[4].src = "images/menu_contact_off.jpg";
theOffImages[5] = new Image(38,23);
theOffImages[5].src = "images/menu_links_off.jpg";

function turnOn(anImage, aNumber)
{
    document[anImage].src = theOnImages[aNumber].src;
    return true;
}

function turnOff(anImage, aNumber)
{
    document[anImage].src = theOffImages[aNumber].src;
    return true;    
}