var W3CDOM = (document.createElement && document.getElementsByTagName);

var mouseOvers = new Array();
var mouseOuts = new Array();

/*
Preload images and set event handlers for mouse events.
*/
function init(textscroll) {
    if (!W3CDOM) return;

    if (textscroll) {
        //window.location = "http://www.schimanski.nl/under_construction.php";
        //return;
        startscroll();
    }

    var nav = document.getElementById('menu');
    var imgs = nav.getElementsByTagName('img');

    for (var i = 0; i < imgs.length; i++) {
        if (imgs[i].id != 'current') {
            imgs[i].onmouseover = mouseGoesOver;
            imgs[i].onmouseout = mouseGoesOut;
            var suffix = imgs[i].src.substring(imgs[i].src.lastIndexOf('.'));
            mouseOuts[i] = new Image();
            mouseOuts[i].src = imgs[i].src;
            mouseOvers[i] = new Image();
            mouseOvers[i].src = imgs[i].src.substring(0, imgs[i].src.lastIndexOf('.')) + "1" + suffix;
            imgs[i].number = i;
        }
    }
}

function mouseGoesOver() {
    this.src = mouseOvers[this.number].src;
}

function mouseGoesOut() {
    this.src = mouseOuts[this.number].src;
}