// home page javascript

window.onload = function() {
    var thumbs = $$('a.thumbnail');

    for ( var i = 0; i < thumbs.length; i++ ) {

        var pic = new Image();
        pic.src = '/image-icons/' + thumbs[i].down('img').identify() + '-hover.jpg';

        thumbs[i].onmouseover =
            function() {
                this.down('img').src = '/image-icons/' + this.down('img').identify() + '-hover.jpg';
        }
        thumbs[i].onmouseout  =
            function() {
                this.down('img').src = '/image-icons/' + this.down('img').identify() + '.jpg';
        }
    }

}