if (document.images)
    {
    var img1 = new Image();
    img1.src = "/images/products1.jpg";
    var img2 = new Image();
    img2.src = "/images/products2.jpg";
    var img3 = new Image();
    img3.src = "/images/products3.jpg";
    var img4 = new Image();
    img4.src = "/images/products4.jpg";
    }

// products & services code

function changeCategory(num, page, title)
    {
    if (document.images && document.anchors)
        {
        var urlString = "/Page.aspx?pageId=";
        document.getElementById('aMoreLink').setAttribute('href', urlString + page);
        document.getElementById('aMoreLink').lastChild.data = title
        document.getElementById('aGoLink').setAttribute('href', urlString + page);
        document.getElementById('divProductImage').style.backgroundImage = 'url(\'' + eval('img' + num + '.src') + '\')';
        }
    }