function btn1Flyover()
{
    document.getElementById('img1On').style.display = 'block'; 
    document.getElementById('img1Off').style.display = 'none'; 
    document.getElementById('img2On').style.display = 'none'; 
    document.getElementById('img2Off').style.display = 'block'; 
    document.getElementById('img3On').style.display = 'none';
    document.getElementById('img3Off').style.display = 'block';

    if (document.getElementById('img4On') && document.getElementById('img4Off'))
    {
        document.getElementById('img4On').style.display = 'none';
        document.getElementById('img4Off').style.display = 'block';
    }
}

function btn2Flyover()
{
    document.getElementById('img1On').style.display = 'none'; 
    document.getElementById('img1Off').style.display = 'block'; 
    document.getElementById('img2On').style.display = 'block'; 
    document.getElementById('img2Off').style.display = 'none'; 
    document.getElementById('img3On').style.display = 'none';
    document.getElementById('img3Off').style.display = 'block';

    if (document.getElementById('img4On') && document.getElementById('img4Off'))
    {
        document.getElementById('img4On').style.display = 'none';
        document.getElementById('img4Off').style.display = 'block';
    }
}

function btn3Flyover()
{
    document.getElementById('img1On').style.display = 'none'; 
    document.getElementById('img1Off').style.display = 'block'; 
    document.getElementById('img2On').style.display = 'none'; 
    document.getElementById('img2Off').style.display = 'block'; 
    document.getElementById('img3On').style.display = 'block';
    document.getElementById('img3Off').style.display = 'none';

    if (document.getElementById('img4On') && document.getElementById('img4Off'))
    {
        document.getElementById('img4On').style.display = 'none';
        document.getElementById('img4Off').style.display = 'block';
    }
}

function btn4Flyover()
{
    document.getElementById('img1On').style.display = 'none'; 
    document.getElementById('img1Off').style.display = 'block'; 
    document.getElementById('img2On').style.display = 'none'; 
    document.getElementById('img2Off').style.display = 'block'; 
    document.getElementById('img3On').style.display = 'none';
    document.getElementById('img3Off').style.display = 'block';

    if (document.getElementById('img4On') && document.getElementById('img4Off'))
    {
        document.getElementById('img4On').style.display = 'block';
        document.getElementById('img4Off').style.display = 'none';
    }
}

function resetButtonFlyovers()
{
    document.getElementById('img1On').style.display = 'none'; 
    document.getElementById('img1Off').style.display = 'block'; 
    document.getElementById('img2On').style.display = 'none'; 
    document.getElementById('img2Off').style.display = 'block'; 
    document.getElementById('img3On').style.display = 'none';
    document.getElementById('img3Off').style.display = 'block';

    if (document.getElementById('img4On') && document.getElementById('img4Off'))
    {
        document.getElementById('img4On').style.display = 'none';
        document.getElementById('img4Off').style.display = 'block';
    }
}

function startSearch()
{
    var strSearch = document.getElementById('txtSearch').value;

    if (strSearch.length > 0)
    {
        strSearch = strSearch.replace("'", "´");
        strSearch = strSearch.replace("&", "%26");
        strSearch = strSearch.replace("\"", "%22");
        strSearch = strSearch.replace(" ", "%20");
        strSearch = strSearch.replace("?", "%3F");

        window.location = "search.aspx?searchString=" + strSearch;
    }
}