function OpenGallery() {
    $("#GalleryWindow").css("display", "block");
    $("#ModalOverlay").css("display", "block");
    if (!galleryLoaded) {
        $.ajax({
            type: "POST",
            url: "PhotoGallery.aspx",
            cache: false,
            data: {},
            success: function(msg) {
                $("#GalleryBody").html(msg);
                galleryLoaded = true;
            },
            error: function(XMLHttpRequest, textStatus, errorThrown) { alert(errorThrown); }
        });
    }   
}

function CloseGallery() {
    $("#GalleryWindow").css("display", "none");
    $("#ModalOverlay").css("display", "none");    
}

function ShowImage(src, desc) {
    $("#GalleryImage img").attr("src", src);
    $("#GalleryImage .Description").html(desc);
}