function SetColor(img)
{
    var src = img.src;
    src = src.replace('.gif','_farge.gif');
    img.src = src;
}
function RemoveColor(img)
{
    var src = img.src;
    src = src.replace('_farge.gif','.gif');
    img.src = src;
}
function SetBackgroundDark(id)
{
    var div = document.getElementById("div" + id);
    if(div != null)
        div.style.backgroundImage = 'url(/App_Themes/Standard/gfx/selected_bg.gif)';
}
function SetBackgroundLight(id)
{
    var div = document.getElementById("div" + id);
    if(div != null)
        div.style.backgroundImage = 'none';
}