function mfcs_OnChange(t)
{
    if (t.value == 0)
    {
        window.location = 'Default.aspx';
    }
    else
    {
        window.location = 'Producent.aspx?mfc=' + t.value;
    }
}

function prod_groups_OnChange(t)
{
    if (t.value == 0)
    {
        window.location = 'Default.aspx';
    }
    else
    {
        window.location = 'Katalog.aspx?cat=' + t.value;
    }
}

function PageNumberList_OnChange(t, l)
{
    window.location = l + '&page=' + t.value;
}

function mfc_filter_OnChange(mfc, l)
{
    var link = l;
    
    if (mfc.value != "")
    {
        link = link + '&mfc=' + mfc.value;
    }
    
    window.location = link;
}

function Image_OnClick(id, w, h)
{
    var wnd = window.open("Zdjecie.aspx?pid=" + id, "zoom", "width="+w+",height="+h+",location=no,resizeable=no,toolbar=no,status=no");
}