function map_popup(formdiv_id,container_id,bg_div_id)
{
    var bgdiv = document.getElementById(bg_div_id);
    bgdiv.style.display="block";

    var formdiv = document.getElementById(formdiv_id);
    formdiv.style.display="block";

    var pt = window.center({width:820,height:700});

    formdiv.style.top = pt.y + "px";
    formdiv.style.left = pt.x + "px";
    
    var containerdiv = document.getElementById(container_id);
    if(containerdiv && containerdiv.SavedInnerHTML)
    {
        containerdiv.innerHTML = containerdiv.SavedInnerHTML;
    }

}

function map_hide(formdiv_id,bg_div_id)
{
    var formdiv = document.getElementById(formdiv_id);
    formdiv.style.display="none";

    var bgdiv = document.getElementById(bg_div_id);
    bgdiv.style.display="none";
}