var ico_wnd = null;

function popup(URL, w, h)
{
    if ( !w ) w = 500;
    if ( !h ) h = 500;

    ico_wnd = window.open(URL, 'icon_wnd', 'width='+w+',height='+h+',scrollbars=yes,resizable=yes,status=yes,location=no,toolbar=yes,menubar=no');
    ico_wnd.opener = self;
    ico_wnd.focus();
}