// <![CDATA[
function raw_popup(url, target, features) {
    // pops up a window containing url optionally named target, optionally having features
    if (isUndefined(features)) features = Win_Params;
    if (isUndefined(target  )) target   = '_blank';
    var theWindow = window.open(url, target, features);
    theWindow.focus();
    return theWindow;
}
function link_popup(src, features) {return raw_popup(src.getAttribute('href'), src.getAttribute('target') || '_blank', features);}
function isUndefined(v) {var undef;return v===undef;}

// ]]>