/* popup created by Simon, 25/05/2005 */
var popw;
var urlset;
function popwin(url, name, w, h, features, dflt) {
    var setfeatures;
    setfeatures = 'width = '+w+',height = '+h;
    if(dflt != 1) {
        if (!w) { w = 680 }
        if (!h) { h = 500 }
        var centerwidth = (screen.width/2)-(w/2);
        var centerheight = ((screen.height/2)-(h/2)-38);

        setfeatures = 'width = '+w+',height = '+h;
        setfeatures += ',top = ' + centerheight;
        setfeatures += ',left = ' + centerwidth;
    }
    else setfeatures += ',top = 50, left = 50, location=no, menubar=no, status=yes, toolbar=no, scrollbars=yes, resizable=yes';

    if (!window.popw || popw.closed) {
        popw = window.open(url, name, setfeatures+','+features);
        popw.focus();
    }
    else {
        if (urlset != url) popw.location = url;
        popw.focus();
    }
    urlset = url;
}