function setHomepageAndDownload() {
    if (document.all) {
        document.body.style.behavior = 'url(#default#homepage)';
        document.body.setHomePage('http://no.msn.com/');
    }
    else if (window.sidebar) {
        if (window.netscape) {
            alert("Sett MSN som din startside:\n\n1. Velg \"Verktøy\" og \"Innstillinger\"\n2. I feltet \"Adresse\" skriver du http://no.msn.com/\n3. Klikk \"OK\"");
            /*
                try {
                    netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
                }
                catch (e) {
                    alert(e);
                    // "this action was aviod by your browser，if you want to enable，please enter about:config in your address line,and change the value of signed.applets.codebase_principal_support to true"
                }
            */
        }
        /*
        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
        prefs.setCharPref('browser.startup.homepage', 'http://no.msn.com/');
        */
    }

    aWidth = screen.width - 100;
    aHeight = screen.height - 120;

    var s = s_gi('msnportalnospecial');
    s.tl(this, 'd', 'PDF Boken om Windows 7');
    
    document.location.href = 'http://spesial.msn.no/windows7/pdf/Win7MSN.pdf';
    //window.open('http://spesial.msn.no/windows7/pdf/Win7MSN.pdf', 'chapter1', 'location=no,address=no,width=' + aWidth + ',height=' + aHeight + ',top=25,screenX=25,left=25,screenY=25');
}