【www.gdgbn.com--php常用代码】

function setHomePage(url){
    if (window.sidebar)
    {
        try {
           netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
        }
        catch (e)
        { 
           alert("此操作被浏览器拒绝！n请在浏览器地址栏输入“about:config”并回车n然后将[signed.applets.codebase_principal_support]设置为"true"");
        }
        var prefs = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefBranch);
            prefs.setCharPref("browser.startup.homepage",url);

    }
}

本文来源：http://www.gdgbn.com/jiaocheng/20759/