function SetHome(obj, vrl) {
    try {
        obj.style.behavior = 'url(#default#homepage)';
        obj.setHomePage('http://www.pansou.com/');
    } catch(e) {
        if (window.netscape) {
            try {
                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
            } catch(e) {
                alert("此操作被浏览器拒绝设为首页！\n请按照以下2种方法重新设为首页：\n1.请重新点击，弹出对话框选择“是”。\n2.请在浏览器地址栏输入“about:config”并回车，然后将 [signed.applets.codebase_principal_support]的值设置为'true',双击即可。");
            }
            var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
            prefs.setCharPref('browser.startup.homepage', 'http://www.pansou.com/');
        }
    }
}