//设为首页
function setHomepage()
{
    if (document.all)
    {
        document.body.style.behavior='url(#default#homepage)';
        document.body.setHomePage('http://www.tphy.com.cn');
    }
    else if (window.sidebar)
    {
        if(window.netscape)
        {
            try
            {
                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
            }
            catch(e)
            {
                alert("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://www.tphy.com.cn');
    }
}
//添加收藏
function JSAddFavorite() 
{ 
    //判断IE,all只能IE才有的特殊属性,只要IE不为null则当前为IE
    if (document.all) 
    { 
        window.external.addFavorite('http://www.tphy.com.cn','北京天鹏恒宇科技发展有限公司'); 

    } 
    else if (window.sidebar) //是Firefox特有的属性
    { 
        window.sidebar.addPanel('www.tphy.com.cn', 'www.tphy.com.cn', ""); 
    } 
}