JS: 

<script type="text/javascript" language="javascript">
 //加入收藏夹
function addFavorites(sURL, sTitle){  
    if (document.all){  
        try{  
            window.external.addFavorite(sURL,sTitle);  
        }catch(e){  
            alert( "加入收藏失败，请使用Ctrl+D进行添加！" );  
        }  
          
    }else if (window.sidebar){  
        window.sidebar.addPanel(sTitle, sURL, "");  
     }else{  
        alert( "加入收藏失败，请使用Ctrl+D进行添加！" );  
    }  
} 
//设为主页
function setHomepage(vrl){  
    if (document.all){
        document.body.style.behavior = 'url(#default#homepage)';
        document.body.setHomePage(vrl);  
    }else if (window.sidebar){  
        if(window.netscape){  
            try{  
                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");  
            }catch (e){  
                alert( "该操作被浏览器拒绝，如果想启用该功能，请在地址栏内输入“about:config”，\n然后将项 signed.applets.codebase_principal_support 值该为true" );  
            }  
        }  
        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components. interfaces.nsIPrefBranch);  
        prefs.setCharPref('browser.startup.homepage',vrl);  
    }else{  
        alert('您的浏览器不支持自动自动设置首页，\n请使用浏览器菜单手动设置！');  
    }
}
</script>

引用： 

<a style="CURSOR:pointer;" href="javascript:void(0);" target="_self" onclick="javascript:addFavorites('/','收藏到收藏夹')" title="收藏到收藏夹">收藏本站</a>
    | <a style="CURSOR:pointer;" href="javascript:void(0);"target="_self" onclick="javascript:setHomepage('/')" title="设为主页">设为主页</a></p>