//var mspeed=100; //数字越大速度越慢
//var mtab=document.getElementById("mdemo");
//var mtab1=document.getElementById("mdemo1");
//var mtab2=document.getElementById("mdemo2");
//mtab2.innerHTML=mtab1.innerHTML; //克隆mdemo1为mdemo2
//function mMarquee(){
//if(mtab2.offsetTop-mtab.scrollTop<=0)//当滚动至mdemo1与mdemo2交界时
//mtab.scrollTop-=mtab1.offsetHeight //mdemo跳到最顶端
//else{
//mtab.scrollTop++
//}
//}
//var mMyMar=setInterval(mMarquee,mspeed);
//mtab.onmouseover=function() {clearInterval(mMyMar)};//鼠标移上时清除定时器达到滚动停止的目的
//mtab.onmouseout=function() {mMyMar=setInterval(mMarquee,mspeed)};//鼠标移开时重设定时





//加入收藏夹
function addBookmark()
{
     var description=document.title;
     if(window.sidebar) 
     { 
        window.sidebar.addPanel(description, window.location.href,""); 
     }
    else if( document.all )
     {
        window.external.AddFavorite(window.location.href, description);
     } 
    else if( window.opera && window.print )
     {
        return true;
     }
}






//设为首页
function setHomepage()
{
 if (document.all)
    {
        document.body.style.behavior='url(#default#homepage)';
        document.body.setHomePage(window.location);
 
    }
    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,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',window.location);
    }
}