function Lesezeichen(URL){

  if (window.sidebar)
    {
    // firefox
    window.sidebar.addPanel(document.title,URL, "");
    }
  else if(window.opera && window.print)
    {
    // opera
    var elem = document.createElement('a');
    elem.setAttribute('href',URL);
    elem.setAttribute('title',document.title);
    elem.setAttribute('rel','sidebar');
    elem.click();
    }
  else if(document.all)
    {
    // ie
    window.external.AddFavorite(URL,document.title);
    }
}
function aa(){
if (clipboardData.setData("text",document.location.href))
{alert("成功复制路径，您可以使用ctrl+v发送给其他人!")}
else
{alert("复制失败!请使用ctrl+c手动复制路径！")}
}