//设置当前页面为用户的首页
function setHomepage()
{
document.body.style.behavior='url(#default#homepage)';
document.body.setHomePage(window.location.href);
event.returnValue=false;
return;
}
//加入收藏
function addFavorite()
{
window.external.addFavorite(window.location.href,document.title);
}