将页面地址添加收收藏夹

function  addFavou(){
var curURL=document.location.href;
if (window.sidebar) {
window.sidebar.addPanel(document.title, curURL,"");
} else if( document.all ) {
window.external.AddFavorite(curURL, document.title);
} else if( window.opera && window.print ) {
return true;
}
}