//添加至收藏夹
var addBookmark = function(title,url) {
	if (window.sidebar) { 
		window.sidebar.addPanel(title, url,""); 
	} else if( document.all ) {
		window.external.AddFavorite(url, title);
	} else if( window.opera && window.print ) {
		return true;
	}
}

//拷贝地址
var copyToClipboard = function(txt) {
	var msg = "复制成功";
    if(window.clipboardData) {
        window.clipboardData.clearData();
        window.clipboardData.setData("Text", txt);
        alert(msg);
    } else if(navigator.userAgent.indexOf("Opera") != -1) {
         window.location = txt;
         alert(msg);
    } else if (window.netscape) {
         try {
              netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
         } catch (e) {
              alert("被浏览器拒绝！\n请在浏览器地址栏输入'about:config'并回车\n然后将'signed.applets.codebase_principal_support'设置为'true'");
         }
         var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);
         if (!clip)
              return;
         var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);
         if (!trans)
              return;
         trans.addDataFlavor('text/unicode');
         var str = new Object();
         var len = new Object();
         var str = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);
         var copytext = txt;
         str.data = copytext;
         trans.setTransferData("text/unicode",str,copytext.length*2);
         var clipid = Components.interfaces.nsIClipboard;
         if (!clip)
              return false;
         clip.setData(trans,null,clipid.kGlobalClipboard);
         alert(msg);
    }
}