function Clock() {
	var date = new Date();
	this.year = date.getFullYear();
	this.month = date.getMonth() + 1;
	this.date = date.getDate();
	this.day = new Array("星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六")[date.getDay()];
	this.hour = date.getHours() < 10 ? "0" + date.getHours() : date.getHours();
	this.minute = date.getMinutes() < 10 ? "0" + date.getMinutes() : date.getMinutes();
	this.second = date.getSeconds() < 10 ? "0" + date.getSeconds() : date.getSeconds();

	this.toString = function() {
		return "现在是:" + this.year + "年" + this.month + "月" + this.date + "日 " + this.hour + ":" + this.minute + ":" + this.second + " " + this.day; 
	};
	
	this.toSimpleDate = function() {
		return this.year + "-" + this.month + "-" + this.date;
	};
	
	this.toDetailDate = function() {
		return this.year + "-" + this.month + "-" + this.date + " " + this.hour + ":" + this.minute + ":" + this.second;
	};
	
	this.display = function(ele) {
		var clock = new Clock();
		ele.innerHTML = clock.toString();
		window.setTimeout(function() {clock.display(ele);}, 1000);
	};
}

//加为收藏
function AddFavorite(sURL, sTitle) {
    try {
        window.external.addFavorite(sURL, sTitle);
    } catch (e) {
        try {
            window.sidebar.addPanel(sTitle, sURL, "");
        } catch (e) {
            alert("加入收藏失败，请使用Ctrl+D进行添加");
        }
    }
}
///设为首页
function SetHome(obj, vrl) {
    try {
        obj.style.behavior = 'url(#default#homepage)';
        obj.setHomePage(vrl);
    } catch (e) {
        if (window.netscape) {
            try {
                netscape.security.PrivilegeManager
                        .enablePrivilege("UniversalXPConnect");
            } catch (e) {
                alert("此操作被浏览器拒绝！\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]的值设置为'true',双击即可。");
            }
            var prefs = Components.classes['@mozilla.org/preferences-service;1']
                    .getService(Components.interfaces.nsIPrefBranch);
            prefs.setCharPref('browser.startup.homepage', vrl);
        }
    }
}