var cookie_prefix = 'cxgt_';
var Cookies = {
        get : function(name) {
                var arg = cookie_prefix + name + "=";
                var alen = arg.length;
                var clen = document.cookie.length;
                var i = 0;
                var j = 0;
                while (i < clen) {
                        j = i + alen;
                        if (document.cookie.substring(i, j) == arg)
                                return Cookies.getCookieVal(j);
                        i = document.cookie.indexOf(" ", i) + 1;
                        if (i == 0)
                                break;
                }
                return "";
        },
        getCookieVal : function(offset) {
                var endstr = document.cookie.indexOf(";", cookie_prefix + offset);
                if (endstr == -1) {
                        endstr = document.cookie.length;
                }
                return unescape(document.cookie.substring(cookie_prefix + offset, endstr));
        }
};
//读取cookies
function getCookie(name) {
    var arr, reg = new RegExp("(^| )" + name + "=([^;]*)(;|$)");
    if (arr = document.cookie.match(reg))
        return unescape(arr[2]);
    else
        return null;
}
var islogin = "";
var fid = "";
var site_fid = "15388";
var uid = "";
var nickname = "";
if('' != null && '' != ""){
	islogin = true;
}
var globalhead = {
        siteTile : "首图市民学习空间",
        uid : "",
		member	:function(){
			return {
				uid:"",
				nickname:"", 
				username:"", 
				depart:"", 
				ak:""
			}
		},
	globalhead : function(){},
        format : function(){
	        globalhead.loginUrl = globalhead.formatUrl("" + escape(window.location.href));
       	 	if('' == ''){
				globalhead.loginUrl = "http://passport.shoutu.xuexi365.com/?backurl=" + escape(window.location.href);
			}
			globalhead.iUrl = globalhead.formatUrl("http://i1.shoutu.xuexi365.com/base ");
			globalhead.photoUrl = globalhead.formatUrl("http://photo.shoutu.xuexi365.com");
	        globalhead.indexUrl = globalhead.formatUrl("http://shoutu.xuexi365.com");
	        globalhead.videoUrl = globalhead.formatUrl("http://video.shoutu.xuexi365.com");
	        globalhead.bookUrl = globalhead.formatUrl("http://book.shoutu.xuexi365.com");
	        globalhead.courseUrl = globalhead.formatUrl("http://course.shoutu.xuexi365.com");
	        globalhead.loginout = "http://passport.shoutu.xuexi365.com/logout.shtml?backurl=" + escape(window.location.href);
        },
		formatUrl : function(url){
			if(url.indexOf('http://') == 0){
				return url;
			}
			return 'http://' + url;
		},
		show : function(id){
			document.getElementById(id).style.display = 'block';
		},
		hide : function(id){
			document.getElementById(id).style.display = 'none';
		},
		left : function(){
			var html = ['<li><a href="' + globalhead.indexUrl + '">首页</a></li>',
					'<li><a href="' + globalhead.iUrl + '">学习空间</a></li>'].join('');
			document.write(html);
		},
		right : function(){
			var html = '';
			if(islogin){
				html = ['<a href="' + globalhead.iUrl + '" class="userInfo">',
				'<img src="http://' + globalhead.photoUrl + '/p/_38" height="18" width="18" border="0">',
				'<span id="unickname"></span></a>',
				'<div class="pop account lvNormalIcon" id="account_h">',
					'<a class="btn" href="' + globalhead.iUrl + '/settings/info" id="btn_account_h" onmouseover="globalhead.show(\'con_account_h\')" onmouseout="globalhead.hide(\'con_account_h\')">',
					'<b class="icons lvIcon"></b>我的账户</a>',
					'<div style="display: none;" class="con" id="con_account_h" onmouseover="globalhead.show(\'con_account_h\')" onmouseout="globalhead.hide(\'con_account_h\')">',
						'<ul class="inner_con">',
							'<li class="helpNav" id="tophelpNav">',
								'<a href="' + globalhead.iUrl + '" target="_blank">学习空间</a><span>|</span>',
								'<a href="' + globalhead.iUrl + '/15823272" target="_blank">个人主页</a><span>|</span>',
								'<a href="' + globalhead.iUrl + '/settings/info" target="_blank">设置</a>',
							'</li>',
						'</ul>',
					'</div>',
				'</div>',
				'<a class="quitBtn" href="' + globalhead.loginout + '">退出</a>'].join('');
			}else{
				html = ['<span class="welcome">您好，欢迎来到' + globalhead.siteTile + '！</span>',
				'<a class="logBtn" href="' + globalhead.loginUrl + '">请登录</a>'].join('');
			}
			document.write(html);
		},
        init : function() {
			globalhead.format();
			globalhead.include('http://passport.shoutu.xuexi365.com/style/defstyle/css/head.css');
			document.write('<div class="header_db" id="shoutu_top">');
			document.write('	<div class="width960">');
			document.write('		<div class="logState">');
							globalhead.right();
			document.write('		</div>');
			document.write('		<ul class="nav_webSite clearfix">');
							globalhead.left();
			document.write('		</ul>');
			document.write('	</div>');
			document.write('</div>');
        },
		include : function(file) {
			var files = typeof file == "string" ? [ file ] : file;
			for ( var i = 0; i < files.length; i++) {
				var name = files[i].replace(/^\s|\s$/g, "");
				var att = name.split('.');
				var ext = att[att.length - 1].toLowerCase();
				var isCSS = ext == "css";
				var tag = isCSS ? "link" : "script";
				var attr = isCSS ? " type='text/css' rel='stylesheet' " : " language='javascript' type='text/javascript' ";
				var link = (isCSS ? "href" : "src") + "='" + name + "'";
				document.write("<" + tag + attr + link + "></" + tag + ">");
			}
		}
};
//globalhead.init();
function hideTop(){
	$(".header_db").hide();
}