function doLogin() {
    if ($("#login_username").val() == '' || $("#login_password").val() == '') {
        alert("用户名或密码不能为空");
        return false;
    }
    $.post("/public/dologin/", $("#frmlogin").serialize(),
    function(user) {
        if (user.data.uid) {
            //$("#welcome").slideUp();
            $("#welcome").html('<div id="new-wel"><span class="right"><a href="http://u.sanwen.net/'+user.data.penname+'.html" target="_blank">我的空间主页</a> <a href="http://u.sanwen.net/manage/">管理中心</a> <a href="/public/doexit/" target="_self">退出</a></span>你好 <strong>'+user.data.penname+'</strong> 欢迎回来！<a href="http://u.sanwen.net/manage/message">短消息</a> <a href="http://u.sanwen.net/manage/favorite">收藏夹</a> <a href="http://u.sanwen.net/manage/articleadd">发表文章</a> <a href="http://www.sanwen.net/shortcut.php"><font color=red>创建桌面快捷方式</font></a></div>');
        } else {
            alert(user.data);
        }
    },
    'json');
    return false;
}
function checklogin(){
	$.post('/public/checklogin','',function(user){
		if(user.status==1){
			$("#welcome").html('<div id="new-wel"><span class="right"><a href="http://u.sanwen.net/manage/">管理中心</a> <a href="/public/doexit/" target="_self">退出</a></span><a href="http://u.sanwen.net/'+user.data.uid+'.html" class="utype_'+user.data.typeid+'" target="_blank"><strong>'+user.data.username+'</strong></a> 欢迎回来！<a href="http://u.sanwen.net/manage/message">短消息</a> <a href="http://u.sanwen.net/manage/favorite">收藏夹</a> <a href="http://u.sanwen.net/manage/articleadd">发表文章</a> <a href="http://www.sanwen.net/shortcut.php"><font color=red>创建桌面快捷方式</font></a></div>');
		}
		$("#welcome").slideDown();
	},'json');
}
function dosearch(){
	var keywords = $("#keywords").val();
	window.open("/search/"+keywords);
}

function ChangeFontSize(action){
	if(action=='small'){
		$("#article_content").css('font-size',14);
		$("#smallfont").css('color','gray');
		$("#bigfont").css('color','#336699');
	}else if(action=='big'){
		$("#article_content").css('font-size',16);
		$("#bigfont").css('color','gray');
		$("#smallfont").css('color','#336699');
	}
}

function fontsize(size){
	$("#article_content").css('font-size',size);
}

function DiggPost(action){
	var saveid = GetCookie('diggid');
	if(saveid != null)
	{
		var saveids = saveid.split(',');
		var hasid = false;
		saveid = '';
		j = 1;
		for(i=saveids.length-1;i>=0;i--)
		{
			if(saveids[i]==article_id && hasid) continue;
			else {
				if(saveids[i]==article_id && !hasid) hasid = true;
				saveid += (saveid=='' ? saveids[i] : ','+saveids[i]);
				j++;
				if(j==20 && hasid) break;
				if(j==19 && !hasid) break;
			}
		}
		if(hasid) { alert("您已经顶过该帖，请不要重复顶帖！"); return; }
		else saveid += ','+article_id;
		SetCookie('diggid',saveid,1);
	}
	else
	{
		SetCookie('diggid',article_id,1);
	}
	
	$.post("/public/digg/",{"aid":article_id,'action':action},function(msg){
		$("#btn_good").html("被顶"+msg.data.recommend_add+"次");
		$("#btn_bad").html("被踩"+msg.data.recommend_sub+"次");
	},"json");
}

function LoadCommets(aid,page){
	//$.get("http://www.sanwen.net/plus/feedback_ajax.php?dopost=getlist&aid="+aid+"&page="+page, function(data){
	//  $("#comment_list").html(data);
	//});
	$.get("http://www.sanwen.net/comment/getlist/aid/"+aid, function(data){
	  $("#comment_list").html(data);
	});
}

function LoadUnion(){
	$.get("/union_code.html",function(data){
		$("#union").html(data);				  
	});
}

//读写cookie函数
function GetCookie(c_name)
{
	if (document.cookie.length > 0)
	{
		c_start = document.cookie.indexOf(c_name + "=")
		if (c_start != -1)
		{
			c_start = c_start + c_name.length + 1;
			c_end   = document.cookie.indexOf(";",c_start);
			if (c_end == -1)
			{
				c_end = document.cookie.length;
			}
			return unescape(document.cookie.substring(c_start,c_end));
		}
	}
	return null
}

function SetCookie(c_name,value,expiredays)
{
	var exdate = new Date();
	exdate.setDate(exdate.getDate() + expiredays);
	document.cookie = c_name + "=" +escape(value) + ((expiredays == null) ? "" : ";expires=" + exdate.toGMTString());
}

function doZoom(size) { document.getElementById('article_content').style.fontSize = size + 'px'; return false;}

//复制网址
function copylink(){
   var clipBoardContent='';
   clipBoardContent+=document.title;
   clipBoardContent+=window.location;
   window.clipboardData.setData("Text",clipBoardContent);
   alert("复制成功，请粘贴到你的QQ/MSN上推荐给你的好友");
}
function toQzoneLogin(){var A=window.open("http://www.sanwen.net/connect/qqlogin","TencentLogin","width=500,height=400,menubar=0,scrollbars=0, resizable=1,status=1,titlebar=0,toolbar=0,location=1");}