/* declare namespace */
(function(){
	var namespaces = [ "System","BdElement", "BdBrowser", "BdEvent", "BdUtil", "BdAjax","BdString"];
	for(var i = 0, j = namespaces.length; i < j; i ++){
		if(window[namespaces[i]] != 'object')
			window[namespaces[i]] = {};
	}
})();

/* attach methods */
(function(){
	/* BdBrowser scope */
	var ua = navigator.userAgent.toLowerCase();

	var isStrict = document.compatMode == "CSS1Compat",
		isOpera = ua.indexOf("opera") > -1,
		isSafari = (/webkit|khtml/).test(ua),
		isSafari3 = isSafari && ua.indexOf('webkit/5') != -1,
		isIE = !isOpera && ua.indexOf("msie") > -1,
		isIE7 = !isOpera && ua.indexOf("msie 7") > -1,
		isGecko = !isSafari && ua.indexOf("gecko") > -1,
		isBorderBox = isIE && !isStrict,
		isWindows = (ua.indexOf("windows") != -1 || ua.indexOf("win32") != -1),
		isMac = (ua.indexOf("macintosh") != -1 || ua.indexOf("mac os x") != -1),
		isAir = (ua.indexOf("adobeair") != -1),
		isLinux = (ua.indexOf("linux") != -1),
		isSecure = window.location.href.toLowerCase().indexOf("https") === 0;

    // remove css image flicker
    if(isIE && !isIE7){
        try{
            document.execCommand("BackgroundImageCache", false, true);
        }catch(e){}
    }
    
    var browsers = {
        isOpera : isOpera,
        isSafari : isSafari,
        isSafari3 : isSafari3,
        isSafari2 : isSafari && !isSafari3,
        isIE : isIE,
        isIE6 : isIE && !isIE7,
        isIE7 : isIE7,
        isGecko : isGecko,
        isBorderBox : isBorderBox,
        isLinux : isLinux,
        isWindows : isWindows,
        isMac : isMac,
        isAir : isAir
    };

    for(var p in browsers){
        BdBrowser[p] = browsers[p];
    }

    /* BdElement scope */
    window.Bd$ = BdElement.check = function(id){
        return typeof id == 'string' ? document.getElementById(id) : id;
    }

    BdElement.removeNode = isIE ? function(){
        var d;
        return function(node){
            if(node && node.tagName != 'BODY'){
                d = d || document.createElement('DIV');
                d.appendChild(node);
                d.innerHTML = '';
            }
        }
    }() : function(node){
        if(node && node.parentNode && node.tagName != 'BODY'){
            node.parentNode.removeChild(node);
        }
    }

    /* BdEvent scope */
    BdEvent.addEvent = function(el, fn, handler){
        if(isIE){
            el.attachEvent("on" + fn, handler);
        }else{
            el.addEventListener(fn, handler, false); 
        }
    }

    BdEvent.removeEvent = function(el, fn, handler){
        if(isIE){
            el.detachEvent("on" + fn, handler);
        }else{
            el.removeEventListener(fn, handler, false); 
        }
    }

	BdEvent.addDOMLoadEvent = (function(){
        // create event function stack
        var load_events = [],
            load_timer,
            script,
            done,
            exec,
            old_onload,
            init = function () {
                done = true;
                // kill the timer
                clearInterval(load_timer);

                // execute each function in the stack in the order they were added
                while (exec = load_events.shift())
                    setTimeout(exec, 10);
                if (script) script.onreadystatechange = '';
            };

            return function (func) {
                // if the init function was already ran, just run this function now and stop
                if (done) return func();


                if (!load_events[0]) {
                    // for Mozilla/Opera9
                    if (document.addEventListener)
                        document.addEventListener("DOMContentLoaded", init, false);

                    // for Internet Explorer

                    /*@cc_on @*/
                    /*@if (@_win32)
                        document.write("<script id=__ie_onload defer src=//0><\/scr"+"ipt>");
                        script = document.getElementById("__ie_onload");
                        script.onreadystatechange = function() {
                            if (this.readyState == "complete")
                                init(); // call the onload handler
                        };
                    /*@end @*/


                    // for Safari
                    if (/WebKit/i.test(navigator.userAgent)) { // sniff
                        load_timer = setInterval(function() {
                            if (/loaded|complete/.test(document.readyState))
                                init(); // call the onload handler
                        }, 10);
                    }

                    // for other browsers set the window.onload, but also execute the old window.onload
                    old_onload = window.onload;

                    window.onload = function() {
                        init();
                        if (old_onload) old_onload();
                    };
                }

            load_events.push(func);
        }
	})();

	/* BdUtil scope */
	BdUtil.insertWBR = (function(){
		var textAreaCache = null;

		function getContainer(){
			var textarea = document.getElementById('insertWBR_container');
			if(!textarea){
				textarea = document.createElement('TEXTAREA');
				textarea.id = 'insertWBR_container';
				textarea.style.display = 'none';
				document.body.insertBefore(textarea, document.body.firstChild);
			}
			return (textAreaCache = textarea)
		}

		return function(text, step){
			var textarea = textAreaCache || getContainer();
			if(!textarea) return text;
			
			textarea.innerHTML = text.replace(/&/g,'&amp;').replace(/</g,"&lt;").replace(/>/g,"&gt;");
			var string = textarea.value;
			

			var step = (step || 5), reg = new RegExp("(\\S{" + step + "})", "gi");
			var result = string.replace(/(<[^>]+>)/gi,"$1<wbr/>").replace(/(>|^)([^<]+)(<|$)/gi, function(a,b,c,d){
				if(c.length < step) return a;
				return b + c.replace(reg, "$1<wbr/>") + d;
			}).replace(/&([^;]*)(<wbr\/?>)([^;]*);/g,'&$1$3;');
			return result;
		}
	})();

	BdUtil.hi_tracker = (function(){
		function E(s){ return encodeURIComponent(s) }

		function tracker(mn, a){
			return function(){
				var t = new Date().getTime(),
					href = a.href;
				if(isIE){
					var regex = /href\s*=\s*("|')?([^\s]*)\1/gi;
					if(regex.test(a.outerHTML))
						href = RegExp.$2;
				}
				new Image().src = "http://hi.baidu.com/sys/statlog/1.gif?m=" + E(mn) + "&v=" + E(href) + "&t="+t;
			}
		}

		return function(mod_id_or_el, mod_name){
			var bl = (typeof mod_id_or_el == 'string'),
				el = bl ? document.getElementById(mod_id_or_el) : mod_id_or_el,
				mn = mod_name || (bl ? mod_id_or_el : el.tagName),
				as = el.nodeName.toUpperCase() == 'A' ? [el] : el.getElementsByTagName('A');
			if(!as || as.length <= 0) return false;
			for(var i = 0, j = as.length; i < j; i ++){
				var a = as[i];
				isIE ? a.attachEvent("onclick", tracker(mn, a)) : a.addEventListener("click", tracker(mn, a), false);
			}
		}
	})();

    /* BdAjax scope */
    BdAjax.getXHR = function(){
        var xhr = null;
        try{
            return (xhr = new XMLHttpRequest());
        }catch(e){}

        for(var i = 0, a = ['MSXML3','MSXML2','Microsoft']; i < a.length; i ++){
            try{
                xhr = new ActiveXObject(a[i]+'.XMLHTTP');
                break;
            }catch(e){}
        }

        return xhr;
    }

    BdAjax.request = function(url, json){
        var xhr = this.getXHR();
        if(!xhr){
            throw new Error("cant't initialize xhr instance.");
        }
		var options={};
        options.method    = (json.method || 'get').toLowerCase();
        options.asyn      = true;
        options.onSuccess = json.onSuccess || function(){};
        options.onFailure = json.onFailure || function(){ new Image().src = "/sys/statlog/1.gif?m=ajax-request&v=" + encodeURIComponent(url) + "&t=" + new Date().getTime();};
       
        
        options.postData = json.postData || null;

        xhr.open(options.method, url, options.asyn);

		if("post" == options.method.toLowerCase()){
            xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
        } 

        xhr.onreadystatechange = function(){
            if(xhr.readyState == 4){
                if(xhr.status == 0 || xhr.status == 200){
                    options.onSuccess(xhr);
                }else{
                    options.onFailure(xhr);
                }
            }
        }
        xhr.send(options.postData);
    }

	BdAjax.loadJS=(function()
	{
		var head ;
		return function(jsUrl){
			head = head || document.getElementsByTagName("head")[0];
			var s=document.createElement("script");
			s.type="text/javascript";
			s.src=jsUrl;
			head.appendChild(s);
		}

	})();
	
	BdString.trim=function(str)
	{
		return str.replace(/(^[\s\t\xa0\u3000]+)|([\u3000\xa0\s\t]+$)/g, "");
	}
	BdString.byteLength = function(str){
		return str.replace(/[^\x00-\xFF]/g, "ly").length;
	}
	BdString.subByte = function(s, n){
		if(this.byteLength(s)<=n) 
			return s;
		for(var i=Math.floor((n=n-2)/2),l=s.length; i<l; i++)
			if(this.byteLength(s.substr(0,i))>=n)
				return s.substr(0,i) +"\u2026";
		return s;
	}
})();
//index
function blogdel(articleid,blogid)
{
	var pop=new Popup({ contentType:3,isReloadOnClose:false,width:340,height:80});
	pop.setContent("title","删除文章");
	pop.setContent("confirmCon","您确定要彻底删除这篇文章及其所有评论吗？");
	pop.setContent("callBack",delCallback);
	pop.setContent("parameter",{articleid:articleid,blogid:blogid,popup:pop});
	pop.build();
	pop.show();
	return false;
}

function delCallback(para)
{
	var o_pop=para["popup"];
    var articleid = para["articleid"];
    var blogid = para["blogid"];
    //o_pop.close();
	o_pop.config.contentType=2;
    var message = "";
    $.post("articleDel.php",{articleid:articleid,blogid:blogid},function(msg){
        if(msg != 0) message = '删除失败';
        else message = '删除成功';

        var html = '<div style="margin: 20px 20px 0pt; font-size: 14px; line-height: 16px; color: rgb(0, 0, 0);">'+message+'</div>';
        o_pop.setContent("contentHtml",html);
        o_pop.reBuild();
        setTimeout('pageReload()',500);
    });
}
function pageReload(){
    top.location.reload();
}
function mod_editCat(url)
{
	var pop=new Popup({ contentType:1, isReloadOnClose:true, width:440, height:390 });
	pop.setContent("title","编辑分类");
	pop.setContent("contentUrl",url);
	pop.build();
	pop.show();
	return false;
}
function mod_addComment(articleid,blogid){
    var comment = $("#spBlogCmtText").val();
    if(comment.isEmpty()) {
        $("#3_err_con").show().html("您必须输入评论内容，请检查。");
        return false;
    }
    if(comment.length > 100) {
        $("#3_err_con").show().html("评论内容不能超过100个字符，请检查。");
        return false;
    }
    $.post("comment.php",{action:"addcomment",comment:comment,blogid:blogid,articleid:articleid},function(msg){
        if(msg == 0)
        Jmessage("留言成功","添加留言成功！",false);
        else 
        $("#3_err_con").show().html(msg);
    });
}
function mod_delComment(commentid,articleid,blogid){
    var pop=new Popup({ contentType:3,isReloadOnClose:false,width:340,height:80});
	pop.setContent("title","删除评论");
	pop.setContent("confirmCon","您确定要彻底删除这条评论吗？");
	pop.setContent("callBack",delCommentCallBack);
	pop.setContent("parameter",{commentid:commentid,articleid:articleid,blogid:blogid,popup:pop});
	pop.build();
	pop.show();
	return false;
}
function delCommentCallBack(para){
    var o_pop=para["popup"];
    var commentid = para["commentid"];
    var articleid = para["articleid"];
    var blogid = para["blogid"];
    //o_pop.close();
	o_pop.config.contentType=2;
    var message = "";
    $.post("comment.php",{action:"delcomment",commentid:commentid,articleid:articleid,blogid:blogid},function(msg){
        if(msg != 0) message = '删除失败';
        else message = '删除成功';

        var html = '<div style="margin: 20px 20px 0pt; font-size: 14px; line-height: 16px; color: rgb(0, 0, 0);">'+message+'</div>';
        o_pop.setContent("contentHtml",html);
        o_pop.reBuild();
        setTimeout('pageReload()',500);
    });
}
function Jalert(title,message,reload){
    var pop=new Popup({ contentType:3,isReloadOnClose:reload,width:340,height:80});
	pop.setContent("title",title);
    var html = '<div style="margin: 20px 20px 0pt; font-size: 14px; line-height: 16px; color: rgb(0, 0, 0);">'+message+'</div>';
    pop.setContent("contentHtml",html);
	pop.setContent("callBack",delCallback);
	pop.setContent("parameter",{articleid:articleid,blogid:blogid,popup:pop});
	pop.build();
	pop.show();
	return false;
}
function Jmessage(title,message,reload){
    var pop=new Popup({ contentType:2,isReloadOnClose:reload,width:340,height:80});
	pop.setContent("title",title);
    var html = '<div style="margin: 20px 20px 0pt; font-size: 14px; line-height: 16px; color: rgb(0, 0, 0);">'+message+'</div>';
    pop.setContent("contentHtml",html);
	pop.build();
	pop.show();
    setTimeout('window.location.reload();',500);
}

function Jconfirm(title,message,reload,callBack){
    var pop=new Popup({ contentType:3,isReloadOnClose:reload,width:340,height:80});
	pop.setContent("title",title);
	pop.setContent("confirmCon",message);
	pop.setContent("callBack",callBack);
	pop.setContent("parameter",{articleid:articleid,blogid:blogid,popup:pop});
	pop.build();
	pop.show();
	return false;
}
function Jpop(){

}
//去掉字符串左右边的空格包括Tab,用于封装在String对象
String.prototype.trim = trim;
function trim(){
 return this.replace(/(^[\s,\t]*)|([\s,\t]*$)/g, "");
}
//检验字符串是否为空,用于封装在String对象
String.prototype.isEmpty = isEmpty;
function isEmpty(){
 var tmpStr = this.trim();
  if ((tmpStr.length == 0) || (tmpStr == "")|| (tmpStr == null)){
  return true;
  }
  else{
    return false;
  }
}
var g_pop;
function addPhotoCat(url)
{
	if(8>=80)
	{
		alertPop("创建新相册","相册数目最多为80个");
	}
	else
	{
		g_pop=new Popup({ contentType:1, isReloadOnClose:false, width:530, height:230 });
		g_pop.setContent("title","创建新相册");
		g_pop.setContent("contentUrl",url);
		g_pop.build();
		g_pop.show();
	}
	return false;
}
function g_close_pop()
{
	g_pop.close();
}
function autoImage(obj,MAX_WIDTH,MAX_HEIGHT){

var tImg=new Image();
tImg.onload=function(){
if(obj.src.length<1) {
obj.width=MAX_WIDTH; obj.height=MAX_HEIGHT; return;
}
var w=this.width;
var h=this.height;
if(w<MAX_WIDTH && h<MAX_HEIGHT){
obj.width=w;
obj.height=h;
return;
}
if(w>h) {
obj.width=MAX_WIDTH;obj.height=MAX_WIDTH*h/w;
}
else{
obj.height=MAX_HEIGHT;obj.width=MAX_HEIGHT*w/h;
}
if(obj.src) obj.style.display='';
}
tImg.src=obj.src;
}