// The cookie name to use for storing the blog-side comment session cookie.
var mtCookieName = "mt_blog4_user";
var mtCookieDomain = ".liquiddive.com";
var mtCookiePath = "/frostbite/";
var mtCookieTimeout = 14400;


function mtHide(id) {
    var el = (typeof id == "string") ? document.getElementById(id) : id;
    if (el) el.style.display = 'none';
}


function mtShow(id) {
    var el = (typeof id == "string") ? document.getElementById(id) : id;
    if (el) el.style.display = 'block';
}


function mtAttachEvent(eventName,func) {
    var onEventName = 'on' + eventName;
    var old = window[onEventName];
    if( typeof old != 'function' )
        window[onEventName] = func;
    else {
        window[onEventName] = function( evt ) {
            old( evt );
            return func( evt );
        };
    }
}


function mtFireEvent(eventName,param) {
    var fn = window['on' + eventName];
    if (typeof fn == 'function') return fn(param);
    return;
}

if(!this.JSON){JSON={};}(function(){function f(n){return n<10?'0'+n:n;}if(typeof Date.prototype.toJSON!=='function'){Date.prototype.toJSON=function(key){return this.getUTCFullYear()+'-'+f(this.getUTCMonth()+1)+'-'+f(this.getUTCDate())+'T'+f(this.getUTCHours())+':'+f(this.getUTCMinutes())+':'+f(this.getUTCSeconds())+'Z';};String.prototype.toJSON=Number.prototype.toJSON=Boolean.prototype.toJSON=function(key){return this.valueOf();};}var cx=/[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,escapable=/[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,gap,indent,meta={'\b':'\\b','\t':'\\t','\n':'\\n','\f':'\\f','\r':'\\r','"':'\\"','\\':'\\\\'},rep;function quote(string){escapable.lastIndex=0;return escapable.test(string)?'"'+string.replace(escapable,function(a){var c=meta[a];return typeof c==='string'?c:'\\u'+('0000'+a.charCodeAt(0).toString(16)).slice(-4);})+'"':'"'+string+'"';}function str(key,holder){var i,k,v,length,mind=gap,partial,value=holder[key];if(value&&typeof value==='object'&&typeof value.toJSON==='function'){value=value.toJSON(key);}if(typeof rep==='function'){value=rep.call(holder,key,value);}switch(typeof value){case'string':return quote(value);case'number':return isFinite(value)?String(value):'null';case'boolean':case'null':return String(value);case'object':if(!value){return'null';}gap+=indent;partial=[];if(Object.prototype.toString.apply(value)==='[object Array]'){length=value.length;for(i=0;i<length;i+=1){partial[i]=str(i,value)||'null';}v=partial.length===0?'[]':gap?'[\n'+gap+partial.join(',\n'+gap)+'\n'+mind+']':'['+partial.join(',')+']';gap=mind;return v;}if(rep&&typeof rep==='object'){length=rep.length;for(i=0;i<length;i+=1){k=rep[i];if(typeof k==='string'){v=str(k,value);if(v){partial.push(quote(k)+(gap?': ':':')+v);}}}}else{for(k in value){if(Object.hasOwnProperty.call(value,k)){v=str(k,value);if(v){partial.push(quote(k)+(gap?': ':':')+v);}}}}v=partial.length===0?'{}':gap?'{\n'+gap+partial.join(',\n'+gap)+'\n'+mind+'}':'{'+partial.join(',')+'}';gap=mind;return v;}}if(typeof JSON.stringify!=='function'){JSON.stringify=function(value,replacer,space){var i;gap='';indent='';if(typeof space==='number'){for(i=0;i<space;i+=1){indent+=' ';}}else if(typeof space==='string'){indent=space;}rep=replacer;if(replacer&&typeof replacer!=='function'&&(typeof replacer!=='object'||typeof replacer.length!=='number')){throw new Error('JSON.stringify');}return str('',{'':value});};}if(typeof JSON.parse!=='function'){JSON.parse=function(text,reviver){var j;function walk(holder,key){var k,v,value=holder[key];if(value&&typeof value==='object'){for(k in value){if(Object.hasOwnProperty.call(value,k)){v=walk(value,k);if(v!==undefined){value[k]=v;}else{delete value[k];}}}}return reviver.call(holder,key,value);}cx.lastIndex=0;if(cx.test(text)){text=text.replace(cx,function(a){return'\\u'+('0000'+a.charCodeAt(0).toString(16)).slice(-4);});}if(/^[\],:{}\s]*$/.test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,'@').replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,']').replace(/(?:^|:|,)(?:\s*\[)+/g,''))){j=eval('('+text+')');return typeof reviver==='function'?walk({'':j},''):j;}throw new SyntaxError('JSON.parse');};}}());

var MT = window.MT || {};

MT.cons = function () {
  return {
    LOG : 'log',
    WARN : 'warn',
    DEBUG : 'debug',
    INFO : 'info',
    ERR : 'error',
    JSON : 'json'
  };
}();


MT.core = function (o) {
  var _debug = false;
  
  return {
    
    connect : function (url,respType,respHandler) {
      var xh = mtGetXmlHttp();
      if (!xh) return false;
      
      xh.onreadystatechange = function() {
        if ( xh.readyState == 4 ) {
          if ( xh.status && ( xh.status != 200 ) ) {
            // error - ignore
          } else {
            switch (respType) {
              case 'json':
                respHandler(JSON.parse(xh.responseText));
                break;
                
              case 'xml':
                break;
                
              case 'text':
                break;
            }
          }
        }
      };
      
      xh.open('GET',url);
      xh.send(null);
    },
    
    getEl : function (el) {
      return MT.util.checkNodeType(el)==='element' ? id : (document.getElementById(el) || false);
    },
    
    addEvent : function (el,type,func,obj) {
      if(!obj && document.addEventListener) {
        el.addEventListener(type,func,false);
      } else if(obj && document.addEventListener) {
        el.addEventListener(type,function () {
          func.call(obj,event);
        },false);
      } else {
        if(obj) {
          el.attachEvent('on' + type,function () {
            func.call(obj,event);
          });
        } else {
          el.attachEvent('on' + type,function () {          
            func.call(el,event);
          });
        }
      }
    },
    
    
    log : function (level,msg) {
      if(_debug && window.console) {
        switch(level) {
          case 'warn':
          case 'debug':
          case 'info':
          case 'error':
          case 'log':
            console[level](msg);
            break;
            
          default:
            return false; 
        }
      } else {
        return false;
      }
    }
  }
}();


MT.util = function () {
  return {
    toggleVisibility : {
      show : function () {
        var i = arguments.length;
        
        while(i--) {
          if(MT.util.checkNodeType(arguments[i])==='element') {
            arguments[i].style.visibility = 'visible';
          } else {
            MT.core.getEl(arguments[i]).style.visibility = 'visible';
          }
        }
      },
      
      hide : function () {
        var i = arguments.length;
        while(i--) {
          if(MT.util.checkNodeType(arguments[i])==='element') {
            arguments[i].style.visibility = 'hidden';
          } else {
            MT.core.getEl(arguments[i]).style.visibility = 'hidden';
          }
        }
      }
    },
    
    toggleDisplay : {
      show : function () {
        var i = arguments.length;
        while(i--) {
          if(MT.util.checkNodeType(arguments[i])==='element') {
            arguments[i].style.display = '';
          } else {
            MT.core.getEl(arguments[i]).style.display = '';
          }
        }
      },
      
      hide : function () {
        var i = arguments.length;
        while(i--) {
          if(MT.util.checkNodeType(arguments[i])==='element') {
            arguments[i].style.display = 'none';
          } else {
            MT.core.getEl(arguments[i]).style.display = 'none';
          }
        }
      }
    },
    
    
    findDefiningParent : function (origin) {
      if(MT.util.checkNodeType(origin)==='element') {
        for(var node=origin.parentNode;node.parentNode;node=node.parentNode) {
          if((node.hasAttribute && node.hasAttribute('id')) || node.getAttribute('id')) {
            return node;
          }
        }
      }
      return false;
    },
    
    
    checkNodeType : function (obj) {
      if (obj && obj.nodeName){
        switch (obj.nodeType) {
          case 1: return 'element';
          case 3: return (/\S/).test(obj.nodeValue) ? 'textnode' : 'whitespace';
        }
      }
    }
  }
}();


(function () {
  var M = MT.core,
      c = MT.cons,
      u = MT.util,
      cache,
      isLoading,
      direction,
      currentComments,
      commentAnchor,
      commentArrId,
      commentsPerPage,
      commentsTotalPages,
      loadingIcon,
      pageNum,
      commentsOffset,
      totalComments,
      entryID,
      commentContentDiv,
      topNav,
      nav,
      currentCommentsSpan,
      topCurrentCommentsSpan;
            
  M.addEvent(window,'load',_init);
  
  /**
   * Initializes the class
   * 
   * @return void
   */
  function _init () {
    if(!MT.entryCommentCount) {
      return;
    }
    
    _initializeVariables();
    _setCommentOffset(false);
    _checkForAnchor();
		_setCurrentComments();
    _toggleNavLinks();
    _initializeEvents();
  }
  
  
  function _initializeVariables() {
    cache = {};
    isLoading = false;
    commentAnchor = '';
    commentArrId = '';
    commentsPerPage = MT.commentsPerPage || 50;
    currentComments = '';
    direction = 'ascend';
    entryID = MT.entryID;
    totalComments = MT.entryCommentCount;
    commentsTotalPages = Math.ceil(totalComments / commentsPerPage);
    pageNum = 1;
    
    loadingIcon = "<img title='Loading...' src='http://www.liquiddive.com/mt5/mt-static/images/indicator.white.gif' alt='Loading' />";
    
    commentContentDiv = M.getEl("comments-content");
    topNav = M.getEl("top-comment-nav");
    nav = M.getEl("comment-nav");
    
    currentCommentsSpan = M.getEl("current-comments");
    topCurrentCommentsSpan = M.getEl("top-current-comments");
  }
  
  function _initializeEvents() {
    if (commentsPerPage < totalComments) {
      M.addEvent(nav,'click',_handleEvents);
      M.addEvent(topNav,'click',_handleEvents);
    }
  }
  
  
  function _checkForAnchor() {
    var found = String(window.location.hash).match( /comment-(\d{1,6})/ );
		
		if (found) {
		  M.log(c.DEBUG,found);
			if (!Object.prototype.hasOwnProperty.call(M.getEl(found[0]), 'className')) {
				if (_findIdMatch(found[1])) {
    			pageNum = Math.floor(commentArrId / commentsPerPage) + 1;
    			M.log(c.DEBUG,'Comment Array Id: ' + commentArrId);
    			M.log(c.DEBUG,'Comments Per Page: ' + commentsPerPage);
    			M.log(c.DEBUG,'Page Number: ' + pageNum);
    			M.log(c.DEBUG,'Comment Offset: ' + _getCommentOffset());
    			_updateComments();
    		}
			}
		}
  }
  
  
  function _setCommentOffset() {
    commentsOffset = commentsPerPage * (pageNum-1);
  }
  
  
  function _getCommentOffset() {
    return commentsOffset;
  }
  
  
  function _handleEvents (e) {
    var origin = e.target || e.srcElement,
        parentId;
        
    // stupid IE
    origin = origin.id && M.getEl(origin.id) || false;

    if(origin) {
      parentId = u.checkNodeType(origin.parentNode)==='element' && origin.parentNode.getAttribute('id') && origin.parentNode.id;
    } else {
      return false;
    }
    
    switch(origin.nodeName) {
      case 'A':
        switch (parentId) {
          case 'prev-comments':
          case 'top-prev-comments':
            if(e.preventDefault) {
              e.preventDefault();
            } else {
              e.returnValue =	false;
            }
            if(!isLoading) {
              _previousPage();
            }
            break;
          case 'next-comments':
          case 'top-next-comments':
            if(e.preventDefault) {
              e.preventDefault();
            } else {
              e.returnValue =	false;
            }
            if(!isLoading) {
              _nextPage();
            }
            break;
        }
        break;
    }
  }
  
  
  function _toggleNavLinks () {
    M.log(c.DEBUG,M.getEl('top-prev-comments'));
    if(pageNum <= commentsTotalPages && pageNum !== 1) {
      u.toggleVisibility.show('prev-comments');
      u.toggleVisibility.show('top-prev-comments');
    }
    
    if(pageNum >= 1 && pageNum !== commentsTotalPages) {
      u.toggleVisibility.show('next-comments');
      u.toggleVisibility.show('top-next-comments');
    }
    
    if(pageNum===1 || nav.style.visibility==='hidden') {
      u.toggleVisibility.hide('prev-comments');
      u.toggleVisibility.hide('top-prev-comments');
    }
    
    if(pageNum===commentsTotalPages || nav.style.visibility==='hidden') {
      u.toggleVisibility.hide('next-comments');
      u.toggleVisibility.hide('top-next-comments');
    }
  }
  
  
  function _nextPage () {
    if(pageNum < commentsTotalPages) {
      pageNum++;
      _updateComments();
    }
  }
  
  
  function _previousPage() {
    if(pageNum > 1) {
      pageNum--;
      _updateComments();
    }
  }
  
  
  function _findIdMatch (id) {
    var len = MT.commentIds.length;
    
  	while (len--) {
  		if (MT.commentIds[len] == id) {
  			commentAnchor = "comment-" + id;
  			commentArrId = len;
  			return true;
  		}
  	}
  	
  	return false;
  }
  
  
  function _setCurrentComments() {
    var commentsOnPage = pageNum != commentsTotalPages ? commentsOffset + commentsPerPage : totalComments;
    
    _setCurrentCommentsContent([commentsOffset+1," - ",commentsOnPage].join(''));
  }
  
  
  function _setCurrentCommentsContent(currentCommentsHTML) {
    currentCommentsSpan.innerHTML = currentCommentsHTML;
    topCurrentCommentsSpan.innerHTML = currentCommentsHTML;
  }
  
  
  function _setCommentContent(commentHTML) {
    commentContentDiv.innerHTML = commentHTML;
  }
  
  
  function _updateComments() {
    var comments, jsonUrl;
    isLoading = true;
    _setCurrentCommentsContent(loadingIcon);
    _setCommentOffset();
    
    jsonUrl = [
        "http://www.liquiddive.com/mt5/mt-comments.cgi?__mode=comment_listing&direction=",
        direction,
        "&entry_id=",
        entryID,
        "&limit=",
        commentsPerPage,
        "&offset=",
        _getCommentOffset()
      ].join('');
  	
  	if (!commentAnchor) {
      commentAnchor = "comments-content";
    }
    
    if(cache.hasOwnProperty(jsonUrl)) {
      _refreshComments(cache[jsonUrl]);
      isLoading = false;
    } else {
      M.connect(jsonUrl,c.JSON,function (json) {
        cache[jsonUrl] = json.comments;
    	  _refreshComments(json.comments);
    	  isLoading = false;
      });
    }
  }
  
  
  function _refreshComments(commentData) {
    _setCommentContent(commentData);
    _setCurrentComments();
    window.location.hash = 'reset';
    window.location.hash = commentAnchor;
    _toggleNavLinks();
  }
})();


function mtRelativeDate(ts, fds) {
    var now = new Date();
    var ref = ts;
    var delta = Math.floor((now.getTime() - ref.getTime()) / 1000);

    var str;
    if (delta < 60) {
        str = '直前';
    } else if (delta <= 86400) {
        // less than 1 day
        var hours = Math.floor(delta / 3600);
        var min = Math.floor((delta % 3600) / 60);
        if (hours == 1)
            str = '1 時間前';
        else if (hours > 1)
            str = '2 時間前'.replace(/2/, hours);
        else if (min == 1)
            str = '1 分前';
        else
            str = '2 分前'.replace(/2/, min);
    } else if (delta <= 604800) {
        // less than 1 week
        var days = Math.floor(delta / 86400);
        var hours = Math.floor((delta % 86400) / 3600);
        if (days == 1)
            str = '1 日前';
        else if (days > 1)
            str = '2 日前'.replace(/2/, days);
        else if (hours == 1)
            str = '1 時間前';
        else
            str = '2 時間前'.replace(/2/, hours);
    }
    return str ? str : fds;
}


function mtEditLink(entry_id, author_id) {
    var u = mtGetUser();
    if (! u) return;
    if (! entry_id) return;
    if (! author_id) return;
    if (u.id != author_id) return;
    var link = '<a href="mt.cgi?__mode=view&amp;_type=entry&amp;id=' + entry_id + '">編集</a>';
    document.write(link);
}


function mtCommentFormOnFocus() {
    // if CAPTCHA is enabled, this causes the captcha image to be
    // displayed if it hasn't been already.
    mtShowCaptcha();
}


var mtCaptchaVisible = false;
function mtShowCaptcha() {
    var u = mtGetUser();
    if ( u && u.is_authenticated ) return;
    if (mtCaptchaVisible) return;
    var div = document.getElementById('comments-open-captcha');
    if (div) {
        div.innerHTML = '<br />
<b>Fatal error</b>:  Uncaught exception 'MTException' with message 'Undefined captcha provider. (none)' in /virtual/frostbite/public_html/mt5/php/lib/captcha_lib.php:59
Stack trace:
#0 /virtual/frostbite/public_html/mt5/php/lib/function.mtcaptchafields.php(18): CaptchaFactory::get_provider('none')
#1 /virtual/frostbite/public_html/frostbite/templates_c/%%EE^EE2^EE2F3DF3%%mt%3A1405.php(561): smarty_function_mtcaptchafields(Array, Object(MTViewer))
#2 /virtual/frostbite/public_html/mt5/php/extlib/smarty/libs/Smarty.class.php(1265): include('/virtual/frostb...')
#3 /virtual/frostbite/public_html/mt5/php/mt.php(593): Smarty-&gt;fetch('mt:1405', '4;/frostbite/mt...')
#4 /virtual/frostbite/public_html/frostbite/mtview.php(5): MT-&gt;view()
#5 {main}
  thrown in <b>/virtual/frostbite/public_html/mt5/php/lib/captcha_lib.php</b> on line <b>59</b><br />