FIRSTCLASS.layout.ThreadHandler = function(obj) {
	this._config = obj;
	if (!this._config.threading.coltype) {
		this._config.threading.coltype = FIRSTCLASS.layout.ThreadHandler.coltypes.STRING;
	}
	this.threads = [];
};

FIRSTCLASS.layout.ThreadHandler.prototype.getThread = function(row) {
	var threadId = this.getThreadId(row);
	var thread = this.threads[threadId];
	var isNew = false;
	if ( !thread ) {
		if (this._config.threadDraw) {
			thread = new this._config.threadDraw(row, this, this._config.uniqueid);
		} else {
			thread = new FIRSTCLASS.layout.Thread(row, this, this._config.uniqueid);
		}
		isNew = true;
	}
	this.threads[threadId] = thread;
	return {"thread":thread, "isNew": isNew};
};

FIRSTCLASS.layout.ThreadHandler.prototype.handleEvent = function(evt, fcevent) {
	var rv = false, thread, uri;
	if (evt.type == "click") {
		switch (fcevent.fcid) {
			case "uncollapser":
				thread = this.threads[fcevent.fcattrs];
				if (thread) {
					thread.unsuppressReadItems(fcevent.clickexpandall);
					rv = true;
				}
				break;
			case "collapser":
				thread = this.threads[fcevent.fcattrs];
				if (thread) {
					thread.suppressReadItems();
					rv = true;
				}
				break;
			case "collapsed":
				thread = this.threads[fcevent.fcattrs];
				if (thread) {
					uri = fcevent.target.getAttribute("uri");
					if (uri) {
						thread.unsuppressReadItem(uri);
						rv = true;
					}
				}
				break;
			default:
		}
	}
	return rv;
};

FIRSTCLASS.layout.ThreadHandler.prototype.removeThread = function(thread) {
	for (var i in this.threads) {
		if (this.threads[i] == thread) {
			this.threads.splice(i,1);
			return;
		}
	}
};

FIRSTCLASS.layout.ThreadHandler.prototype.doreset = function() {
	delete this.threads;
	this.threads = [];
};

FIRSTCLASS.layout.ThreadHandler.prototype.handleRow = function(row) {
	var tid = this.getThreadId(row);
	var t = this.getThread(row);
	t.handleRow(row);
};

FIRSTCLASS.layout.ThreadHandler.types = {
	NONE: 0,
	COLUMN: 1,
	THREAD: 2,
	DATE: 3
};

FIRSTCLASS.layout.ThreadHandler.coltypes = {
	STRING: 0,
	NUMBER: 1,
	DATE: 2,
	FRIENDLYDATE: 3
};

FIRSTCLASS.layout.ThreadHandler.prototype.getThreadId = function(row) {
	if (this._config.threading.format != FIRSTCLASS.layout.ThreadHandler.types.NONE) {
		var tid, dodate = false;
		switch (this._config.threading.format) {
			case FIRSTCLASS.layout.ThreadHandler.types.THREAD:
				return row.threadid;
			case FIRSTCLASS.layout.ThreadHandler.types.COLUMN:
				tid = row[this._config.threading.column];
				if (this._config.threading.coltype != FIRSTCLASS.layout.ThreadHandler.coltypes.FRIENDLYDATE) {
					return tid;
				}
				dodate = true;
				break;
			default:
				dodate = true;
		}
		if (dodate) {
			if (this._config.threading.format == FIRSTCLASS.layout.ThreadHandler.types.DATE) {
				tid = row.lastmod;
			}
			var curDate = new Date();
			curDate.setTime(Date.parse(tid));
			curDate.setHours(0);
			curDate.setMinutes(0);
			curDate.setSeconds(0);
			curDate.setMilliseconds(0);
			return curDate.toLocaleString();
		}
	} else {
		return "";
	}
};

FIRSTCLASS.layout.ThreadHandler.prototype.getThreadByElement = function(threadEl) {
	var id = threadEl.id;
	var strip = this._config.uniqueid+"Thread";
	var threadId = id.slice(strip.length, id.length);
	var thread = this.threads[threadId];
	return thread;
};

FIRSTCLASS.layout.ThreadHandler.prototype.getThreadConfig = function() {
	return this._config.threading;
};

FIRSTCLASS.layout.ThreadHandler.prototype.getRowHandler = function() {
	return this._config.rowHandler;
};


FIRSTCLASS.layout.Thread = function(row, thandler, uniqueid) {
	this.rowDefs = {};
	this.rowmap = [];
	this.threadid = thandler.getThreadId(row);
	this.thandler = thandler;
	this.tconfig = thandler.getThreadConfig();
	this.rowHandler = thandler.getRowHandler();
	this.uniqueid = uniqueid;
	this.domElement = document.createElement("DIV");
	var html = ["<div id='" +uniqueid + "Thread" + this.threadid+"' class='fcListViewThread"];
	if (this.tconfig && this.tconfig.collapseRead) {
		//this.suppressReadItems();
		html.push(" suppressreaditems");
	}
	html.push("'></div>");
	this.domElement.innerHTML = html.join("");
	this.domElement = this.domElement.firstChild;
	this.getNewThreadHeader(row);
	this.domElement.appendChild(this.threadHead);
	this.contentsElement = document.createElement("DIV");
	html = ["<div id='ThreadBody" + this.threadid + "' class='"];
	if (this.tconfig.hideThreadBody) {
	    html.push("fcListViewHiddenThreadBody");
	} else {
	    html.push("fcListViewThreadBody");
	}
	html.push("'></div>");
	
	this.contentsElement.innerHTML = html.join("");
	this.contentsElement = this.contentsElement.firstChild;
	if (this.tconfig && this.tconfig.collapseRead) {
		this.suppressReadItems();
//		YAHOO.util.Dom.addClass(this.contentsElement, 'suppressreaditems');
	}
	this.domElement.appendChild(this.contentsElement);
	this.initRow = row;
	this.currentSelection = -1;
	
	var that = this;
	this.getListViewContainer = function() {
		var container = YAHOO.util.Dom.getAncestorByClassName(that.domElement, "fcListViewContainer");
		that.getListViewContainer = function() {
			return container;
		};
		return container;
	};
	this.getListViewContainerParent = function() {
		var container = that.getListViewContainer();
		that.getListViewContainerParent = function() {
			return container.parentNode;
		};
		return container.parentNode;
	};
};

FIRSTCLASS.layout.Thread.prototype.handleClick = function(element) {
	if (YAHOO.util.Dom.isAncestor(this.threadHead, element)) {
		if (this._config.toolbarHelper) {
			
		} else {
			this.rowHandler.onRowClick(this._headerRow, this.threadHead);
		}
	}
};

FIRSTCLASS.layout.Thread.prototype.selectNext = function() {
	if (this.currentSelection >= 0 && this.currentSelection < this.rowmap.length-1) {
		this.currentSelection++;
	} else if (this.currentSelection == -1) {
		this.currentSelection = 0;
	} else {
		this.currentSelection = -1;
		return false;
	}
	return this.rowDefs[this.rowmap[this.currentSelection]].domElement;
};

FIRSTCLASS.layout.Thread.prototype.selectPrevious = function() {
	if (this.currentSelection > 0 && this.currentSelection < this.rowmap.length) {
		this.currentSelection--;
	} else if (this.currentSelection == -1) {
		this.currentSelection = this.rowmap.length-1;
	} else {
		this.currentSelection = -1;
		return false;
	}
	return this.rowDefs[this.rowmap[this.currentSelection]].domElement;
};
FIRSTCLASS.layout.Thread.prototype.changeSelection = function(row) {
	for (var i = 0; i < this.rowmap.length; i++) {
		if (this.rowmap[i] == row.uid) {
			this.currentSelection = i;
			break;
		}
	}
	var def = this.rowDefs[this.rowmap[this.currentSelection]];
	if (!def.domElement) {
		if (!def.domElement) {
			def.domElement = this.rowHandler.createRow(def.row);
			def.domElement.id = def.row._listViewID;
		}
		YAHOO.util.Dom.removeClass(def.domElement, 'read');
		def.recentlyread = true;
		YAHOO.util.Dom.addClass(def.domElement, 'recentlyread');
		this.contentsElement.appendChild(def.domElement);
	}
	return def.domElement;
};

FIRSTCLASS.layout.Thread.prototype.getDomElement = function() {
	return this.domElement;
};

FIRSTCLASS.layout.Thread.prototype.getNewThreadHeader = function(row) {
	this.threadHead = document.createElement("div");
	this.threadHead.innerHTML = "<div id='" + this.uniqueid + "Hdr" + this.threadid + "' class='fcListViewHeader fcListViewThreadHead fcThreadNoReplies'></div>";
	this.threadHead = this.threadHead.firstChild;
	this.updateThreadHeader(row);
};

FIRSTCLASS.layout.Thread.prototype.isQuestion = function(row) {
	return row.subject.indexOf("?") > 0 || (row.originalformid && row.originalformid == 143)|| (row.originalformid && row.originalformid == 21001);
};
FIRSTCLASS.layout.Thread.prototype.updateUncollapser = function() {
	if (this.tconfig.collapseRead && this._uncollapser) {
		var that = this, def, recentlyread, i, row, ncontributors;
		var nread = 0;
		for (i in this.rowDefs) {
			def = this.rowDefs[i];
			if (def.domElement) {
				recentlyread = def.recentlyread;
				if (def.row.uri != that._headerRow.uri && def.row.status.unread == 0 && !recentlyread) {
					nread++;
				}
			} else if (def.row.uri != that._headerRow.uri && def.row.status.unread == 0) {
				nread++;
			}
		}
		if (nread > 0) {
			var html = "";
			if (this.tconfig.displayThreadContributors) {
				html += "<table class='uncollapsebutton' fcid='uncollapser' fcevents='click'  fcattrs='" + this.threadid + "'><tr><td><img class='triangle' src='" + FIRSTCLASS.session.ui.fcbase.absolute + "/images/tri-collapsed.png'><td class='contributors''>";
				ncontributors = 0;
				for (i in this.rowmap) {
					def = this.rowDefs[this.rowmap[i]];
					row = def.row;
					recentlyread = def.recentlyread;
					if (row.uri != that._headerRow.uri && row.status.unread == 0 && !recentlyread) {
						html += "<img class='profpic' style='width:20px; height:27px;' src='" + FIRSTCLASS.util.User.getSmallProfPicUrlByCid(row.creatorcid) + "' alt='" + row.name + "' fcid='collapsed' fcattrs='"+this.threadid+"' uri='"+row.uri+"'> ";
					}
				}
				html += "</td><td class='buttontext'><a>";
				html += ((nread > 1) ? FIRSTCLASS.locale.doSub(FIRSTCLASS.locale.community.feed.read, [""+nread]) : FIRSTCLASS.locale.community.feed.read1);
				html += "</a></td></tr></table><div class='collapsebutton' fcid='collapser' fcevents='click'  fcattrs='"+this.threadid+"'><img class='triangle' src='" + FIRSTCLASS.session.ui.fcbase.absolute + "/images/tri-expanded.png'>";
				html += "<a>" + ((nread > 1) ? FIRSTCLASS.locale.doSub(FIRSTCLASS.locale.community.feed.hide, [""+nread]) : FIRSTCLASS.locale.community.feed.hide1) + "</a></div>";
			} else {
				var showsummary = nread > 1 ? FIRSTCLASS.locale.doSub(FIRSTCLASS.locale.community.feed.mread, [""+nread]) : FIRSTCLASS.locale.community.feed.mread1; // nread + " more read item"+ ((nread==1)?"":"s");
				var hidesummary = nread > 1 ? FIRSTCLASS.locale.doSub(FIRSTCLASS.locale.community.feed.hide, [""+nread]) : FIRSTCLASS.locale.community.feed.hide1; // "hide&nbsp;" + nread + "&nbsp;read&nbsp;item"+ ((nread==1)?"":"s");
				if (this.tconfig.summaryMode) {
					if (this.tconfig.summaryMode === "summary") {
						var likes = 0;
						var hiddenreplies = 0;
						var replies = 0;
						for (i in this.rowmap) {
							def = this.rowDefs[this.rowmap[i]];
							row = def.row;
							recentlyread = def.recentlyread;
							if (row.uri != that._headerRow.uri) {
								if (row.status.unread == 0 && !recentlyread) {
									hiddenreplies++;
								}
								replies++;
							}
						}
						showsummary = "";
						hidesummary = "";
						if (likes > 0) {
							showsummary += likes + " people liked this";
							if (hiddenreplies > 0) {
								showsummary += ", ";
							}
							hidesummary = showsummary;
						}
						if (hiddenreplies > 0) {
							showsummary += hiddenreplies > 1 ? FIRSTCLASS.locale.doSub(FIRSTCLASS.locale.community.feed.mreply, [""+hiddenreplies]) : FIRSTCLASS.locale.community.feed.mreply1;// hiddenreplies + " more repl" + ((hiddenreplies > 1)?"ies":"y");
							hidesummary += replies > 1 ? FIRSTCLASS.locale.doSub(FIRSTCLASS.locale.community.feed.reply, [""+replies]) : FIRSTCLASS.locale.community.feed.reply1; // replies + " replies";
						}	
					}
				}
				html = "<div class='uncollapsebutton' fcid='uncollapser' fcevents='click'  fcattrs='" + this.threadid + "'><img class='triangle'  src='" + FIRSTCLASS.session.ui.fcbase.absolute + "/images/tri-collapsed.png'><a title='" + this._headerRow.col8010 + " " + FIRSTCLASS.util.Date.getFriendlyDateTimeString(this._headerRow.lastmod) + " " + showsummary + "' href='javascript:void(0);'>" + showsummary +"</a></div><div class='collapsebutton' fcid='collapser' fcevents='click' fcattrs='" + this.threadid + "'><img  class='triangle' src='" + FIRSTCLASS.session.ui.fcbase.absolute + "/images/tri-expanded.png'><a>" + hidesummary +"</a></div>";
			}
			this._uncollapser.innerHTML = html;
		} else {
			this._uncollapser.innerHTML = "";
		}
	}
};
FIRSTCLASS.layout.Thread.prototype.unsuppressReadItems = function(clickexpandall) {
	for (var i = 1; i < this.rowmap.length; i++) {
		var rcfg = this.rowDefs[this.rowmap[i]];
		if (!rcfg.domElement) {
			rcfg.domElement = this.rowHandler.createRow(rcfg.row);
			rcfg.domElement.id = rcfg.row._listViewID;
		}
		this.contentsElement.appendChild(rcfg.domElement);
		if (clickexpandall && rcfg.row.status.unread == 0) {
			YAHOO.util.Dom.removeClass(rcfg.domElement, 'read');
			rcfg.recentlyread = true;
			YAHOO.util.Dom.addClass(rcfg.domElement, 'recentlyread');
		}
	}
	YAHOO.util.Dom.removeClass(this.domElement, 'suppressreaditems');
    YAHOO.util.Dom.removeClass(this.contentsElement, "fcListViewHiddenThreadBody");
    if (clickexpandall) {
		this.updateUncollapser();
    }
};
FIRSTCLASS.layout.Thread.prototype.unsuppressReadItem = function(uri) {
	var i, rcfg, insertBefore, inserted;
	for (i = 0; i < this.rowmap.length; i++) {
		rcfg = this.rowDefs[this.rowmap[i]];
		if (rcfg.row.uri == uri) {
			if (!rcfg.domElement) {
				rcfg.domElement = this.rowHandler.createRow(rcfg.row);
				rcfg.domElement.id = rcfg.row._listViewID;
			}
			insertBefore = 0;
			for (i = 0; i < this.rowmap.length; i++) {
				if (this.tconfig.sortfunc(this.rowDefs[this.rowmap[i]].row, rcfg.row) < 0) {
					insertBefore = i;//this.rowmap[i];
					break;
				}
			}
			inserted = false;
			for (i = insertBefore; i < this.rowmap.length; i++) {
				if (this.rowDefs[this.rowmap[i]].domElement && this.rowDefs[this.rowmap[i]].domElement.parentNode == this.contentsElement) {
					this.contentsElement.insertBefore(rcfg.domElement, this.rowDefs[this.rowmap[i]].domElement);
					inserted = true;
					break;
				}
			}
			if (!inserted) {
				this.contentsElement.appendChild(rcfg.domElement);
			}
			YAHOO.util.Dom.removeClass(rcfg.domElement, 'read');
			rcfg.recentlyread = true;
			YAHOO.util.Dom.addClass(rcfg.domElement, 'recentlyread');
			break;
		}
	}
	this.updateUncollapser();
};
FIRSTCLASS.layout.Thread.prototype.suppressReadItems = function() {
	for (var i = this.rowmap.length-1; i > 0; i--) {
		var rcfg = this.rowDefs[this.rowmap[i]];
		var recentlyread = rcfg.recentlyread;
		if (rcfg.row.status.unread == 0 && !recentlyread) {
			this.contentsElement.removeChild(rcfg.domElement);
		}
	}
	YAHOO.util.Dom.addClass(this.domElement, 'suppressreaditems');
	if (this.tconfig.hideThreadBody) {
	    YAHOO.util.Dom.addClass(this.contentsElement, "fcListViewHiddenThreadBody");
	}
};

FIRSTCLASS.layout.Thread.prototype.updateThreadHeader = function(row, div) {
	var that = this, i, inserted, recentlyread, retval = 1, hdr = this.threadHead;
	if (this.tconfig.originRowIsHeader && div) {
		//YAHOO.util.Event.purgeElement(hdr, true);
		//var d = FIRSTCLASS.ui.Dom.clearElementChildren(hdr);
		if (hdr.firstChild) {
			recentlyread = YAHOO.util.Dom.hasClass(hdr.firstChild, 'recentlyread');
			if (this.tconfig && this.tconfig.collapseRead && this._headerRow.status.unread == 0 && !recentlyread) {
				 // don't insert
				FIRSTCLASS.ui.Dom.clearElementChildren(hdr);
			} else if (this.contentsElement.firstChild) {
				var insertBefore = 0;
				for (i = 0; i < this.rowmap.length; i++) {
					if (this.tconfig.sortfunc(this.rowDefs[this.rowmap[i]].row, this._headerRow) < 0) {
						insertBefore = i;//this.rowmap[i];
						break;
					}
				}
				inserted = false;
				for (i = insertBefore; i < this.rowmap.length; i++) {
					if (this.rowDefs[this.rowmap[i]].domElement && this.rowDefs[this.rowmap[i]].domElement.parentNode == this.contentsElement) {
						this.contentsElement.insertBefore(hdr.firstChild, this.rowDefs[this.rowmap[i]].domElement);
						inserted = true;
						break;
					}
				}
				if (!inserted) {
					this.contentsElement.appendChild(hdr.firstChild);
				}
//				insertBefore = this.rowDefs[this.rowmap[insertBefore]];
//				this.contentsElement.insertBefore(hdr.firstChild, this.contentsElement.firstChild);
			} else {
				this.contentsElement.appendChild(hdr.firstChild);
			}
		}
		hdr.appendChild(div);
//		FIRSTCLASS.ui.Dom.reparentNode(div,hdr);
		if (this.isQuestion(row)) {
			YAHOO.util.Dom.addClass(hdr.parentNode, "fcThreadQuestion");
		} else {
			YAHOO.util.Dom.addClass(hdr.parentNode, "fcThreadTopic");
		}
		retval = 2;
	} else if (!this.tconfig.originRowIsHeader) {
		var html = ["<div class='fcThreadTitle'>"], curDate;
		if (this.tconfig.formatter) {
			html.push(this.tconfig.formatter(row));
		} else {
			switch (this.tconfig.format) {
				case FIRSTCLASS.layout.ThreadHandler.types.THREAD:
					html.push(row.subject);
					break;
				case FIRSTCLASS.layout.ThreadHandler.types.COLUMN:
					if (this.tconfig.coltype && this.tconfig.coltype == FIRSTCLASS.layout.ThreadHandler.coltypes.FRIENDLYDATE) {
						curDate = new Date();
						curDate.setTime(Date.parse(this.threadid));
						html.push(FIRSTCLASS.util.Date.getFriendlyDateString(curDate));
					} else {
						html.push(this.threadid);
					}
					break;
				case FIRSTCLASS.layout.ThreadHandler.types.NONE:
					break;
				//case FIRSTCLASS.layout.ThreadHandler.types.DATE:
				default:
					curDate = new Date();
					curDate.setTime(row.lastmods*1000);
					curDate.setHours(0);
					curDate.setMinutes(0);
					curDate.setSeconds(0);
					html.push(FIRSTCLASS.util.Date.getFriendlyDateString(curDate));
					//hdr.date = curDate;
					break;
			}
		}
		html.push("</div>");
		hdr.innerHTML = html.join("");
	}
	if (this.tconfig.collapseRead && ! this._uncollapser) {
		this._uncollapser = document.createElement("div");
		YAHOO.util.Dom.addClass(this._uncollapser, 'uncollapser');
		hdr.appendChild(this._uncollapser);
	} else if (this.tconfig.collapseRead && this._uncollapser) {
		hdr.appendChild(this._uncollapser);
	}
	this._headerRow = row;
	this.updateUncollapser();
	
	//YAHOO.util.Event.purgeElement(hdr, false);
	/*YAHOO.util.Event.addListener(hdr, "click", function(evt) {
		if (that._headerRow && that.rowHandler.onRowClick) {
		    that.rowHandler.onRowClick(that._headerRow, hdr.firstChild);			
	    }
	});*/

	return retval;
};

FIRSTCLASS.layout.Thread.prototype.removeRow = function(row) {
	var rcfg = this.rowDefs[row.uid], i;
	if (rcfg) {
		delete this.rowDefs[row.uid];
		if (rcfg.domElement) {
    		rcfg.domElement.parentNode.removeChild(rcfg.domElement);
	    	YAHOO.util.Dom.removeClass(rcfg.domElement, 'lastthreaditem');
	    }
		YAHOO.util.Dom.addClass(this.contentsElement.lastChild, 'lastthreaditem');	
		if (rcfg.domElement) {
    		YAHOO.util.Event.purgeElement(rcfg.domElement, true);
    	}
		for (i = 0; i < this.rowmap.length; i++) {
			if (this.rowmap[i] == row.uid) {
				this.rowmap.splice(i,1);
				if (i == 0) {
					if (this.rowmap.length == 0) {
						break;// delete the thread
					} else {
						rcfg = this.rowDefs[this.rowmap[0]];
						if (!rcfg.domElement) {
							rcfg.domElement = this.rowHandler.createRow(rcfg.row);
							rcfg.domElement.id = rcfg.row._listViewID;
						}
						this.updateThreadHeader(rcfg.row,rcfg.domElement);
					}
				}
				if (i < this.currentSelection) {
					this.currentSelection--;
				}
				break;
			}
		}
		if (this.rowmap.length == 0) {
			return 2;
			// no more elements, remove this thread
		}
		return 1; // removed the row successfully
	}
	return 0; // row wasn't in the thread
};

FIRSTCLASS.layout.Thread.prototype.handleRow = function(row, div, dontsort, isNew) {
	if (!this._sortRow) {
		this._sortRow = row;
	}
	var rv = 1; // ok
	if (row != this._headerRow) {
		YAHOO.util.Dom.removeClass(this.threadHead, "fcThreadNoReplies");
	}
	var def = this.rowDefs[row.uid];
	if (def) {
		if (!def.recentlyread && YAHOO.util.Dom.hasClass(def.domElement, 'recentlyread')) {
			def.recentlyread = true;
		}
		if (!this._headerRow || this._headerRow.uri == row.uri) {
			this.updateThreadHeader(row, div);
		}
	} else {
		// adding row
		var rcfg = {"row":row, "domElement":div};
		this.rowDefs[row.uid] = rcfg;
		var insertBefore = false;
		var i = 0;
		if (!dontsort) {
			for (i = 0; i < this.rowmap.length; i++) {
				if (this.tconfig.sortfunc(this.rowDefs[this.rowmap[i]].row, row) > 0) {
					insertBefore = this.rowmap[i];
					break;
				}
			}
		} else {
			i = this.rowmap.length;
		}
		if (this.tconfig.originRowIsHeader && i == 0) {
			this.rowmap.splice(i, 0, row.uid);
			if (this.threadHead) {
				this.updateThreadHeader(row, div);
			}
		} else if (insertBefore) {
			this.rowmap.splice(i, 0, row.uid);
			if (this.tconfig && this.tconfig.collapseRead && row.status.unread == 0) {
				 // don't insert
			} else if (this.tconfig && this.tconfig.collapseRead && row.status.unread == 1) {
				this.contentsElement.appendChild(div);
			} else {
				this.contentsElement.insertBefore(div, this.rowDefs[insertBefore].domElement);
			}
			if (insertBefore <= this.currentSelection) {
				this.currentSelection++;
			}
		} else {
			this.rowmap[this.rowmap.length] = row.uid;
			if (this.tconfig && this.tconfig.collapseRead && row.status.unread == 0 && !isNew) {
				 // don't insert
			} else {
				if (isNew) {
					YAHOO.util.Dom.removeClass(div, 'read');
					rcfg.recentlyread = true;
					YAHOO.util.Dom.addClass(div, 'recentlyread');
				}
				this.contentsElement.appendChild(div);
			}
		}

		YAHOO.util.Dom.removeClass(this.contentsElement.childNodes, 'lastthreaditem');
		YAHOO.util.Dom.addClass(this.contentsElement.lastChild, 'lastthreaditem');
	}
	this.updateUncollapser();
	return rv;
};

FIRSTCLASS.layout.Thread.prototype.handleFullThread = function(thread) {
	var row, r, rcfg, isheader, i;
	this._sortRow = thread[0];
	if (this.tconfig.sortfunc) {
		thread.sort(this.tconfig.sortfunc);
	}
	for (i in thread) {
		row = thread[i];
		rcfg = {"row":row};
		isheader = false;
		if (thread.length == 1) {
			isheader = true;
		} else {
			isheader = (i == 0);
		}
		if (!isheader && this.tconfig && this.tconfig.collapseRead && row.status.unread == 0) {
			this.rowDefs[row.uid] = rcfg;
			this.rowmap[this.rowmap.length] = row.uid;
			// don't make the row unless it's the header
		} else {
			rcfg.domElement = this.rowHandler.createRow(row);
			rcfg.domElement.id = row._listViewID;
			this.handleRow(row, rcfg.domElement, true);
		}
	}
	/*if (this.tconfig.sortfunc) {
		var that = this;
		var sortfunc = function(row1, row2) {
			return -1*that.tconfig.sortfunc(that.rowDefs[row1].row, that.rowDefs[row2].row);
		};
		this.rowmap.sort(sortfunc);
	}*/
	this.updateUncollapser();
	if (this.tconfig.blogThreading) {
		for (i in this.rowmap) {
			r = this.rowDefs[this.rowmap[i]].row;
			if (r.typedef.objtype == FIRSTCLASS.objTypes.odocument || r.typedef.objtype == FIRSTCLASS.objTypes.formdoc) {
				// not versioned, return the formdoc
				this._sortRow = r;
				break;
			}
		}
	}
};

FIRSTCLASS.layout.Thread.prototype.sortRow = function() {
	if (this._sortRow) {
		return this._sortRow;
	}
	var row = this.rowDefs[this.rowmap[this.rowmap.length-1]].row, r, i;
	if (this.tconfig.originRowIsHeader) {
		r = this.rowDefs[this.rowmap[0]].row;
		if (r.typedef.objtype == FIRSTCLASS.objTypes.fcfile 
			|| r.typedef.objtype == FIRSTCLASS.objTypes.file 
			|| r.typedef.objtype == FIRSTCLASS.objTypes.odocument) {
			row = r;
		}
	}
	if (this.tconfig.blogThreading) {
		for (i in this.rowmap) {
			r = this.rowDefs[this.rowmap[i]].row;
			if (r.typedef.objtype == FIRSTCLASS.objTypes.odocument || r.typedef.objtype == FIRSTCLASS.objTypes.formdoc) {
				// not versioned, return the formdoc
				return r;
			}
		}
	}
	if (this.tconfig.originRowIsSort) {
		row = this.rowDefs[this.rowmap[0]].row;
	}
	if (!row) {
		row = this.initRow;
	}
	return row;
};

YAHOO.register("fcThread", FIRSTCLASS.layout.Thread, {version: "1.0.0", build: "1"});