DDMsgReader.js

		}
		// Ctrl-D: Batch delete (for selected messages)
		else if (lastUserInputUpper == CTRL_D)
		{
			if (this.CanDelete() || this.CanDeleteLastMsg())
			{
				if (this.NumSelectedMessages() > 0)
				{
					console.gotoxy(1, console.screen_rows);
					console.print("\x01n");
					console.clearline();

					// The PromptAndDeleteOrUndeleteSelectedMessages() method will prompt the user for confirmation
					// to delete the message and then delete it if confirmed.
					this.PromptAndDeleteOrUndeleteSelectedMessages({ x: 1, y: console.screen_rows}, true);

					// In case all messages were deleted, if the user can't view deleted messages,
					// show an appropriate message and don't continue listing messages.
					//if (this.NumMessages(true) == 0)
					if (!this.NonDeletedMessagesExist() && !canViewDeletedMsgs())
						continueOn = false;
					else
					{
						// There are still messages to list, so refresh the header & help lines
						this.WriteMsgListScreenTopHeader();
						DisplayHelpLine(this.msgListLightbarModeHelpLine);
					}
				}
				else
				{
					// There are no selected messages
					writeWithPause(1, console.screen_rows, "\x01n\x01h\x01yThere are no selected messages.", ERROR_PAUSE_WAIT_MS, "\x01n", true);
					// Refresh the help line
					DisplayHelpLine(this.msgListLightbarModeHelpLine);
				}
			}
		}
		// U: Undelete message(s)
		else if (lastUserInputUpper == this.msgListKeys.undeleteMessage)
		{
			if (this.CanDelete() || this.CanDeleteLastMsg())
			{
				console.gotoxy(1, console.screen_rows);
				console.print("\x01n");
				console.clearline();
				if (this.NumSelectedMessages() > 0)
				{
					// Multi-message undelete
					this.PromptAndDeleteOrUndeleteSelectedMessages({ x: 1, y: console.screen_rows}, false);
				}
				else
				{
					// Single-message undelete
					this.PromptAndDeleteOrUndeleteMessage(this.lightbarListSelectedMsgIdx, { x: 1, y: console.screen_rows}, false);
				}

				// Refresh the header & help line.
				this.WriteMsgListScreenTopHeader();
				DisplayHelpLine(this.msgListLightbarModeHelpLine);
			}
		}
		else if (lastUserInputUpper == this.msgListKeys.userSettings)
		{
			var userSettingsRetObj = this.DoUserSettings_Scrollable(function(pReader) { DisplayHelpLine(pReader.msgListLightbarModeHelpLine); });
			lastUserInputUpper = "";
			drawMenu = userSettingsRetObj.needWholeScreenRefresh;
			// In case the user changed their twitlist, re-filter the messages for this sub-board
			if (userSettingsRetObj.userTwitListChanged)
			{
				console.gotoxy(1, console.screen_rows);
				console.crlf();
				console.print("\x01nTwitlist changed; re-filtering..");
				var tmpMsgbase = new MsgBase(this.subBoardCode);
				if (tmpMsgbase.open())
				{
					var tmpAllMsgHdrs = tmpMsgbase.get_all_msg_headers(true);
					tmpMsgbase.close();
					this.FilterMsgHdrsIntoHdrsForCurrentSubBoard(tmpAllMsgHdrs, true);
				}
				else
					console.print("\x01y\x01hFailed to open the messagbase!\x01\r\n\x01p");
				this.SetUpLightbarMsgListVars();
				msgListMenu = this.CreateLightbarMsgListMenu();
				drawMenu = true;
			}
			if (userSettingsRetObj.needWholeScreenRefresh)
			{
				this.WriteMsgListScreenTopHeader();
				DisplayHelpLine(this.msgListLightbarModeHelpLine);
			}
			else
				msgListMenu.DrawPartialAbs(userSettingsRetObj.optionBoxTopLeftX, userSettingsRetObj.optionBoxTopLeftY, userSettingsRetObj.optionBoxWidth, userSettingsRetObj.optionBoxHeight);
		}
		// S: Sorting options
		// TODO
		else if (lastUserInputUpper == "S")
		{
			// Refresh the help line
			DisplayHelpLine(this.msgListLightbarModeHelpLine);
		}
	}
	this.lightbarListSelectedMsgIdx = msgListMenu.selectedItemIdx;
	this.lightbarListTopMsgIdx = msgListMenu.topItemIdx;

	return retObj;
}
// For the DigDistMsgLister class: Creates & returns a DDLightbarMenu for
// performing the lightbar message list.
function DigDistMsgReader_CreateLightbarMsgListMenu()
{
	// Start & end indexes for the various items in each message list row
	var msgListIdxes = {
		msgNumStart: 0,
		msgNumEnd: this.MSGNUM_LEN,
		selectMarkStart: this.MSGNUM_LEN,
		selectMarkEnd: this.MSGNUM_LEN+1,
	};
	msgListIdxes.fromNameStart = this.MSGNUM_LEN + 1;
	msgListIdxes.fromNameEnd = msgListIdxes.fromNameStart + +this.FROM_LEN + 1;
	msgListIdxes.toNameStart = msgListIdxes.fromNameEnd;
	msgListIdxes.toNameEnd = msgListIdxes.toNameStart + +this.TO_LEN + 1;
	msgListIdxes.subjStart = msgListIdxes.toNameEnd;
	msgListIdxes.subjEnd = msgListIdxes.subjStart + +this.SUBJ_LEN + 1;
	if (this.showScoresInMsgList)
	{
		msgListIdxes.scoreStart = msgListIdxes.subjEnd;
		msgListIdxes.scoreEnd = msgListIdxes.scoreStart + +this.SCORE_LEN + 1;
		msgListIdxes.dateStart = msgListIdxes.scoreEnd;
	}
	else
		msgListIdxes.dateStart = msgListIdxes.subjEnd;
	msgListIdxes.dateEnd = msgListIdxes.dateStart + +this.DATE_LEN + 1;
	msgListIdxes.timeStart = msgListIdxes.dateEnd;
	msgListIdxes.timeEnd = console.screen_columns - 1; // msgListIdxes.timeStart + +this.TIME_LEN + 1;
	var msgListMenuHeight = console.screen_rows - this.lightbarMsgListStartScreenRow;
	var msgListMenu = new DDLightbarMenu(1, this.lightbarMsgListStartScreenRow, console.screen_columns, msgListMenuHeight);
	msgListMenu.scrollbarEnabled = true;
	msgListMenu.borderEnabled = false;
	msgListMenu.SetColors({
		itemColor: [{start: msgListIdxes.msgNumStart, end: msgListIdxes.msgNumEnd, attrs: this.colors.msgListMsgNumColor},
		            {start: msgListIdxes.selectMarkStart, end: msgListIdxes.selectMarkEnd, attrs: this.colors.selectedMsgMarkColor},
		            {start: msgListIdxes.fromNameStart, end: msgListIdxes.fromNameEnd, attrs: this.colors.msgListFromColor},
		            {start: msgListIdxes.toNameStart, end: msgListIdxes.toNameEnd, attrs: this.colors.msgListToColor},
		            {start: msgListIdxes.subjStart, end: msgListIdxes.subjEnd, attrs: this.colors.msgListSubjectColor},
		            {start: msgListIdxes.dateStart, end: msgListIdxes.dateEnd, attrs: this.colors.msgListDateColor},
		            {start: msgListIdxes.timeStart, end: msgListIdxes.timeEnd, attrs: this.colors.msgListTimeColor}],
		altItemColor: [{start: msgListIdxes.msgNumStart, end: msgListIdxes.msgNumEnd, attrs: this.colors.msgListToUserMsgNumColor},
		               {start: msgListIdxes.selectMarkStart, end: msgListIdxes.selectMarkEnd, attrs: this.colors.selectedMsgMarkColor},
		               {start: msgListIdxes.fromNameStart, end: msgListIdxes.fromNameEnd, attrs: this.colors.msgListToUserFromColor},
		               {start: msgListIdxes.toNameStart, end: msgListIdxes.toNameEnd, attrs: this.colors.msgListToUserToColor},
		               {start: msgListIdxes.subjStart, end: msgListIdxes.subjEnd, attrs: this.colors.msgListToUserSubjectColor},
		               {start: msgListIdxes.dateStart, end: msgListIdxes.dateEnd, attrs: this.colors.msgListToUserDateColor},
		               {start: msgListIdxes.timeStart, end: msgListIdxes.timeEnd, attrs: this.colors.msgListToUserTimeColor}],
		selectedItemColor: [{start: msgListIdxes.msgNumStart, end: msgListIdxes.msgNumEnd, attrs: this.colors.msgListMsgNumHighlightColor},
		                    {start: msgListIdxes.selectMarkStart, end: msgListIdxes.selectMarkEnd, attrs: this.colors.selectedMsgMarkColor + this.colors.msgListHighlightBkgColor},
		                    {start: msgListIdxes.fromNameStart, end: msgListIdxes.fromNameEnd, attrs: this.colors.msgListFromHighlightColor},
		                    {start: msgListIdxes.toNameStart, end: msgListIdxes.toNameEnd, attrs: this.colors.msgListToHighlightColor},
		                    {start: msgListIdxes.subjStart, end: msgListIdxes.subjEnd, attrs: this.colors.msgListSubjHighlightColor},
		                    {start: msgListIdxes.dateStart, end: msgListIdxes.dateEnd, attrs: this.colors.msgListDateHighlightColor},
		                    {start: msgListIdxes.timeStart, end: msgListIdxes.timeEnd, attrs: this.colors.msgListTimeHighlightColor}],
		altSelectedItemColor: [{start: msgListIdxes.msgNumStart, end: msgListIdxes.msgNumEnd, attrs: this.colors.msgListMsgNumHighlightColor},
		                       {start: msgListIdxes.selectMarkStart, end: msgListIdxes.selectMarkEnd, attrs: this.colors.selectedMsgMarkColor + this.colors.msgListHighlightBkgColor},
		                       {start: msgListIdxes.fromNameStart, end: msgListIdxes.fromNameEnd, attrs: this.colors.msgListFromHighlightColor},
		                       {start: msgListIdxes.toNameStart, end: msgListIdxes.toNameEnd, attrs: this.colors.msgListToHighlightColor},
		                       {start: msgListIdxes.subjStart, end: msgListIdxes.subjEnd, attrs: this.colors.msgListSubjHighlightColor},
		                       {start: msgListIdxes.dateStart, end: msgListIdxes.dateEnd, attrs: this.colors.msgListDateHighlightColor},
		                       {start: msgListIdxes.timeStart, end: msgListIdxes.timeEnd, attrs: this.colors.msgListTimeHighlightColor}]
	});
	// If we are to show message vote scores in the list (i.e., if the
	// user's terminal is wide enough), then splice in color specifiers
	// for the score column.
	if (this.showScoresInMsgList)
	{
		msgListMenu.colors.itemColor.splice(5, 0, {start: msgListIdxes.scoreStart, end: msgListIdxes.scoreEnd, attrs: this.colors.msgListScoreColor});
		msgListMenu.colors.altItemColor.splice(5, 0, {start: msgListIdxes.scoreStart, end: msgListIdxes.scoreEnd, attrs: this.colors.msgListToUserScoreColor});
		msgListMenu.colors.selectedItemColor.splice(5, 0, {start: msgListIdxes.scoreStart, end: msgListIdxes.scoreEnd, attrs: this.colors.msgListScoreHighlightColor + this.colors.msgListHighlightBkgColor});
		msgListMenu.colors.altSelectedItemColor.splice(5, 0, {start: msgListIdxes.scoreStart, end: msgListIdxes.scoreEnd, attrs: this.colors.msgListScoreHighlightColor + this.colors.msgListHighlightBkgColor});
	}

	msgListMenu.multiSelect = false;
	msgListMenu.ampersandHotkeysInItems = false;
	msgListMenu.wrapNavigation = false;

	// Add additional keypresses for quitting the menu's input loop so we can
	// respond to these keys
	// Ctrl-A: Select all messages
	var additionalQuitKeys = "EeqQgGcCsS ?0123456789" + CTRL_A + this.msgListKeys.batchDelete + this.msgListKeys.userSettings;
	if (this.CanDelete() || this.CanDeleteLastMsg())
	{
		additionalQuitKeys += this.msgListKeys.deleteMessage + this.msgListKeys.undeleteMessage.toLowerCase() + this.msgListKeys.undeleteMessage.toUpperCase();
		additionalQuitKeys += '\x7f'; // Ensure DEL is in there
		additionalQuitKeys += '\x08'; // Ensure BACKSPACE is in there (can be an alternate for delete)
	}
	if (this.CanEdit())
		additionalQuitKeys += this.msgListKeys.editMsg;
	msgListMenu.AddAdditionalQuitKeys(additionalQuitKeys);

	// Change the menu's NumItems() and GetItem() function to reference
	// the message list in this object rather than add the menu items
	// to the menu
	msgListMenu.msgReader = this; // Add this object to the menu object
	msgListMenu.NumItems = function() {
		return this.msgReader.NumMessages();
	};
	msgListMenu.GetItem = function(pItemIndex) {
		var menuItemObj = this.MakeItemWithRetval(-1);
		var itemIdx = (this.msgReader.reverseListOrder ? this.msgReader.NumMessages() - pItemIndex - 1 : pItemIndex);
		// In order to get vote score information (displayed if the user's terminal is wide
		// enough), the 2nd parameter to GetMsgHdrByIdx() should be true.
		var msgHdr = this.msgReader.GetMsgHdrByIdx(itemIdx, this.msgReader.showScoresInMsgList);
		if (msgHdr != null)
		{
			// When setting the item text, call PrintMessageInfo with true as
			// the last parameter to return the string instead
			menuItemObj.text = strip_ctrl(this.msgReader.PrintMessageInfo(msgHdr, false, itemIdx+1, true));
			menuItemObj.retval = msgHdr.number;
			if (this.msgReader.subBoardCode != "mail")
				menuItemObj.useAltColors = userHandleAliasNameMatch(msgHdr.to);
			// If the message is marked as deleted, ensure the correct color is used
			// for the mark character in the menu
			if ((msgHdr.attr & MSG_DELETE) == MSG_DELETE)
			{
				var fromColor = this.msgReader.colors.msgListFromColor;
				var toColor = this.msgReader.colors.msgListToColor;
				var subjColor = this.msgReader.colors.msgListSubjectColor;
				if ((this.msgReader.subBoardCode != "mail") && (userHandleAliasNameMatch(msgHdr.to)))
				{
					fromColor = this.msgReader.colors.msgListToUserFromColor;
					toColor = this.msgReader.colors.msgListToUserToColor;
					subjColor = this.msgReader.colors.msgListToUserSubjectColor;
				}
				menuItemObj.itemColor = [{start: msgListIdxes.msgNumStart, end: msgListIdxes.msgNumEnd, attrs: this.msgReader.colors.msgListMsgNumColor},
				                         {start: msgListIdxes.selectMarkStart, end: msgListIdxes.selectMarkEnd, attrs: "\x01r\x01h\x01i"},
				                         {start: msgListIdxes.fromNameStart, end: msgListIdxes.fromNameEnd, attrs: fromColor},
				                         {start: msgListIdxes.toNameStart, end: msgListIdxes.toNameEnd, attrs: toColor},
				                         {start: msgListIdxes.subjStart, end: msgListIdxes.subjEnd, attrs: subjColor},
				                         {start: msgListIdxes.dateStart, end: msgListIdxes.dateEnd, attrs: this.msgReader.colors.msgListDateColor},
				                         {start: msgListIdxes.timeStart, end: msgListIdxes.timeEnd, attrs: this.msgReader.colors.msgListTimeColor}];
				menuItemObj.itemSelectedColor = [{start: msgListIdxes.msgNumStart, end: msgListIdxes.msgNumEnd, attrs: this.msgReader.colors.msgListMsgNumHighlightColor},
				                                 {start: msgListIdxes.selectMarkStart, end: msgListIdxes.selectMarkEnd, attrs: "\x01r\x01h\x01i" + this.msgReader.colors.msgListHighlightBkgColor},
				                                 {start: msgListIdxes.fromNameStart, end: msgListIdxes.fromNameEnd, attrs: this.msgReader.colors.msgListFromHighlightColor},
				                                 {start: msgListIdxes.toNameStart, end: msgListIdxes.toNameEnd, attrs: this.msgReader.colors.msgListToHighlightColor},
				                                 {start: msgListIdxes.subjStart, end: msgListIdxes.subjEnd, attrs: this.msgReader.colors.msgListSubjHighlightColor},
				                                 {start: msgListIdxes.dateStart, end: msgListIdxes.dateEnd, attrs: this.msgReader.colors.msgListDateHighlightColor},
				                                 {start: msgListIdxes.timeStart, end: msgListIdxes.timeEnd, attrs: this.msgReader.colors.msgListTimeHighlightColor}];
			}
		}
		return menuItemObj;
	};

	// Adjust the menu indexes to ensure they're correct for the current sub-board
	this.AdjustLightbarMsgListMenuIdxes(msgListMenu);

	return msgListMenu;
}
// For the DigDistMsgLister class: Creates a DDLightbarMenu object for the user to choose
// a message group.
//
// Return value: A DDLightbarMenu object set up to let the user choose a message group
function DigDistMsgReader_CreateLightbarMsgGrpMenu()
{
	// Start & end indexes for the various items in each mssage group list row
	// Selected mark, group#, description, # sub-boards
	var msgGrpListIdxes = {
		markCharStart: 0,
		markCharEnd: 1,
		grpNumStart: 1,
		grpNumEnd: 2 + (+this.areaNumLen)
	};
	msgGrpListIdxes.descStart = msgGrpListIdxes.grpNumEnd;
	msgGrpListIdxes.descEnd = msgGrpListIdxes.descStart + +this.msgGrpDescLen;
	msgGrpListIdxes.numItemsStart = msgGrpListIdxes.descEnd;
	msgGrpListIdxes.numItemsEnd = msgGrpListIdxes.numItemsStart + +this.numItemsLen;
	// Set numItemsEnd to -1 to let the whole rest of the lines be colored
	msgGrpListIdxes.numItemsEnd = -1;
	var listStartRow = this.areaChangeHdrLines.length + 2;
	var msgGrpMenuHeight = console.screen_rows - listStartRow;
	var msgGrpMenu = new DDLightbarMenu(1, listStartRow, console.screen_columns, msgGrpMenuHeight);
	msgGrpMenu.scrollbarEnabled = true;
	msgGrpMenu.borderEnabled = false;
	msgGrpMenu.SetColors({
		itemColor: [{start: msgGrpListIdxes.markCharStart, end: msgGrpListIdxes.markCharEnd, attrs: this.colors.areaChooserMsgAreaMarkColor},
		            {start: msgGrpListIdxes.grpNumStart, end: msgGrpListIdxes.grpNumEnd, attrs: this.colors.areaChooserMsgAreaNumColor},
		            {start: msgGrpListIdxes.descStart, end: msgGrpListIdxes.descEnd, attrs: this.colors.areaChooserMsgAreaDescColor},
		            {start: msgGrpListIdxes.numItemsStart, end: msgGrpListIdxes.numItemsEnd, attrs: this.colors.areaChooserMsgAreaNumItemsColor}],
		selectedItemColor: [{start: msgGrpListIdxes.markCharStart, end: msgGrpListIdxes.markCharEnd, attrs: this.colors.areaChooserMsgAreaMarkColor + this.colors.areaChooserMsgAreaBkgHighlightColor},
		                    {start: msgGrpListIdxes.grpNumStart, end: msgGrpListIdxes.grpNumEnd, attrs: this.colors.areaChooserMsgAreaNumHighlightColor},
		                    {start: msgGrpListIdxes.descStart, end: msgGrpListIdxes.descEnd, attrs: this.colors.areaChooserMsgAreaDescHighlightColor},
		                    {start: msgGrpListIdxes.numItemsStart, end: msgGrpListIdxes.numItemsEnd, attrs: this.colors.areaChooserMsgAreaNumItemsHighlightColor}]
	});

	msgGrpMenu.multiSelect = false;
	msgGrpMenu.ampersandHotkeysInItems = false;
	msgGrpMenu.wrapNavigation = false;

	// Add additional keypresses for quitting the menu's input loop so we can
	// respond to these keys
	msgGrpMenu.AddAdditionalQuitKeys("nNqQ ?0123456789/" + CTRL_F);

	// Change the menu's NumItems() and GetItem() function to reference
	// the message list in this object rather than add the menu items
	// to the menu
	msgGrpMenu.msgReader = this; // Add this object to the menu object
	msgGrpMenu.NumItems = function() {
		return msg_area.grp_list.length;
	};
	msgGrpMenu.GetItem = function(pGrpIndex) {
		var menuItemObj = this.MakeItemWithRetval(-1);
		if ((pGrpIndex >= 0) && (pGrpIndex < msg_area.grp_list.length))
		{
			menuItemObj.text = format(((typeof(bbs.curgrp) == "number") && (pGrpIndex == msg_area.sub[this.msgReader.subBoardCode].grp_index)) ? "*" : " ");
			menuItemObj.text += format(this.msgReader.msgGrpListPrintfStr, +(pGrpIndex+1),
			                           msg_area.grp_list[pGrpIndex].description.substr(0, this.msgReader.msgGrpDescLen),
			                           msg_area.grp_list[pGrpIndex].sub_list.length);
			menuItemObj.text = strip_ctrl(menuItemObj.text);
			menuItemObj.retval = pGrpIndex;
		}

		return menuItemObj;
	};

	// Set the currently selected item to the current group
	msgGrpMenu.selectedItemIdx = msg_area.sub[this.subBoardCode].grp_index;
	if (msgGrpMenu.selectedItemIdx >= msgGrpMenu.topItemIdx+msgGrpMenu.GetNumItemsPerPage())
		msgGrpMenu.topItemIdx = msgGrpMenu.selectedItemIdx - msgGrpMenu.GetNumItemsPerPage() + 1;

	return msgGrpMenu;
}
// For the DigDistMsgLister class: Creates a DDLightbarMenu object for the user to choose
// a sub-board within a message group.
//
// Parameters:
//  pGrpIdx: The index of the group to list sub-boards for
//
// Return value: A DDLightbarMenu object set up to let the user choose a sub-board within the
//               given message group
function DigDistMsgReader_CreateLightbarSubBoardMenu(pGrpIdx)
{
	// Start & end indexes for the various items in each sub-board list row
	// Selected mark, group#, description, # sub-boards
	var subBrdListIdxes = {
		markCharStart: 0,
		markCharEnd: 1,
		subNumStart: 1,
		subNumEnd: 2 + (+this.areaNumLen)
	};
	subBrdListIdxes.descStart = subBrdListIdxes.subNumEnd;
	subBrdListIdxes.descEnd = subBrdListIdxes.descStart + +(this.subBoardListPrintfInfo[pGrpIdx].nameLen) + 1;
	subBrdListIdxes.numItemsStart = subBrdListIdxes.descEnd;
	subBrdListIdxes.numItemsEnd = subBrdListIdxes.numItemsStart + +(this.subBoardListPrintfInfo[pGrpIdx].numMsgsLen) + 1;
	subBrdListIdxes.dateStart = subBrdListIdxes.numItemsEnd;
	subBrdListIdxes.dateEnd = subBrdListIdxes.dateStart + +this.dateLen + 1;
	subBrdListIdxes.timeStart = subBrdListIdxes.dateEnd;
	// Set timeEnd to -1 to let the whole rest of the lines be colored
	subBrdListIdxes.timeEnd = -1;
	var listStartRow = this.areaChangeHdrLines.length + 3;
	var subBrdMenuHeight = console.screen_rows - listStartRow;
	var subBoardMenu = new DDLightbarMenu(1, listStartRow, console.screen_columns, subBrdMenuHeight);
	subBoardMenu.scrollbarEnabled = true;
	subBoardMenu.borderEnabled = false;
	subBoardMenu.SetColors({
		itemColor: [{start: subBrdListIdxes.markCharStart, end: subBrdListIdxes.markCharEnd, attrs: this.colors.areaChooserMsgAreaMarkColor},
		            {start: subBrdListIdxes.subNumStart, end: subBrdListIdxes.subNumEnd, attrs: this.colors.areaChooserMsgAreaNumColor},
		            {start: subBrdListIdxes.descStart, end: subBrdListIdxes.descEnd, attrs: this.colors.areaChooserMsgAreaDescColor},
		            {start: subBrdListIdxes.numItemsStart, end: subBrdListIdxes.numItemsEnd, attrs: this.colors.areaChooserMsgAreaNumItemsColor},
		            {start: subBrdListIdxes.dateStart, end: subBrdListIdxes.dateEnd, attrs: this.colors.areaChooserMsgAreaLatestDateColor},
		            {start: subBrdListIdxes.timeStart, end: subBrdListIdxes.timeEnd, attrs: this.colors.areaChooserMsgAreaLatestTimeColor}],
		selectedItemColor: [{start: subBrdListIdxes.markCharStart, end: subBrdListIdxes.markCharEnd, attrs: this.colors.areaChooserMsgAreaMarkColor + this.colors.areaChooserMsgAreaBkgHighlightColor},
		                    {start: subBrdListIdxes.subNumStart, end: subBrdListIdxes.subNumEnd, attrs: this.colors.areaChooserMsgAreaNumHighlightColor},
		                    {start: subBrdListIdxes.descStart, end: subBrdListIdxes.descEnd, attrs: this.colors.areaChooserMsgAreaDescHighlightColor},
		                    {start: subBrdListIdxes.numItemsStart, end: subBrdListIdxes.numItemsEnd, attrs: this.colors.areaChooserMsgAreaNumItemsHighlightColor},
		                    {start: subBrdListIdxes.dateStart, end: subBrdListIdxes.dateEnd, attrs: this.colors.areaChooserMsgAreaDateHighlightColor},
		                    {start: subBrdListIdxes.timeStart, end: subBrdListIdxes.timeEnd, attrs: this.colors.areaChooserMsgAreaTimeHighlightColor}]
	});

	subBoardMenu.multiSelect = false;
	subBoardMenu.ampersandHotkeysInItems = false;
	subBoardMenu.wrapNavigation = false;

	// Add additional keypresses for quitting the menu's input loop so we can
	// respond to these keys
	subBoardMenu.AddAdditionalQuitKeys("nNqQ ?0123456789/" + CTRL_F);

	// Change the menu's NumItems() and GetItem() function to reference
	// the message list in this object rather than add the menu items
	// to the menu
	subBoardMenu.msgReader = this; // Add this object to the menu object
	subBoardMenu.grpIdx = pGrpIdx;
	subBoardMenu.NumItems = function() {
		return msg_area.grp_list[pGrpIdx].sub_list.length;
	};
	subBoardMenu.GetItem = function(pSubIdx) {
		var menuItemObj = this.MakeItemWithRetval(-1);
		if ((pSubIdx >= 0) && (pSubIdx < msg_area.grp_list[this.grpIdx].sub_list.length))
		{
			//var highlight = (msg_area.grp_list[this.grpIdx].sub_list[pSubIdx].code.toUpperCase() == this.msgReader.subBoardCode.toUpperCase());
			menuItemObj.text = this.msgReader.GetMsgSubBoardLine(this.grpIdx, pSubIdx, false);
			menuItemObj.text = strip_ctrl(menuItemObj.text);
			menuItemObj.retval = pSubIdx;
		}

		return menuItemObj;
	};

	// Set the currently selected item to the current group
	if (msg_area.sub[this.subBoardCode].grp_index == pGrpIdx)
	{
		subBoardMenu.selectedItemIdx = msg_area.sub[this.subBoardCode].index;
		if (subBoardMenu.selectedItemIdx >= subBoardMenu.topItemIdx+subBoardMenu.GetNumItemsPerPage())
			subBoardMenu.topItemIdx = subBoardMenu.selectedItemIdx - subBoardMenu.GetNumItemsPerPage() + 1;
	}
	else
	{
		subBoardMenu.selectedItemIdx = 0;
		subBoardMenu.topItemIdx = 0;
	}

	return subBoardMenu;
}
// For the DigDistMsgLister class: Adjusts lightbar menu indexes for a message list menu
function DigDistMsgReader_AdjustLightbarMsgListMenuIdxes(pMsgListMenu)
{
	pMsgListMenu.selectedItemIdx = this.lightbarListSelectedMsgIdx;
	pMsgListMenu.topItemIdx = this.lightbarListTopMsgIdx;

	// In the DDLightbarMenu class, the top index on the last page should
	// allow for displaying a full page of items.  So if
	// this.lightbarListTopMsgIdx is beyond the top index for the last
	// page in the menu object, then adjust this.lightbarListTopMsgIdx.
	var menuTopItemIdxOnLastPage = pMsgListMenu.GetTopItemIdxOfLastPage();
	if (pMsgListMenu.topItemIdx > menuTopItemIdxOnLastPage)
	{
		pMsgListMenu.topItemIdx = menuTopItemIdxOnLastPage;
		this.lightbarListTopMsgIdx = menuTopItemIdxOnLastPage;
	}
	// TODO: Ensure this.lightbarListTopMsgIdx is always correct for the last page
}
// For the DigDistMsgListerClass: Prints a line of information about
// a message.
//
// Parameters:
//  pMsgHeader: The message header object, returned by MsgBase.get_msg_header().
//  pHighlight: Optional boolean - Whether or not to highlight the line (true) or
//              use the standard colors (false).
//  pMsgNum: Optional - A number to use for the message instead of the number/offset
//           in the message header
//  pReturnStrInstead: Optional boolean - Whether or not to return a formatted string
//                     instead of printing to the console.  Defaults to false.
function DigDistMsgReader_PrintMessageInfo(pMsgHeader, pHighlight, pMsgNum, pReturnStrInstead)
{
	// pMsgHeader must be a valid object.
	if (typeof(pMsgHeader) == "undefined")
		return;
	if (pMsgHeader == null)
		return;

	var highlight = false;
	if (typeof(pHighlight) == "boolean")
		highlight = pHighlight;

	// Get the message's import date & time as strings.  If
	// this.msgList_displayMessageDateImported is true, use the message import date.
	// Otherwise, use the message written date.
	var sDate;
	var sTime;
	if (this.msgList_displayMessageDateImported)
	{
		sDate = strftime("%Y-%m-%d", pMsgHeader.when_imported_time);
		sTime = strftime("%H:%M:%S", pMsgHeader.when_imported_time);
	}
	else
	{
		//sDate = strftime("%Y-%m-%d", pMsgHeader.when_written_time);
		//sTime = strftime("%H:%M:%S", pMsgHeader.when_written_time);
		var msgWrittenLocalTime = msgWrittenTimeToLocalBBSTime(pMsgHeader);
		if (msgWrittenLocalTime != -1)
		{
			sDate = strftime("%Y-%m-%d", msgWrittenLocalTime);
			sTime = strftime("%H:%M:%S", msgWrittenLocalTime);
		}
		else
		{
			sDate = strftime("%Y-%m-%d", pMsgHeader.when_written_time);
			sTime = strftime("%H:%M:%S", pMsgHeader.when_written_time);
		}
	}

	//var msgNum = (typeof(pMsgNum) == "number" ? pMsgNum : pMsgHeader.offset+1);
	var msgNum = (typeof(pMsgNum) == "number" ? pMsgNum : this.GetMsgIdx(pMsgHeader.number)+1);
	if (msgNum == 0) // In case GetMsgIdx() returns -1 for failure
		msgNum = 1;

	// Determine if the message has been deleted.
	var msgDeleted = ((pMsgHeader.attr & MSG_DELETE) == MSG_DELETE);

	// msgIndicatorChar will contain (possibly) a character to display after
	// the message number to indicate whether it has been deleted, selected,
	// etc.  If not, then it will just be a space.
	var msgIndicatorChar = " ";

	// Get the message score value
	var msgVoteInfo = getMsgUpDownvotesAndScore(pMsgHeader);
	// Ensure the score number can fit within 4 digits
	if (msgVoteInfo.voteScore > 9999)
		msgVoteInfo.voteScore = 9999;
	else if (msgVoteInfo.voteScore < -999)
		msgVoteInfo.voteScore = -999;

	// Generate the string with the message header information.
	var msgHdrStr = "";
	// Note: The message header has the following fields:
	// 'number': The message number
	// 'offset': The message offset
	// 'to': Who the message is directed to (string)
	// 'from' Who wrote the message (string)
	// 'subject': The message subject (string)
	// 'date': The date - Full text (string)
	// To access one of these, use brackets; i.e., msgHeader['to']
	if (highlight)
	{
		// For any indicator character next to the message, prioritize selected, then deleted, then attachments
		if (this.MessageIsSelected(this.subBoardCode, msgNum-1))
			msgIndicatorChar = "\x01n" + this.colors.selectedMsgMarkColor + this.colors.msgListHighlightBkgColor + CHECK_CHAR + "\x01n";
		else if (msgDeleted)
			msgIndicatorChar = "\x01n\x01r\x01h\x01i" + this.colors.msgListHighlightBkgColor + "*\x01n";
		else if (msgHdrHasAttachmentFlag(pMsgHeader))
			msgIndicatorChar = "\x01n" + this.colors.selectedMsgMarkColor + this.colors.msgListHighlightBkgColor + "A\x01n";
		var fromName = pMsgHeader.from;
		// If the message was posted anonymously and the logged-in user is
		// not the sysop, then show "Anonymous" for the 'from' name.
		if (!user.is_sysop && ((pMsgHeader.attr & MSG_ANONYMOUS) == MSG_ANONYMOUS))
			fromName = "Anonymous";
		if (this.showScoresInMsgList)
		{
			msgHdrStr += format(this.sMsgInfoFormatHighlightStr, msgNum, msgIndicatorChar,
			       fromName.substr(0, this.FROM_LEN),
			       pMsgHeader.to.substr(0, this.TO_LEN),
			       pMsgHeader.subject.substr(0, this.SUBJ_LEN),
			       msgVoteInfo.voteScore, sDate, sTime);
		}
		else
		{
			msgHdrStr += format(this.sMsgInfoFormatHighlightStr, msgNum, msgIndicatorChar,
			       fromName.substr(0, this.FROM_LEN),
			       pMsgHeader.to.substr(0, this.TO_LEN),
			       pMsgHeader.subject.substr(0, this.SUBJ_LEN),
			       sDate, sTime);
		}
	}
	else
	{
		// For any indicator character next to the message, prioritize selected, then deleted, then attachments
		if (this.MessageIsSelected(this.subBoardCode, msgNum-1))
			msgIndicatorChar = "\x01n" +  this.colors.selectedMsgMarkColor + CHECK_CHAR + "\x01n";
		else if (msgDeleted)
			msgIndicatorChar = "\x01n\x01r\x01h\x01i*\x01n";
		else if (msgHdrHasAttachmentFlag(pMsgHeader))
			msgIndicatorChar = "\x01n" +  this.colors.selectedMsgMarkColor + "A\x01n";

		// Determine whether to use the normal, "to-user", or "from-user" format string.
		// The differences are the colors.  Then, output the message information line.
		var toNameUpper = pMsgHeader.to.toUpperCase();
		var msgToUser = ((toNameUpper == user.alias.toUpperCase()) || (toNameUpper == user.name.toUpperCase()) || (toNameUpper == user.handle.toUpperCase()));
		var fromNameUpper = pMsgHeader.from.toUpperCase();
		var msgIsFromUser = ((fromNameUpper == user.alias.toUpperCase()) || (fromNameUpper == user.name.toUpperCase()) || (fromNameUpper == user.handle.toUpperCase()));
		var formatStr = ""; // Format string for printing the message information
		if (this.readingPersonalEmail)
			formatStr = this.sMsgInfoFormatStr;
		else
			formatStr = (msgToUser ? this.sMsgInfoToUserFormatStr : (msgIsFromUser ? this.sMsgInfoFromUserFormatStr : this.sMsgInfoFormatStr));
		var fromName = pMsgHeader.from;
		// If the message was posted anonymously and the logged-in user is
		// not the sysop, then show "Anonymous" for the 'from' name.
		if (!user.is_sysop && ((pMsgHeader.attr & MSG_ANONYMOUS) == MSG_ANONYMOUS))
			fromName = "Anonymous";
		if (this.showScoresInMsgList)
		{
			msgHdrStr += format(formatStr, msgNum, msgIndicatorChar, fromName.substr(0, this.FROM_LEN),
			       pMsgHeader.to.substr(0, this.TO_LEN), pMsgHeader.subject.substr(0, this.SUBJ_LEN),
			       msgVoteInfo.voteScore, sDate, sTime);
		}
		else
		{
			msgHdrStr += format(formatStr, msgNum, msgIndicatorChar, fromName.substr(0, this.FROM_LEN),
			       pMsgHeader.to.substr(0, this.TO_LEN), pMsgHeader.subject.substr(0, this.SUBJ_LEN),
			       sDate, sTime);
		}
	}

	var returnStrInstead = (typeof(pReturnStrInstead) == "boolean" ? pReturnStrInstead : false);
	if (!returnStrInstead)
	{
		console.print(msgHdrStr);
		console.cleartoeol("\x01n"); // To clear away any extra text that may have been entered by the user
	}
	return msgHdrStr;
}
// For the traditional interface of DigDistMsgListerClass: Prompts the user to
// continue or read a message (by number).
//
// Parameters:
//  pStart: Whether or not we're on the first page (true or false)
//  pEnd: Whether or not we're at the last page (true or false)
//  pAllowChgSubBoard: Optional - A boolean to specify whether or not to allow
//                     changing to another sub-board.  Defaults to true.
//
// Return value: An object with the following properties:
//               continueOn: Boolean, whether or not the user wants to continue
//                           listing the messages
//               userInput: The user's input
//               selectedMsgOffset: The offset of the message selected to read,
//                                  if one was selected.  If a message was not
//                                  selected, this will be -1.
function DigDistMsgReader_PromptContinueOrReadMsg(pStart, pEnd, pAllowChgSubBoard)
{
	// Create the return object and set some initial default values
	var retObj = {
		continueOn: true,
		userInput: "",
		selectedMsgOffset: -1
	};

	var allowChgSubBoard = (typeof(pAllowChgSubBoard) == "boolean" ? pAllowChgSubBoard : true);

	var continueOn = true;
	// Prompt the user whether or not to continue or to read a message
	// (by message number).  Make use of the different prompt texts,
	// depending whether we're at the beginning, in the middle, or at
	// the end of the message list.
	var userInput = "";
	var allowedKeys = "?GS"; // ? = help, G = Go to message #, S = Select message(s), Ctrl-D: Batch delete
	allowedKeys += this.msgListKeys.userSettings;
	if (allowChgSubBoard)
		allowedKeys += "C"; // Change to another message area
	if (this.CanDelete() || this.CanDeleteLastMsg())
	{
		allowedKeys += "D"; // Delete
		allowedKeys += this.enhReaderKeys.deleteMessage;
		allowedKeys += '\x7f';
		allowedKeys += '\x08';
	}
	if (this.CanEdit())
		allowedKeys += "E"; // Edit
	if (pStart && pEnd)
	{
		// This is the only page.
		console.print(this.msgListOnlyOnePageContinuePrompt);
		// Get input from the user.  Allow only Q (quit).
		allowedKeys += "Q";
	}
	else if (pStart)
	{
		// We're on the first page.
		console.print(this.sStartContinuePrompt);
		// Get input from the user.  Allow only L (last), N (next), or Q (quit).
		allowedKeys += "LNQ";
	}
	else if (pEnd)
	{
		// We're on the last page.
		console.print(this.sEndContinuePrompt);
		// Get input from the user.  Allow only F (first), P (previous), or Q (quit).
		allowedKeys += "FPQ";
	}
	else
	{
		// We're neither on the first nor last page.  Allow F (first), L (last),
		// N (next), P (previous), or Q (quit).
		console.print(this.sContinuePrompt);
		allowedKeys += "FLNPQ";
	}
	// Get the user's input.  Allow CTRL-D (batch delete) without echoing it.
	// If the user didn't press CTRL-L, allow the keys in allowedKeys or a number from 1
	// to the highest message number.
	userInput = console.getkey(K_NOECHO);
	if (userInput != CTRL_D)
	{
		console.ungetstr(userInput);
		userInput = console.getkeys(allowedKeys, this.HighestMessageNum()).toString();
	}
	if (userInput == "Q")
		continueOn = false;

	// If the user has typed all numbers, then read that message.
	if ((userInput != "") && /^[0-9]+$/.test(userInput))
	{
		// If the user entered a valid message number, then let the user read the message.
		// The message number might be invalid if there are search results that
		// have non-continuous message numbers.
		if (this.IsValidMessageNum(userInput))
		{
			// See if the current message header has our "isBogus" property and it's true.
			// Only let the user read the message if it's not a bogus message header.
			// The message header could have the "isBogus" property, for instance, if
			// it's a vote message (introduced in Synchronet 3.17).
			var tmpMsgHdr = this.GetMsgHdrByIdx(+(userInput-1), false);
			var hdrIsBogus = (tmpMsgHdr.hasOwnProperty("isBogus") ? tmpMsgHdr.isBogus : false);
			if (!hdrIsBogus)
			{
				// Confirm with the user whether to read the message
				var readMsg = true;
				if (this.promptToReadMessage)
				{
					var sReadMsgConfirmText = this.colors["readMsgConfirmColor"]
											+ "Read message "
											+ this.colors["readMsgConfirmNumberColor"]
											+ userInput + this.colors["readMsgConfirmColor"]
											+ ": Are you sure";
					readMsg = console.yesno(sReadMsgConfirmText);
				}
				if (readMsg)
				{
					// Update the message list screen variables
					this.CalcMsgListScreenIdxVarsFromMsgNum(+userInput);
					// Return from here so that the calling function can switch
					// into reader mode.
					retObj.continueOn = continueOn;
					retObj.userInput = userInput;
					retObj.selectedMsgOffset = userInput-1;
					return retObj;
				}
				else
					this.deniedReadingMessage = true;

				// Prompt the user whether or not to continue listing
				// messages.
				if (this.promptToContinueListingMessages)
				{
					continueOn = console.yesno(this.colors["afterReadMsg_ListMorePromptColor"] +
											   "Continue listing messages");
				}
			}
			else
			{
				console.print("\x01n\x01h\x01yThat's not a readable message.\x01n");
				console.crlf();
				console.pause();
			}
		}
		else
		{
			// The user entered an invalid message number.
			console.print("\x01n\x01h\x01w" + userInput + " \x01y is not a valid message number.\x01n");
			console.crlf();
			console.pause();
			continueOn = true;
		}
	}

	// Make sure color highlighting is turned off
	console.print("\x01n");

	// Fill the return object with the required values, and return it.
	retObj.continueOn = continueOn;
	retObj.userInput = userInput;
	return retObj;
}
// For the DigDistMsgReader Class: Given a message number of a message in the
// current message area, lets the user read a message and allows the user to
// respond, etc.  This is an enhanced version that allows scrolling up & down
// the message with the up & down arrow keys, and the left & right arrow keys
// will return from the function to allow calling code to navigate back & forth
// through the message sub-board.
//
// Parameters:
//  pOffset: The offset of the message to be read
//  pAllowChgArea: Optional boolean - Whether or not to allow changing the
//                 message area
//
// Return value: And object with the following properties:
//               offsetValid: Boolean - Whether or not the passed-in offset was valid
//               msgDeleted: Boolean - Whether or not the message is marked as deleted
//                           (not deleted by the user in the reader)
//               userReplied: Boolean - Whether or not the user replied to the message.
//               lastKeypress: The last keypress from the user - For navigation purposes
//               newMsgOffset: The offset of another message to read, if the user
//                             input another message number.  If the user did not
//                             input another message number, this will be -1.
//               nextAction: The next action for the caller to take.  This will be
//                           one of the values specified by the ACTION_* constants.
//                           This defaults to ACTION_NONE on error.
//               refreshEnhancedRdrHelpLine: Boolean - Whether or not to refresh the
//                                           enhanced reader help line on the screen
//                                           (for instance, if switched to the traditional
//                                            non-scrolling interface to read the message)
function DigDistMsgReader_ReadMessageEnhanced(pOffset, pAllowChgArea)
{
	var retObj = {
		offsetValid: true,
		msgNotReadable: false,
		userReplied: false,
		lastKeypress: "",
		newMsgOffset: -1,
		nextAction: ACTION_NONE,
		refreshEnhancedRdrHelpLine: false
	};
	
	// Get the message header.  Don't expand fields since we may need to save
	// the header later with the MSG_READ attribute.
	//var msgHeader = this.GetMsgHdrByIdx(pOffset, false);
	// Get the message header.  Get expanded fields so that we can show any
	// voting stats/responses that may be included with the message.
	var msgHeader = this.GetMsgHdrByIdx(pOffset, true);
	if (msgHeader == null)
	{
		//console.print("\x01n" + replaceAtCodesInStr(format(this.text.invalidMsgNumText, +(pOffset+1))) + "\x01n");
		//console.crlf();
		console.putmsg("\x01n" + format(this.text.invalidMsgNumText, +(pOffset+1)) + "\x01n");
		console.inkey(K_NONE, ERROR_PAUSE_WAIT_MS);
		retObj.offsetValid = false;
		return retObj;
	}

	// If this message is not readable for the user (it's marked as deleted and
	// the system is set to not show deleted messages, etc.), then don't let the
	// user read it, and just silently return.
	// TODO: If the message is not readable, this will end up causing an infinite loop.
	retObj.msgNotReadable = !isReadableMsgHdr(msgHeader, this.subBoardCode);
	if (retObj.msgNotReadable)
		return retObj;

	// Update the message list index variables so that the message list is in
	// the right spot for the message currently being read
	this.CalcMsgListScreenIdxVarsFromMsgNum(pOffset+1);

	// Check the pAllowChgArea parameter.  If it's a boolean, then use it.  If
	// not, then check to see if we're reading personal mail - If not, then allow
	// the user to change to a different message area.
	var allowChgMsgArea = true;
	if (typeof(pAllowChgArea) == "boolean")
		allowChgMsgArea = pAllowChgArea;
	else
		allowChgMsgArea = (this.subBoardCode != "mail");

	// Get the message text and see if it has any ANSI codes.  Remove any pause
	// codes it might have.  If it has ANSI codes, then don't use the scrolling
	// interface so that the ANSI gets displayed properly.
	var messageText = this.GetMsgBody(msgHeader);

	if (msgHdrHasAttachmentFlag(msgHeader))
	{
		messageText = "\x01n\x01g\x01h- This message contains one or more attachments. Press CTRL-A to download.\x01n\r\n"
		            + "\x01n\x01g\x01h--------------------------------------------------------------------------\x01n\r\n"
		            + messageText;
	}
	var useScrollingInterface = this.scrollingReaderInterface && console.term_supports(USER_ANSI);
	// If we switch to the non-scrolling interface here, then the calling method should
	// refresh the enhanced reader help line on the screen.
	retObj.refreshEnhancedRdrHelpLine = (this.scrollingReaderInterface && !useScrollingInterface);
	// If the current message is new to the user, update the number of posts read this session.
	if (pOffset > this.GetScanPtrMsgIdx())
		++bbs.posts_read;
	// Use the scrollable reader interface if the setting is enabled & the user's
	// terminal supports ANSI.  Otherwise, use a more traditional user interface.
	if (useScrollingInterface)
		retObj = this.ReadMessageEnhanced_Scrollable(msgHeader, allowChgMsgArea, messageText, pOffset);
	else
		retObj = this.ReadMessageEnhanced_Traditional(msgHeader, allowChgMsgArea, messageText, pOffset);

	// Mark the message as read if it was written to the current user
	if (userNameHandleAliasMatch(msgHeader.to) && ((msgHeader.attr & MSG_READ) == 0))
	{
		// Using applyAttrsInMsgHdrInMessagbase(), which loads the header without
		// expanded fields and saves the attributes with that header.
		var saveRetObj = applyAttrsInMsgHdrInMessagbase(this.subBoardCode, msgHeader.number, MSG_READ);
		if (this.SearchTypePopulatesSearchResults() && saveRetObj.saveSucceeded)
			this.RefreshHdrInSavedArrays(pOffset, MSG_READ, true);
	}

	// If not reading personal email and not doing a search, then update the
	// scan & last read message pointers.
	if ((this.subBoardCode != "mail") && (this.searchType == SEARCH_NONE))
	{
		if (msgHeader.number > GetScanPtrOrLastMsgNum(this.subBoardCode))
			msg_area.sub[this.subBoardCode].scan_ptr = msgHeader.number;
		msg_area.sub[this.subBoardCode].last_read = msgHeader.number;
	}

	return retObj;
}
// Helper method for ReadMessageEnhanced() - Does the scrollable reader interface
function DigDistMsgReader_ReadMessageEnhanced_Scrollable(msgHeader, allowChgMsgArea, messageText, pOffset)
{
	var retObj = {
		offsetValid: true,
		msgNotReadable: false,
		userReplied: false,
		lastKeypress: "",
		newMsgOffset: -1,
		nextAction: ACTION_NONE,
		refreshEnhancedRdrHelpLine: false
	};

	// This is a scrollbar update function for use when viewing the message.
	function msgScrollbarUpdateFn(pFractionToLastPage)
	{
		// Update the scrollbar position for the message, depending on the
		// value of pFractionToLastMessage.
		fractionToLastPage = pFractionToLastPage;
		solidBlockStartRow = msgReaderObj.msgAreaTop + Math.floor(numNonSolidScrollBlocks * pFractionToLastPage);
		if (solidBlockStartRow != solidBlockLastStartRow)
			msgReaderObj.UpdateEnhancedReaderScollbar(solidBlockStartRow, solidBlockLastStartRow, numSolidScrollBlocks);
		solidBlockLastStartRow = solidBlockStartRow;
		console.gotoxy(1, console.screen_rows);
	}
	// This is a scrollbar update function for use when viewing the header info/kludge lines.
	function msgInfoScrollbarUpdateFn(pFractionToLastPage)
	{
		var infoSolidBlockStartRow = msgReaderObj.msgAreaTop + Math.floor(numNonSolidInfoScrollBlocks * pFractionToLastPage);
		if (infoSolidBlockStartRow != lastInfoSolidBlockStartRow)
			msgReaderObj.UpdateEnhancedReaderScollbar(infoSolidBlockStartRow, lastInfoSolidBlockStartRow, numInfoSolidScrollBlocks);
		lastInfoSolidBlockStartRow = infoSolidBlockStartRow;
		console.gotoxy(1, console.screen_rows);
	}

	var msgAreaWidth = this.useEnhReaderScrollbar ? this.msgAreaWidth : this.msgAreaWidth + 1;

	// We could word-wrap the message to ensure words aren't split across lines, but
	// doing so could make some messages look bad (i.e., messages with drawing characters),
	// and word_wrap also might not handle ANSI or other color/attribute codes..
	//if (!textHasDrawingChars(messageText))
	//	messageText = word_wrap(messageText, msgAreaWidth);

	// If the message has ANSI content, then use a Graphic object to help make
	// the message look good.  Also, remove any ANSI clear screen codes from the
	// message text.
	var msgHasANSICodes = messageText.indexOf("\x1b[") >= 0;
	if (msgHasANSICodes)
	{
		messageText = messageText.replace(/\u001b\[[012]J/gi, "");
		//var graphic = new Graphic(msgAreaWidth, this.msgAreaHeight-1);
		// To help ensure ANSI messages look good, it seems the Graphic object should have
		// its with later set to 1 less than the width used to create it.
		var graphicWidth = (msgAreaWidth < console.screen_columns ? msgAreaWidth+1 : console.screen_columns);
		var graphic = new Graphic(graphicWidth, this.msgAreaHeight-1);
		graphic.auto_extend = true;
		graphic.ANSI = ansiterm.expand_ctrl_a(messageText);
		//graphic.normalize();
		graphic.width = graphicWidth - 1;
		//messageText = graphic.MSG.split('\n');
		messageText = graphic.MSG;
	}

	// Show the message header
	this.DisplayEnhancedMsgHdr(msgHeader, pOffset+1, 1);

	// Get the message text, interpret any @-codes in it, replace tabs with spaces
	// to prevent weirdness when displaying the message lines, and word-wrap the
	// text so that it looks good on the screen,
	var msgInfo = this.GetMsgInfoForEnhancedReader(msgHeader, true, true, true, messageText);

	var topMsgLineIdxForLastPage = msgInfo.topMsgLineIdxForLastPage;
	var numSolidScrollBlocks = msgInfo.numSolidScrollBlocks;
	var numNonSolidScrollBlocks = msgInfo.numNonSolidScrollBlocks;
	var solidBlockStartRow = msgInfo.solidBlockStartRow;
	var solidBlockLastStartRow = solidBlockStartRow;
	var topMsgLineIdx = 0;
	var fractionToLastPage = 0;
	if (topMsgLineIdxForLastPage != 0)
		fractionToLastPage = topMsgLineIdx / topMsgLineIdxForLastPage;

	// If use of the scrollbar is enabled, draw an initial scrollbar on the rightmost
	// column of the message area showing the fraction of the message shown and what
	// part of the message is currently being shown.  The scrollbar will be updated
	// minimally in the input loop to minimize screen redraws.
	if (this.useEnhReaderScrollbar)
		this.DisplayEnhancedReaderWholeScrollbar(solidBlockStartRow, numSolidScrollBlocks);

	// Input loop (for scrolling the message up & down)
	var msgLineFormatStr = "%-" + msgAreaWidth + "s";
	var writeMessage = true;
	// msgAreaHeight, msgReaderObj, and scrollbarUpdateFunction are for use
	// with scrollTextLines().
	var msgAreaHeight = this.msgAreaBottom - this.msgAreaTop + 1;
	var msgReaderObj = this;

	var msgHasAttachments = msgHdrHasAttachmentFlag(msgHeader);
	// User input loop
	var continueOn = true;
	while (continueOn)
	{
		// Display the message lines (depending on the value of writeMessage)
		// and handle scroll keys via scrollTextLines().  Handle other keypresses
		// here.
		var scrollbarInfoObj = {
			solidBlockLastStartRow: 0,
			numSolidScrollBlocks: 0
		};
		scrollbarInfoObj.solidBlockLastStartRow = solidBlockLastStartRow;
		scrollbarInfoObj.numSolidScrollBlocks = numSolidScrollBlocks;
		var scrollRetObj = scrollTextLines(msgInfo.messageLines, topMsgLineIdx,
									   this.colors.msgBodyColor, writeMessage,
									   this.msgAreaLeft, this.msgAreaTop, msgAreaWidth,
									   msgAreaHeight, 1, console.screen_rows, this.useEnhReaderScrollbar,
									   msgScrollbarUpdateFn, scrollbarInfoObj);
		topMsgLineIdx = scrollRetObj.topLineIdx;
		retObj.lastKeypress = scrollRetObj.lastKeypress;
		switch (retObj.lastKeypress)
		{
			case this.enhReaderKeys.deleteMessage: // Delete message