From 053ddb23a5ec571c937502d783cb752db2bb2f05 Mon Sep 17 00:00:00 2001
From: Fred Chasen <fchasen@gmail.com>
Date: Sun, 27 Jan 2013 19:17:54 -0800
Subject: [PATCH] invalidate stored  page position if chapter is different

---
 fpjs/render/book.js    | 5 ++++-
 fpjs/render/chapter.js | 3 ++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/fpjs/render/book.js b/fpjs/render/book.js
index 488fc53..d9a11f0 100644
--- a/fpjs/render/book.js
+++ b/fpjs/render/book.js
@@ -466,10 +466,13 @@ FP.Book.prototype.chapterTitle = function(){
 
 FP.Book.prototype.startDisplay = function(chapter){
 	var routed,
+		prevChapter = this.spinePos,
 		loaded = function(chapter){
 
 			//-- If there is a saved page, and the pages haven't changed go to it
-			if(this.prevChapterPos && this.prevDisplayedPages == chapter.displayedPages){
+			if(	this.prevChapterPos 
+					&& prevChapter  == chapter.pos
+					&& this.prevDisplayedPages == chapter.displayedPages) {
 				chapter.page(this.prevChapterPos);
 			}
 			
diff --git a/fpjs/render/chapter.js b/fpjs/render/chapter.js
index 4501932..1583f32 100644
--- a/fpjs/render/chapter.js
+++ b/fpjs/render/chapter.js
@@ -3,7 +3,8 @@ FP.Chapter = function(book, pos){
 	this.book = book;
 	this.iframe = this.book.iframe;
 	
-	this.chapInfo = this.book.spine[pos || this.book.spinePos];
+	this.pos = pos || this.book.spinePos
+	this.chapInfo = this.book.spine[this.pos];
 	//-- Get the url to the book from the spine
 	this.path = this.chapInfo.href;
 	this.ID = this.chapInfo.id;