From d36b2a1c5faafcef82479d9ebb6ed89d4a453030 Mon Sep 17 00:00:00 2001
From: Norman Walsh <ndw@nwalsh.com>
Date: Wed, 29 May 2002 18:50:52 +0000
Subject: [PATCH] Implement toc.hide.show in a cross-platform manner

---
 slides/browser/slides.js | 17 +++++++++++++++++
 slides/xsl/slides.xsl    | 16 ++++++++--------
 2 files changed, 25 insertions(+), 8 deletions(-)

diff --git a/slides/browser/slides.js b/slides/browser/slides.js
index 89b706fae..b946c56dc 100644
--- a/slides/browser/slides.js
+++ b/slides/browser/slides.js
@@ -68,3 +68,20 @@ function navigate (evt) {
 	window.location = target;
     }
 }
+
+function toggletoc (img, width, hidegraphic, showgraphic) {
+    var fsc = xbGetElementsByName('FRAMESET',top);
+    if (fsc) {
+	var fs = fsc[0];
+	if (fs) {
+	    if (fs.cols == "0,*") {
+		fs.cols = width + ",*";
+		img.src = hidegraphic;
+	    } else {
+		fs.cols = "0,*";
+		img.src = showgraphic;
+	    }
+	}
+    }
+}
+
diff --git a/slides/xsl/slides.xsl b/slides/xsl/slides.xsl
index d0d39dfb0..9348835af 100644
--- a/slides/xsl/slides.xsl
+++ b/slides/xsl/slides.xsl
@@ -1263,14 +1263,14 @@
           <xsl:call-template name="hidetoc.image"/>
 	</xsl:attribute>
 	<xsl:attribute name="onClick">
-if (parent.parent.document.all.topframe.cols=="0,*") {
-   parent.parent.document.all.topframe.cols="<xsl:value-of select="$toc.width"/>,*";
-   this.src = "<xsl:call-template name="hidetoc.image"/>";
-} else {
-   parent.parent.document.all.topframe.cols="0,*";
-   this.src = "<xsl:call-template name="showtoc.image"/>";
-};
-	</xsl:attribute>
+          <xsl:text>toggletoc(this,</xsl:text>
+          <xsl:value-of select="$toc.width"/>
+          <xsl:text>,'</xsl:text>
+          <xsl:call-template name="hidetoc.image"/>
+          <xsl:text>','</xsl:text>
+          <xsl:call-template name="showtoc.image"/>
+          <xsl:text>');</xsl:text>
+        </xsl:attribute>
       </img>
     </td>
   </xsl:if>
-- 
2.40.0