From f7d6278e62d699c4015b0bb600d9a67feef51481 Mon Sep 17 00:00:00 2001
From: Dan Vanderkam <danvdk@gmail.com>
Date: Thu, 26 Nov 2009 20:44:51 -0500
Subject: [PATCH] clear div

---
 dygraph.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dygraph.js b/dygraph.js
index ea1f904..9b4c3bb 100644
--- a/dygraph.js
+++ b/dygraph.js
@@ -155,6 +155,10 @@ Dygraph.prototype.__init__ = function(div, file, attrs) {
   this.wilsonInterval_ = attrs.wilsonInterval || true;
   this.customBars_ = attrs.customBars || false;
 
+  // Clear the div. This ensure that, if multiple dygraphs are passed the same
+  // div, then only one will be drawn.
+  div.innerHTML = "";
+
   // If the div isn't already sized then give it a default size.
   if (div.style.width == '') {
     div.style.width = Dygraph.DEFAULT_WIDTH + "px";
-- 
2.7.4