Add missing var declaration

README

@@ -2,7 +2,8 @@
 // Charting class for Mootools using Canvas
 //
 // MIT-style license. Copyright 2010 Matt V. Murphy | bW11cnBoMjExQGdtYWlsLmNvbQ==
-// Requires Mootools 1.3 and Mootools 1.3 More (Class.Binds, Color) and ExCanvas for Internet Explorer support
+// Requires Mootools 1.3 and Mootools 1.3 More (Class.Binds, Color)
+// Requires ExCanvas for Internet Explorer 6-8 support
 // Credits to Greg Houston (http://demos.greghoustondesign.com/piechart/)
 //
 //////////////////////////////////////////////////////////////////////////
@@ -14,7 +15,7 @@
 //////////////////////////////////////////////////////////////////////////
 // Features:
 //
-// - Cross browser compatible (Internet Explorer, FireFox, Chrome, Safari)
+// - Cross browser compatible (Internet Explorer, FireFox, Chrome, Safari, Opera)
 // - Pie charts with tooltips
 // 
 //////////////////////////////////////////////////////////////////////////

index.html

@@ -90,11 +90,11 @@ <h3>Matts411.com Visitors:</h3>
 
 		<!-- <script type="text/javascript" src="javascripts/mootools-core-1.3-full-nocompat-yc.js"></script> -->
 		<!-- <script type="text/javascript" src="javascripts/mootools-more.js"></script> -->
-		<!--[if IE]><script type="text/javascript" src="javascripts/excanvas.js"></script><![endif]-->
+		<!--[if lte IE 8]><script type="text/javascript" src="javascripts/excanvas.js"></script><![endif]-->
 		<!-- <script type="text/javascript" src="javascripts/Chart.js"></script> -->
 		<script type="text/javascript" src="javascripts/demo_compressed.js"></script>
 		<script type="text/javascript">
-			var Demo = new Class({
+			var ChartDemo = new Class({
 				Binds : ["generateChart"], 
 
 				//////////////////////////////////////////////////////////////////////////////////
@@ -122,7 +122,7 @@ <h3>Matts411.com Visitors:</h3>
 				}
 			});
 
-			new Demo();
+			new ChartDemo();
 		</script>
 	</body>
 </html>

javascripts/Chart.js

@@ -6,7 +6,7 @@
 // Credits to Greg Houston (http://demos.greghoustondesign.com/piechart/)
 //
 ////////////////////////////////////
-Chart = new Class({
+var Chart = new Class({
 	Implements : [Options], 
 	Binds : ["showToolTip", "hideToolTip"],