1 files changed, 36 insertions, 10 deletions
diff --git a/lib/dijit/themes/soria/form/RadioButton.css b/lib/dijit/themes/soria/form/RadioButton.css
index 543694e28..1ea27bf65 100644
--- a/lib/dijit/themes/soria/form/RadioButton.css
+++ b/lib/dijit/themes/soria/form/RadioButton.css
@@ -1,40 +1,66 @@
+/*
+ *  CheckBox and Radio Widgets,
+ *	and the CSS to embed a checkbox or radio icon inside a ToggleButton.
+ *
+ *	Order of images in the default sprite (from L to R, checkbox and radio in same image):
+ *		checkbox	normal 	 - checked
+ *							 - unchecked
+ *					disabled - checked
+ *							 - unchecked
+ *					hover 	 - checked
+ *							 - unchecked
+ *
+ *		radio		normal 	 - checked
+ *							 - unchecked
+ *					disabled - checked
+ *							 - unchecked
+ *					hover 	 - checked
+ *							 - unchecked
+*/
 
 .soria .dijitToggleButton .dijitRadio,
 .soria .dijitToggleButton .dijitRadioIcon {
 	background-image: url('../images/spriteRadio.gif');
 }
+
 .soria .dijitRadio,
-.soria .dijitRadioIcon	{		
-	background-image: url('../images/spriteRadio.gif'); 
+.soria .dijitRadioIcon	{		/* inside a toggle button */
+	background-image: url('../images/spriteRadio.gif'); /* checkbox sprite image */
 	background-repeat: no-repeat;
 	width: 16px;
 	height: 16px;
 	margin: 0;
 	padding: 0;
 }
+
 .soria .dijitRadio,
 .soria .dijitToggleButton .dijitRadioIcon {
-	
+	/* unselected */
 	background-position: -16px;
 }
+
 .soria .dijitRadioChecked,
 .soria .dijitToggleButtonChecked .dijitRadioIcon {
-	
-	background-position: 0px;
+	/* selected */
+	background-position: 0;
 }
+
 .soria .dijitRadioDisabled {
-	
+	/* unselected and disabled */
 	background-position: -48px;
 }
+
 .soria .dijitRadioCheckedDisabled {
-	
+	/* selected but disabled */
 	background-position: -32px;
 }
+
 .soria .dijitRadioHover {
-	
+	/* hovering over an unselected enabled radio button */
 	background-position: -80px;
 }
+
 .soria .dijitRadioCheckedHover {
-	
+	/* hovering over a selected enabled radio button */
 	background-position: -64px;
-}
+}
+\ No newline at end of file