add active class for unexpanded cdm

cdm.css

@@ -132,6 +132,10 @@ div.cdm.expanded.Unread.Selected div.cdmHeader, div.cdm.expanded.Selected div.cd
 	background : #FFEA9E;
 }
 
+div.cdm.active.Selected div.cdmHeader {
+	background : #FFEA9E;
+}
+
 div.cdm.expanded.even.Unread, div.cdm.expanded.odd.Unread {
 	background : white;
 }
@@ -165,6 +169,7 @@ div.cdmHeader span.author {
 	font-size : 11px;
 }
 
-div.cdm.expanded div.cdmHeader a.title {
+div.cdm.expanded div.cdmHeader a.title, div.cdm.active div.cdmHeader a.title {
 	font-size : 13px;
 }
+

js/viewfeed.js

@@ -1392,6 +1392,7 @@ function cdmExpandArticle(id) {
 		  	Element.hide(elem);
 			Element.show("CEXC-" + getActiveArticleId());
 			Element.hide(collapse);
+			$("RROW-" + getActiveArticleId()).removeClassName("active");
 		}
 
 		setActiveArticleId(id);
@@ -1413,6 +1414,7 @@ function cdmExpandArticle(id) {
 			Element.show(elem);
 			Element.hide("CEXC-" + id);
 			Element.show(collapse);
+			$("RROW-" + id).addClassName("active");
 		}
 
 		var new_offset = $("RROW-" + id).offsetTop;