more IE fixes, blank_icon png -> gif

backend.php

@@ -73,7 +73,7 @@
 				if (file_exists($icon_file) && filesize($icon_file) > 0) {
 						$feed_icon = "<img src=\"" . ICONS_URL . "/$feed_id.ico\">";
 				} else {
-					$feed_icon = "<img src=\"images/blank_icon.png\">";
+					$feed_icon = "<img src=\"images/blank_icon.gif\">";
 				}
 			} else {
 				$feed_icon = "<img width=\"16\" height=\"16\"
@@ -379,7 +379,7 @@
 
 			} else {
 
-				$update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.png\" 
+				$update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\" 
 					alt=\"Updated\">";
 
 			}

tt-rss.css

@@ -221,17 +221,19 @@ div.expPane {
 	margin : 15px;
 }
 
+iframe {
+	border : 0px solid white;
+}
+
 iframe.feedsFrame {
 	width : 100%;
 	height : 90%;
-	border-width : 0px;
 	margin : 0px;
 	padding : 0px;
 }
 
 iframe.contentFrame, iframe.headlinesFrame {
 	width : 100%;
-	border-width : 0px;
 	padding : 0px;
 	margin : 0px;
 	height : 100%;

tt-rss.php

@@ -47,7 +47,8 @@
 		
 		<!-- <div id="feeds">&nbsp;</div> -->
 
-		<iframe id="feeds-frame" name="feeds-frame" class="feedsFrame"> </iframe>
+		<iframe frameborder="0" 
+			id="feeds-frame" name="feeds-frame" class="feedsFrame"> </iframe>
 	
 		<p align="center">All feeds:
 		
@@ -101,13 +102,14 @@
 	</td> 
 </tr><tr>
 	<td id="headlines" class="headlines" valign="top">
-		<iframe name="headlines-frame" 
+		<iframe frameborder="0" name="headlines-frame" 
 			id="headlines-frame" class="headlinesFrame" 
 				src="backend.php?op=error&msg=No%20feed%20selected."></iframe>
 	</td>
 </tr><tr>
 	<td class="content" id="content" valign="top">
-		<iframe name="content-frame" id="content-frame" class="contentFrame"> </iframe>
+		<iframe frameborder="0" name="content-frame" 
+			id="content-frame" class="contentFrame"> </iframe>
 	</td>
 </tr>
 <tr>