Migrating to jQuery the feed feature.

admin/feeds.php

 			$("#divMessages").fadeOut(5000,function(){
 				$("#divMessages").css({display:"none"});
 			});
+			$("#source").change(function (){selectFeedType('<?php echo __("Feed Url:")?>','<?php echo __(" username:")?>')})
 		});
 		</script>
 		<style type="text/css" media="screen">	
 						<ul>
 							<li>
 								<label for="source"><?php echo __("Import data from:")?></label>
-								<select name="source" id="source" onchange="selectFeedType('<?php echo __("Feed Url:")?>','<?php echo __(" username:")?>' )">
+								<select name="source" id="source">
                                 	<option value="Rss" selected="selected">Rss/atom Feed</option>
                                     <option value="Twitter">Twitter</option>
                                     <option value="Youtube">Youtube</option>

admin/scripts/tools.js

 }
 
 function selectFeedType(feed_url,username){
-		var source = $('source');
-		if(source.selectedIndex != 0){
-			$('import_as').style.display="none";
-			$('url_label').firstChild.nodeValue = source[source.selectedIndex].firstChild.nodeValue + username;
+		if( $('#source').val() != 'Rss'){
+			$('#import_as').hide();
+			$('#url_label').text($('#source').val() + username) ;
 		}else{
-			$('import_as').style.display="block";
-			$('url_label').firstChild.nodeValue = feed_url;
+			$('#import_as').show();
+			$('#url_label').text(feed_url);
 		}
 }
-