Bug 352971: using_firebird.xhtml: wrong size of images urlbar.png and searchbar.png

patch by Reed Loden <reed@reedloden.com>, r=steffen, a=mconnor

browser/locales/en-US/chrome/help/using_firebird.xhtml

@@ -67,8 +67,7 @@ Contributors:
 <p><strong>Tip:</strong> To quickly select the URL of the Location Bar, press
   &accelKey;+<kbd>L</kbd>.</p>
 
-<p><img src="&images.baseURL;/urlbar.png"
-     width="320" height="30" alt=""/></p>
+<p><img src="&images.baseURL;/urlbar.png" alt=""/></p>
 
 <p><strong>Don't know a URL</strong>? Try typing something specific to the page
   you want to visit, e.g. a name, into the Location Bar and hit &enterKey;.
@@ -97,7 +96,7 @@ Contributors:
   <li>To see a list of any URLs you've typed into the Location Bar, click the
     down arrow at the right end of the Location Bar. To view a page, choose it
     from the list.<br/>
-    <img src="&images.baseURL;/urlbar.png" width="320" height="30" alt=""/></li>
+    <img src="&images.baseURL;/urlbar.png" alt=""/></li>
   <li>To choose from pages you've visited during the current session, open the
     History menu and use the list in the bottom section of the menu.</li>
   <li>To choose from pages you've visited during the past several sessions,
@@ -140,7 +139,7 @@ Contributors:
 
 <p>Searching for web pages on a particular topic is as easy as typing a few
   words into &brandShortName;'s Search Bar.<br/>
-  <img src="&images.baseURL;/searchbar.png" alt="" width="134" height="30"/></p>
+  <img src="&images.baseURL;/searchbar.png" alt=""/></p>
 
 <p>For example, if you want to find information about baby dolls:</p>
 <ol>