--- a/suite/browser/pageinfo/pageInfo.js
+++ b/suite/browser/pageinfo/pageInfo.js
@@ -1392,16 +1392,24 @@ function doCopy(isLinkMode)
 {
   var text = getSelectedItems(isLinkMode);
 
   Cc["@mozilla.org/widget/clipboardhelper;1"]
     .getService(Ci.nsIClipboardHelper)
     .copyString(text.join("\n"));
 }
 
+function doSelectAllMedia()
+{
+  var tree = document.getElementById("imagetree");
+
+  if (tree)
+    tree.view.selection.selectAll();
+}
+
 function doSelectAll()
 {
   var elem = document.commandDispatcher.focusedElement;
 
   if (elem && "treeBoxObject" in elem)
     elem.view.selection.selectAll();
 }
 

--- a/suite/browser/pageinfo/pageInfo.xul
+++ b/suite/browser/pageinfo/pageInfo.xul
@@ -279,16 +279,19 @@
             <vbox>
               <checkbox id="blockImage"
                         hidden="true"
                         oncommand="onBlockImage(this.checked);"
                         accesskey="&mediaBlockImage.accesskey;"/>
               <label control="thepreviewimage" value="&mediaPreview;" class="header"/>
             </vbox>
             <spacer flex="1"/>
+            <button label="&selectall.label;" accesskey="&selectall.accesskey;"
+                    id="selectallbutton"
+                    oncommand="doSelectAllMedia();"/>
             <button label="&mediaSaveAs;" accesskey="&mediaSaveAs.accesskey;"
                     icon="save" id="imagesaveasbutton" disabled="true"
                     oncommand="saveMedia();"/>
           </hbox>
           <vbox class="inset iframe" flex="1" pack="center">
             <hbox id="theimagecontainer" pack="center">
               <image id="thepreviewimage"/>
             </hbox>