Bug 175169 file size textbox in element properties not read only

patch by neil.marshall@sympatico.ca r=dean_tessman@hotmail.com sr=jag a=dbaron

suite/browser/metadata.js

@@ -186,9 +186,9 @@ function checkForImage(elem, htmllocalname)
 
     if (img) {
 
-        var imgInfo = imgType == "object" ? img.data : img.src;
-        setInfo ("image-url", imgInfo);
-        var size = getSize(imgInfo);
+        var imgURL = imgType == "object" ? img.data : img.src;
+        setInfo("image-url", imgURL);
+        var size = getSize(imgURL);
 
         if (size != -1) {
             var kbSize = size / 1024;

suite/browser/metadata.xul

@@ -134,7 +134,7 @@
 	<row id="image-filesize">
           <separator orient="vertical"/>
           <label value="&image-filesize.label; "/>
-          <textbox id="image-filesize-text"/>
+          <textbox readonly="true" id="image-filesize-text"/>
 	</row>
         <row id="image-alt">
           <separator orient="vertical"/>