Fix navigation when accessing a page results in ACCESS DENIED, enable frame_load to load new frames

tools/frame_load.js

@@ -36,6 +36,7 @@ if (page.get(new PageObject(frame,index))) {
 	page.import(file,ext);
 	page.save();
 
-} else {
-	throw new Error('Page '+frame+index+' doesnt exist?');
+} else if (['vtx','tex'].indexOf(ext) !== -1) {
+	page.import(file,ext);
+	page.save();
 }