public interface Files
 The two main URL settings relevant to file loading
 are:
 * appDir  (where application-specific files live)
 * isomorphicDir (where system
 supplied files live)
Page.getAppDir(), 
Page.setAppImgDir(), 
Page.getAppImgDir(), 
Page.setAppFilesDir(), 
Page.getAppFilesDir(), 
Page.setIsomorphicDir(), 
Page.getIsomorphicDir(), 
Page.setIsomorphicToolsDir(), 
Page.getIsomorphicToolsDir(), 
Page.getToolsImgDir(), 
Page.setSkinDir(), 
Page.getSkinDir(), 
Page.getSkinImgDir(), 
Page.setSampleImgDir(), 
Page.getSampleImgDir(), 
Page.setSampleThumbnailDir(), 
Page.getSampleThumbnailDir(), 
Page.setSamplePhotoDir(), 
Page.getSamplePhotoDir(), 
Page.getImgURL(java.lang.String), 
Page.getURL(java.lang.String), 
Page.loadStyleSheet(java.lang.String), 
Page.setAddVersionToSkinCSS(java.lang.Boolean), 
Page.isAddVersionToSkinCSS(), 
com.smartgwt.client.util.Page#defaultUnsupportedBrowserURL, 
com.smartgwt.client.util.Page#protocolURLs