public interface Files
The two main URL settings relevant to file loading are:
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