To modify the mailbox tool bar, edit the appropriate files as follows:
To customize the text associated with the graphics in the Tool Bar, edit the i18n values get mail, compose, search, new search, file selected message, delete, undelete, and expunge in the lang/i18n.js file.
Functionally, toolFrame() in main.js calls getToolbar()in mbox_fs.html to get the HTML code to write out to the page.
The getToolbar() function in mbox_fs.html assembles the code and assigns the functions to the graphics by calling toolbar() in main.js, which takes care of items such as colors and text-only versions.
The getToolbar() function in mbox_fs.html also calls folderSelection() in main.js to generate the drop-down folder list.
The functions assigned by getToolbar() in mbox_fs.html that handle the tool clicks are: