ImTranslator Button on the browser's toolbar appears after ImTranslator extension's installation.
When you click ImTranslator button on the browser's toolbar, ImTranslator application opens. By default the Toolbar button is linked with ImTranslator application.
If you want to run your preferred translation application from the Toolbar button, you have to link this application with ImTranslator button in Advanced Options.
1) If you set ImTranslator or Translator applications on the Toolbar button, clicking the Toolbar button will open an empty translation window where you can enter text to translate.
2) If you link the Pop-up Bubble or Inline Translator applications to the the Toolbar button, clicking the button will produce the alert: "Please select text".
This means that before running these applications from the Toolbar button, make sure to select the text to translate.
3) If you link Webpage Translation with the Toolbar button, the button on the toolbar will translate a webpage.
This functionality is effective in all ImTranslator extensions: Chrome, Firefox, Opera, Yandex.