| w | integer | width of the each button in pixels |
| h | integer | height of the each button in pixels |
| style | integer | 0- vertical layout, 1- horizontal |
| bkColor | integer | background color |
| fgColor | integer | foreground (text) color |
| text | String | list of captions. captions must be separated by a comma |
| url | String | list of target urls. urls must be separated by a comma |
| frame | String | list of target frame names. names must be separated by a comma |