| Name | Values | Description | 
| class | classname | Class of the element which is used to associate the element with a style sheet. | 
| event_name | script_code | Defines script to run on event such as OnMouseOver | 
| id | string | A unique name to identify an element. | 
| lang | language_type | The ISO description for the language of the element. | 
| language | javascript|jscript|vbscript|vbs |  | 
| style | string | Specifies style information for the element. | 
| title | string | Title for element which is often displayed as a tool-tip when the cursor hovers over the element. |