onMouseOver Event Rules

HTML Markup Details

onmouseover and onmouseout attributes: The onmouseover and onmouseout events are often used to create styling effects, dispaly content from dynamic menus and provide contextual help information.
onfocus and onblur attributes: The onfocus and onblur events can be used to provide keyboard support to mouse pointer related events that are needed for accessibility.

no.	Testing	Description	Implementation
no.	Testing	Description	FAE	Firefox Accessibility Extension
1	Warning/Pass	Every `onmouseover` event handler that is on a focusable element must have a corresponding `onfocus` event handler. Implementation Notes `a` elements with an `href` and/or `tabindex` attribute with a value greater than or equal 0. `input`, `select`, `button`, `textarea` and `area` elements.	1.0	1.5
2	Warning/Pass	Every `onmouseout` event handler that is on a focusable element must have a corresponding `onblur` event handler. Implementation Notes `a` elements with an `href` and/or `tabindex` atribute with a value greater than or equal 0. `input`, `select`, `button`, `textarea` and `area` elements.	1.0	1.5
3	Warning/Pass	Every `onmouseover` or `onmouseout` event handler that is not on a focusable element should use CSS `:hover` psuedo element to provide the stylistic changes. Implementation Notes `a` elements with an `href` and/or `tabindex` atribute with a value greater than or equal 0. `input`, `select`, `button`, `textarea` and `area` elements.	1.0	1.5

Illinois Functional Accessibility Evaluator 1.0: The Illinois Functional Accessibility Evaluator is a web based tool to help developers evaluate web resources for the use of the iCITA HTML best practices.; Web interface cannot currently analyze content generated dynamically with javascript.
Illinois Firefox Accessibility Extension: The Illinois Firefox Accessibility Extension is a Firefox add-in that is designed to identify accessibility features for both static and dynamically generated html content.; Useful for identifying the location of specific accessibility problems for failures and warnings indentified in FAE reports.; Create FAE reports for a page that uses javascript to generate page content with the FAE DHTML Report feature.