Text Equivalents: List of Images

Dialog Box

Images List

1. This list itemizes all img elements on the page.
2. Selecting an item in the list, by clicking on the item or by using the arrow keys, highlights the corresponding image in the browser, and activates Open Long Description button when the image has a defined longdesc attribute.
3.     Selecting an item with colored background, by clicking on the item or by using the arrow keys, displays related accessibility statement in the Accessibility Information area.
4. Columns
   • Order (hidden) - The sequence in which the items appear on the page is displayed.
   • Text - The alt or title attribute of each img element is displayed.
     • The message   (No Alt or Title) is displayed when neither alt or title attribute is defined.
     • The message   (alt="") is displayed when the content of alt attribute is null.
   • Link - The src attribute of each img element is displayed. If src attribute is not available, the message (No Address) is displayed.
   • Width - The width of the image, set by the width attribute or by default, is displayed.
   • Height - The height of the image, set by the height attribute or by default, is displayed.
   • Ratio(W/H) - The ratio of the dimensions of the image, the width divided by the height, is displayed.
   • Longdesc - If longdesc attribute is defined for the img element, the message longdesc is displayed. Otherwise, the message (none) is displayed.

Accessibility Information

•   Fail: Each img element should have alt text.
•   Warn: Each img element with an alt attribute should have alt text.
• Note: No alt text provided, but alternate text was found on the title attribute.
•   Warn: Avoid using img elements for stylistic purpose such as separator bars or list bullets; use CSS instead.
  • The height or width of the image is less than 4 pixels.

Buttons

• View Summary - opens a new browser window and displays the contents of the dialog box in the new browser window, allowing the user to see/print the entire data set.
• Go To URL - closes the dialog box, opens the selected image in a new window or tab as per the user's browser preference. If nothing is selected, the first image of the list is loaded.
• Open Long Description - opens a new broswer window and displays the longdesc attribute that corresponds to the selected item in the dialog.
• Close Window - closes the dialog box.