disabled
1.Tags property: BUTTON, INPUT, LINK, OBJECT, SELECT, STYLE, TEXTAREA . Specifies whether the object is unavailable (by the presence of the word DISABLED in the tag) or available (by the absence of the word DISABLED in the tag). Returns true if the object is not available and false if available.
disabled =
Inaccessibility is set from the script:
object.disabled = true
Inaccessibility is reset from the script:
object.disabled = false

2. property of the STYLESHEET object. Specifies whether the object is unavailable (by the presence of the word DISABLED in the corresponding STYLE tag) or available (by the absence of the word DISABLED in the tag). Returns true if the corresponding STYLE object is not available and false if available.
document.stylesheets (number) .disabled
Inaccessibility is set from the script:
document.stylesheets (number) .disabled = true
Inaccessibility is reset from the script:
document.stylesheets (number) .disabled = false