http://www.xulplanet.com/tutorials/xultu/textimage.html http://www.xulplanet.com/reference/elemref/ref_label.html This element is used to provide a label for an control element, If the user clicks the label, it will move the focus to the associated control, specified with the control attribute. nsIAccessibleProvider nsIDOMXULLabelElement This should be set to a letter that is used as a shortcut key. This letter should be one of the characters that appears in the label text for the label. This letter will typically be drawn underlined, although this behavior will be platform and theme specific. When the user presses ALT (or a similar key that varies on each platform) and the access key, the label will be activated from anywhere in the window. Although the value is case insensitive, a letter with the case matching the accesskey attribute will used if both cases exist in the label. This attribute should be set to the id of an element that the label is associated with. When the user clicks on the label, the associated element is given the focus. If the label of the label is too small to fit in its given space, the text will be cropped on the side specified by the crop attribute. An ellipsis will be used in place of the cropped text. If the box direction is reversed, the cropping is reversed. The text will be cropped on its left side. The text will be cropped on its right side. (Deprecated) The text will be cropped on its left side. (Deprecated) The text will be cropped on its right side. The text will be cropped on both sides. The text will be not be cropped using an ellipsis. However, the text will simply be cut off if it is too large. The side depends on the CSS text alignment. If this attribute is set to true, the label is disabled. This is usually drawn with the text in grey. Leave the attribute out entirely for a regular enabled label. The text to be used for the label. A class used for headings. Typically, this will cause the text to appear bold. This class causes the text to be indented on its left side. This class causes the text to be displayed in a monospace font. This class causes the text to be displayed with no border or margin. This class causes the text to be displayed with a smaller margin. Labels with this class may be focused and the click handler run on a mouse click or enter key press. Returns the accessibility object for the label.