Schema for Web Content Accessibility
In pattern Web Content Accessibility Guidelines 1.0, Guideline 1:
			(1.1) An image element should have some descriptive text: an alt or longdesc attribute.
In pattern Web Content Accessibility Guidelines 1.0, Guideline 1:
			(1.1) An input element should have some descriptive text: an alt or longdesc attribute.
In pattern Web Content Accessibility Guidelines 1.0, Guideline 1:
			(1.1) An applet element should have some descriptive text: an alt or longdesc attribute.
In pattern Web Content Accessibility Guidelines 1.0, Guideline 1:
			(1.1) A map element should have some descriptive text: an alt attribute or a link.
In pattern Web Content Accessibility Guidelines 1.0, Guideline 1:
			(1.1) An object element should contain some descriptive text.
In pattern Web Content Accessibility Guidelines 1.0, Guideline 1:
			(1.1) A frame element should have some descriptive text: a longdesc attribute.(samecolor) 
In pattern Web Content Accessibility Guidelines 1.0, Guideline 2:
			(2.2) The background color and the foreground color are the same
In pattern Web Content Accessibility Guidelines 1.0, Guideline 3:
			(3.3) Concerning element i: B and I are not recommended. Use strong and em, or stylesheets.
In pattern Web Content Accessibility Guidelines 1.0, Guideline 3:
			(3.3) Concerning element b: B and I are not recommended. Use strong and em, or stylesheets.
In pattern Web Content Accessibility Guidelines 1.0, Guideline 3:
			(3.3) A list should not be used for formatting effects
In pattern Web Content Accessibility Guidelines 1.0, Guideline 4:
			(4.3) The primary language of a 
				document should be identified. 
In pattern Web Content Accessibility Guidelines 1.0, Guideline 4:
			(4.3) The primary language of a 
				document should be identified. 
In pattern Web Content Accessibility Guidelines 1.0, Guideline 5:
			(5.1) A table should have a caption
In pattern Web Content Accessibility Guidelines 1.0, Guideline 5:
			(5.5) A table should have a summary attribute 
In pattern Web Content Accessibility Guidelines 1.0, Guideline 5:
			(5.6) A table header should have an abbr attribute to give abbreviation
In pattern Web Content Accessibility Guidelines 1.0, Guideline 5:
			(5.2) Table data should identify 
			its scope, headers, axis in attributes.
In pattern Web Content Accessibility Guidelines 1.0, Guideline 6:
			
				(6.2) A frame should not be a direct image
In pattern Web Content Accessibility Guidelines 1.0, Guideline 6:
			(6.5) If you specify a frame, also specify a
			noframes element.
In pattern Web Content Accessibility Guidelines 1.0, Guideline 6:
			(6.4) If you specify an "onmousedown" 
			attribute on a i element,
			you should also specify an "onkeydown" attribute
In pattern Web Content Accessibility Guidelines 1.0, Guideline 6:
			(6.4) If you specify an "onmouseup" attribute
			on a b element,
			you should also specify an "onkeyup" attribute
In pattern Web Content Accessibility Guidelines 1.0, Guideline 6:
			(6.5) The blink element is not good HTML
In pattern Web Content Accessibility Guidelines 1.0, Guideline 6:
			(6.5) The marquee element is not good HTML
In pattern Web Content Accessibility Guidelines 1.0, Guideline 7:
			(7.1) The 
			user should control the refreshing of the page
In pattern Web Content Accessibility Guidelines 1.0, Guideline ?:
			(?) A fieldset should have a legend
In pattern Web Content Accessibility Guidelines 1.0, Guideline 12:
			(12.1) A frameset should have a title