1 files changed, 27 insertions, 0 deletions
diff --git a/ui/ui.core.js b/ui/ui.core.js
index 2cf48d11f..be0caa920 100644
--- a/ui/ui.core.js
+++ b/ui/ui.core.js
@@ -437,4 +437,31 @@ $.ui.mouse.defaults = {
 	delay: 0
 };
 
+
+// WAI-ARIA Semantics
+var isFF2 = $.browser.mozilla && (parseFloat($.browser.version) < 1.9);
+$.fn.extend({
+	ariaRole : function(role) {
+		// setter?
+		if (role) {
+			return this.each(function(i, el) {
+				$(el).attr("role", isFF2 ? "wairole:" + role : role);
+			});
+		}
+		// getter just returns first jquery member's role string
+		return (this.eq(0).attr("role") || "").replace(/^wairole:/, "");
+	},
+	
+	ariaState : function(state, value) {
+		// setter?
+		if (value) 
+			return this.each(function(i, el) {
+				isFF2? el.setAttributeNS("http://www.w3.org/2005/07/aaa", "aaa:" + state, value) :
+					$(el).attr("aria-" + state, value);
+			});
+		// getter
+		return this.attr(isFF2? "aaa:"+state : "aria-" + state);
+	}
+});
+
 })(jQuery);