// Add event handlers for a checkbox geeting and losing focus
<br>
&#160;&#160;browser.addEvent(this.node, "focus", function(event) {handleCheckboxFocusEvent(event, obj);}, false);
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&#160;&#160;browser.addEvent(this.node, "blur",&#160;&#160;function(event) {handleCheckboxBlurEvent(event, obj); }, false);
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<br>

<br>
&#160;&#160;// Add event handlers for checking if something changed the aria-checked attribute
<br>
&#160;&#160;browser.addChangeEvent(this.node, function(event) {handleCheckboxModifyEv