nction handleCheckboxModifyEvent(event, checkbox){
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&#160;&#160;&#160;&#160;// If IE get the IE event object
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&#160;&#160; var e = event || window.event;
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&#160;&#160; // Check
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&#160;&#160; if( browser.attrName(e) == "aria-checked" ) {
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&#160;&#160;&#160;&#160;// update state image
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&#160;&#160;&#160;&#160;if (checkbox.node.getAttribute("aria-checked") == "true") 
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&#160;&#160;&#160;&#160;&#160;&#160;checkbox.image_node.src= "images/checked.gif";
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&#