{mouseup,16}{mouseup,16}{mousedown,15}{mousedown,15}click on a "radio" widget. <body ref="0"><form id="mturk_form" ref="1"><div id="wrap" ref="2"><div id="area" ref="3"><div ref="4"></DIV><div ref="6"><textarea value="di" text="di" ref="11"><div ref="12"><label ref="15"><input_radio recordingtarget="true" value="false" ref="16">