bf6ad7630f65756fbcb4c8fb9936a4fe542a6308Jenny Donnelly<div id="demo">
bf6ad7630f65756fbcb4c8fb9936a4fe542a6308Jenny Donnelly <input type="button" id="start" value="Start polling">
bf6ad7630f65756fbcb4c8fb9936a4fe542a6308Jenny Donnelly <input type="button" id="stop" value="Stop polling">
bf6ad7630f65756fbcb4c8fb9936a4fe542a6308Jenny Donnelly <div id="out">