t("iframe");\
  iframe.src = "'+location.href.replace(/[^\/]*$/,'HELPER-showorigin.html')+'";\
  document.body.insertBefore(iframe,document.getElementsByTagName("div")[0]);\
};\
    <\/script>\
  <\/head>\
  <body>\
    <p>Drag the orange square onto the blue square and release it. The blue square should be replaced with the text:<br>\
    <span><\/span><\/p>\
    <div draggable="true"></div>\
  <\/body>\
<\/html>';
  document.getElementsByTagName('a')[0].href = 'data:text/html,'+escape(datastr);
};
    </s