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javascript: var d = document,
  w = window,
  e = w.getSelection,
  k = d.getSelection,
  x = d.selection,
  s = e ? e() : k ? k() : x ? x.createRange().text : 0,
  f = 'http://awesomewebsite.com/bookmarklet/iframe',
  l = d.location,
  e = encodeURIComponent,
  u = f + '?u=' + e(l.href) + '&t=' + e(d.title) + '&s=' + e(s) + '&v=4';
a = function() {
  if (
    !w.open(
      u,
      't',
      'toolbar=0,resizable=1,scrollbars=1,status=1,width=720,height=570'
    )
  )
    l.href = u;
};
if (/Firefox/.test(navigator.userAgent)) setTimeout(a, 0);
else a();
void 0;