Opera April Fools Challenge 2012

Use something like »»»» php -r "$f = fopen('x.bz2', 'wb'); fwrite($f, base64_decode('QlpoOTFBWSZTWdxfeo4AABlfgAAQaIV4ACpABIA/59/gIACJEU/UIYQZA0NAaGg1U/EaBJkaMgNqYPUlD8dZVzpKM0aTawMRlDodIY5PbfPtlOk/NLRoCgNgWjdkz67ESDcl6eYrs/uLuFoPfInTmfOwQH0qBDZx3UfEkkDM5I9XIUVzrp+g1ThI+Gtt+NgJ1euAInWY4ovIKCZ6rVrpO0ScdAiVR2brV+LuSKcKEhuL71HA')); fclose($f);" «««« to get binary data int a file. "bzip2 -d" it to get clear text.

by xaxa

HTML

<script src="https://raw.github.com/kirilloid/bzip2-js/master/bzip2.js"></script>
<p>
    <em>Look at console output and/or alert()s</em>
</p>

<p>
    Use something like
    »»»»
    <kbd>php -r "echo bzdecompress(base64_decode('<span id="b64"></span>'));"</kbd>
    ««««
    to decode the bzip'ed second part.
</p>

<p>kirilloid's <a href="https://github.com/kirilloid/bzip2-js" target="_blank">bzip2-js</a> JavaScript bzip2 implementation leads to
    »»»»
    <kbd id="unbzip2"></kbd>
    «««« as uncompressed result.
</p>

CSS

body {
    margin: 1ex 1em;
}
p {
    margin-bottom: 1em;
}
kbd {
    display: block;
    margin: 1ex 0;
    border: thin solid #CCC;
    padding: 1ex 1em 1ex 2em;
    text-indent: -1em;
}

JavaScript

//var adata = [
//"010000100101101001101000001110010011000101000001010110010010011001010011010110011101110001011111011110101000111000000000000000000001100101011111100000000000000000010000011010001000010101111000000000000010101001000000000001001000000000111111111001111101111111100000001000000000000010001001000100010100111111010100001000011000010000011001000000110100001101000000011010000110100000110101010100111111000100011010000001001001100100011010001100100000001101101010011000001111010100100101000011111100011101011001010101110011101001001010001100110100011010010011011010110000001100010001100101000011101000011101001000011000111001001111011011011111001111101101100101001110100100111111001101001011010001101000000010100000001101100000010110100011011101100100110011111010111011000100010010000011011100100101111010011110011000101011101100111111101110001011101110000101101000001111011111001000100111010011100110011111001110110000010000000111110100101010000001000011011001110001110111010100011111000100100100100100000011001100111001001000111101010111001000010100010101110011101011101001111110100000110101010011100001001000111110000110101101101101111110001101100000001001110101011110101110000000001000100111010110011000111000101000101111001000001010000010011001111010101011010101101011101001001110110100010010011100011101000000100010010101010001110110011011101011010101111110001011101110010010001010011100001010000100100001101110001011111011110101000111000000"
//];

// linewise array of concat'ed ascii-coded-binary data, 8 bit chunks, big-endian
var adata =...