Pastable version of countdown timer (minutes & seconds) javascript

<div style="overflow:auto;border:solid 1px #ccc;background:#000;color:#F8F8F8">
          <div class="section">
            
            <pre style="float:left;margin:0 10px;border-right:0;color:#666;">1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28</pre>
            <pre class="sunburst"><span style="color:#E28964;">&lt;</span>div id<span style="color:#E28964;">=</span><span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>countdown<span style="color:#65B042;">&quot;</span></span><span style="color:#E28964;">&gt;</span><span style="color:#E28964;">&lt;</span>/div<span style="color:#E28964;">&gt;</span>
<span style="color:#E28964;">&lt;</span>div id<span style="color:#E28964;">=</span><span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>notifier<span style="color:#65B042;">&quot;</span></span><span style="color:#E28964;">&gt;</span><span style="color:#E28964;">&lt;</span>/div<span style="color:#E28964;">&gt;</span>

<span style="color:#E28964;">&lt;</span>script type<span style="color:#E28964;">=</span><span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>text/javascript<span style="color:#65B042;">&quot;</span></span><span style="color:#E28964;">&gt;</span>

<span style="color:#99CF50;">var</span> start <span style="color:#E28964;">=</span> <span style="color:#3387CC;">20</span>;
  <span style="color:#9B859D;">Number</span>.<span style="color:#CF6A4C;">prototype</span>.<span style="color:#89BDFF;">toMinutesAndSeconds</span> = <span style="color:#99CF50;">function</span>() {
	<span style="color:#99CF50;">var</span> nbr <span style="color:#E28964;">=</span> <span style="color:#9B859D;">Math</span>.<span style="color:#DAD085;">floor</span>(<span style="color:#3E87E3;">this</span> / <span style="color:#3387CC;">60</span>);
	<span style="color:#E28964;">return</span> (nbr<span style="color:#E28964;">+</span><span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>:<span style="color:#65B042;">&quot;</span></span>)<span style="color:#E28964;">+</span>(((nbr<span style="color:#E28964;">=</span>(<span style="color:#3E87E3;">this</span><span style="color:#E28964;">-</span>(nbr<span style="color:#E28964;">*</span><span style="color:#3387CC;">60</span>)))<span style="color:#E28964;">&lt;</span><span style="color:#3387CC;">10</span>)?<span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>0<span style="color:#65B042;">&quot;</span></span><span style="color:#E28964;">+</span>nbr:nbr);
}

<span style="color:#99CF50;">function</span> <span style="color:#89BDFF;">display</span>(<span style="color:#3E87E3;">seconds, output</span>) {
	output.innerHTML <span style="color:#E28964;">=</span> (<span style="color:#E28964;">--</span>seconds).toMinutesAndSeconds();
	<span style="color:#E28964;">if</span>(seconds <span style="color:#E28964;">&gt;</span> <span style="color:#3387CC;">0</span>) {
		<span style="color:#9B859D;">window</span>.<span style="color:#DAD085;">setTimeout</span>(<span style="color:#99CF50;">function</span>(){display(seconds, output)}, <span style="color:#3387CC;">1000</span>);
	}
	
	<span style="color:#E28964;">if</span>(seconds <span style="color:#E28964;">&lt;</span> <span style="color:#3387CC;">11</span>) {
		<span style="color:#9B859D;">document</span>.<span style="color:#DAD085;">getElementById</span>(<span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>notifier<span style="color:#65B042;">&quot;</span></span>).innerHTML <span style="color:#E28964;">=</span> <span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>Just 10 seconds to go<span style="color:#65B042;">&quot;</span></span>;
	}
	
	<span style="color:#E28964;">if</span> (seconds <span style="color:#E28964;">==</span> <span style="color:#3387CC;">0</span>) {
		<span style="color:#9B859D;">document</span>.<span style="color:#DAD085;">getElementById</span>(<span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>notifier<span style="color:#65B042;">&quot;</span></span>).innerHTML <span style="color:#E28964;">=</span> <span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>Time is up baby<span style="color:#65B042;">&quot;</span></span>;
	}
}
display(start, <span style="color:#9B859D;">document</span>.<span style="color:#DAD085;">getElementById</span>(<span style="color:#65B042;"><span style="color:#65B042;">&quot;</span>countdown<span style="color:#65B042;">&quot;</span></span>));

<span style="color:#E28964;">&lt;</span>/script<span style="color:#E28964;">&gt;</span>
</pre>
          </div>
        </div>

<a href="http://refactormycode.com/codes/302-countdown-timer-minutes-seconds-javascript" style="color:#fff" title="As seen on RefactorMyCode.com"><img alt="Small_logo" src="http://refactormycode.com/images/small_logo.gif" style="border:0" /></a>

counter free hit invisible