title: Date string conversion to unix timestamp in JavaScript / jQuery
body: <p>I have date string in this format: </p>
  
  <pre><code>2009-07-15 00:00:00 - 2009-07-15 08:16:23
  </code></pre>
  
  <p>Could anyone help me to tweak the date string to unix timestamp into something like this: </p>
  
  <pre><code>1247634000 - 1247663783
  </code></pre>
  
  <p>I am using <code>GMT-5</code> Timezone. </p>
  
  <p>What JavaScript or jQuery techniques could be used?</p>