title: Multi Line Graph D3.js
body: <p>I'm trying to plot more than one line on my graph as per this example:</p>
  
  <p><a href="http://bl.ocks.org/mbostock/3884955" rel="nofollow">http://bl.ocks.org/mbostock/3884955</a></p>
  
  <p>The data is being pulled from a mySQL database using PHP - with output in following format:</p>
  
  <pre><code> [{"dateTimeTaken":"2013-02-21 07:39:29","reading":"12.2","parameterType":"Flouride"},
   {"dateTimeTaken":"2013-02-21 07:39:34","reading":"12.01","parameterType":"Temperature"}, 
   {"dateTimeTaken":"2013-02-2107:39:39","reading":"12.01","parameterType":"PH"},...etc.
  </code></pre>
  
  <p>I would like one line per parameterType but not having any luck getting it working.  At the moment getting an error "Problem Parsing d" and no lines at all displaying.</p>
  
  <p><a href="https://gist.github.com/Majella/ab32fe0151fd487da3f6" rel="nofollow">https://gist.github.com/Majella/ab32fe0151fd487da3f6</a></p>
  
  <p>I'd appreciate it if anyone could help me understand where I'm going wrong?</p>