title: How to approach creating a visual thermometer
body: <p>I have an <code>input</code> box in my page which represents disease thermometer values. I would like  to add a visual thermometer, so as when user inputs a value, a loading bar to fill the thermometer and if the value is big, the colour of the thermometer will change it's colour.</p>
  
  <p>I found this:</p>
  
  <p><a href="http://www.fundraiserinsight.org/thermometer/" rel="nofollow">http://www.fundraiserinsight.org/thermometer/</a></p>
  
  <p>But it begins from 0 and also it is static.</p>