title: Web3.js - OPTIONS http://localhost:8545/ net::ERR_CONNECTION_REFUSED
body: <p>I am trying to configure web3.js for a website. I wish to authenticate using Ethereum.        </p>
  
  <p>I am getting the following error:</p>
  
  <pre><code>web3-light.js:4327 OPTIONS http://localhost:8545/ net::ERR_CONNECTION_REFUSED
  HttpProvider.send   @   web3-light.js:4327
  RequestManager.send @   web3-light.js:6334
  get @   web3-light.js:6237
  watchBalance    @   test.php:17
  onclick @   test.php:31 
  </code></pre>