Basicly I'm doing the beginners tutorial and it should show this

[![With coinbase adress](https://i.stack.imgur.com/I9hOF.png)](https://i.stack.imgur.com/I9hOF.png)

But For me it just does this 

[![Without adresses](https://i.stack.imgur.com/wQmkG.png)](https://i.stack.imgur.com/wQmkG.png)

How can I make web3.eth.coinbase refer to my adress? Do I have to run a node or test-net?

```
<script type="text/javascript">
///First web3.eth.watch code to monitor coinbase

  web3.eth.watch('chain').changed(function(){
  var coinbase = web3.eth.coinbase;
  document.getElementById('coinbase').innerText = coinbase;
  var balance = web3.eth.balanceAt(coinbase);
  document.getElementById('balance').innerText = web3.toDecimal(balance);
});

///Insert your contract address var here:

///Second web3.eth.watch code to monitor block number

</script>

```