Please help, How to insert number into inputbox by Id.

`<input name="table1" type="text" size="1" id="musicstock1"/>`

Would like to insert for example number (5) into this particular input box when button clicked.

So push the "Insert" button number 5 show on inputbox

is this correct?

```
function insert () {
    document.getElementById('musicstock1').innerHTML = "5";
}

```

Thank you in advance

Appericiate for Replys... Please Check @

<http://jsfiddle.net/JxfcH/#>
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**Not Worked..**