Show images whenever selected in a combo box

[PeterL]

I have created a combo box containing the names of images in the directory images on my server. I need to display the selected images whenever selected in the combo box. Please help me!

[x_goose_x]

<select size="1" onchange="document.getElementById('imagchng').setAttribute('src',this.value);">
<option value="moon.jpg">Image One</option>
<option value="sun.jpg">Image Two</option>
<option value="star.jpg">Image Three</option>
</select>
<img id="imagchng" src="default.jpg">