<html>
<head>
</head>
<body>
<form>
<img name="pic" src="http://icons.iconarchive.com/icons/guillendesign/variations-3/256/Default-Icon-icon.png" /></br>
<select onChange="changeImage(this.value)">
<option value="http://icons.iconarchive.com/icons/guillendesign/variations-3/256/Default-Icon-icon.png 0">Выбрать</option>
<option value="http://javascript.ru/forum/image.php?u=39914&dateline=1421334989 5900">Картинка 1</option>
<option value="http://javascript.ru/forum/image.php?u=7416&dateline=1372796129 6900">Картинка 2</option>
<option value="http://javascript.ru/forum/images/ca_serenity/misc/logo.gif 7900">Картинка 3</option>
</select>
<div id="mydiv">0</div>
</form>
<script>
d=document.getElementById('mydiv')
function changeImage(value) {
document.images['pic'].src=value.split(" ")[0]
d.innerHTML = value.split(" ")[1]
}
</script>
</body>
</html>