Dit script doet wat je wilt
<html>
<head>
<title>Dit is een test</title>
<script language="javascript">
function Antwoord1()
{
document.getElementById("form1").mesaj1.value = "www.helpmij.nl";
}
function Antwoord2()
{
document.getElementById("form1").mesaj2.value = "www.oplossing.be";
}
</script>
</head>
<body bgcolor="#00800">
<map id="ImgButton1">
<area coords="0,0,90,30" href="javascript:Antwoord2()" shape="rect">
</map>
<form id="form1" method="post">
<table width="400px" cellpadding="1" cellspacing="0">
<tr>
<td colspan="2">
<font face="Arial" color="white" size="2">
<b>
Waar vind ik hulp bij computerproblemen?
</b>
</font>
</td>
</tr>
<tr>
<td width="100px">
<input type="button" value="antwoord" onclick="Antwoord1()">
</td>
<td valign="middle" width="300px">
<input type="text" style="text-align: center" id="mesaj1" rows="2" cols="40">
</td>
</tr>
<tr>
<td colspan="2">
<font face="Arial" color="white" size="2">
<b>
Bestaat er nog een andere Nederlandstalige site?
</b>
</font>
</td>
</tr>
<tr>
<td>
<img src="antwoord.jpg" border="0" usemap="#ImgButton1" width="90" height="30">
</td>
<td valign="middle">
<input type="text" style="text-align: center" id="mesaj2" rows="2" cols="40">
</td>
</tr>
</table>
</form>
</body>
</html>