<form> 
<input type="text" name="keyword"> 
<input type="button" OnClick="yazdir()" value="Add"> 
<input type="button" OnClick="sil()" value="Del"> 
<input type=hidden name="link"> 
</form>



<span id="deneme"></span>

<script language="JavaScript">
function yazdir () {
var yazI = document.getElementById('keyword').value
document.getElementById('deneme').innerHTML = yazI;
}
function sil () {
document.getElementById('deneme').innerHTML = ''
}
</script>