<form method="POST" name="kelime">
  <script language="JavaScript">
function countit(){
var formcontent=document.kelime.kelime2.value
formcontent=formcontent.split(" ")
document.kelime.kelime3.value=formcontent.length
}
</script>
<table border="0" cellspacing="0" cellpadding="0">
    <tr>
      <td width="100%">
		<textarea rows="20" name="kelime2" cols="94" wrap="virtual"></textarea></td>
    </tr>
    <tr>
      <td width="100%"><div align="right"><p>
		<input type="button" value="Kaç Kelime Var"
      onClick="countit()"> <input type="text" name="kelime3" size="12"></p>
      </div></td>
    </tr>
  </table>
</form>