Field Clear Script

<script language="Javascript">
<!--
//This credit must stay intact
//Script by http://www.java-Scripts.net and http://wsabstract.com
 function doClear(theText) {
     if (theText.value == theText.defaultValue) {
         theText.value = ""
     }
 }
//-->
</script>

การใช้งาน
<form>
<input type="text" size=15 value="Enter name" onFocus="doClear(this)">
</form>