<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Untitled Document</title>
<script type="text/javascript">
<!--Begin Hiding
//I just modified your code. Pls. Take a good look.
function validateForm(form)
{
alert('Please enter your name.');
}
// Done Hiding -->
</script>
</head>
<body>
<form name="form1" method="post" onSubmit="validateForm(this.form);">
<input type="text" id="name" /> <input type="submit" name="SubmitName" value="Submit" />
</form>
<!-- Hope it helps you, enjoy your coding...-->
</body>
</html>