Any input is appreciated.

<!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 language="text/javascript">
function validateForm(form1)
{
alert("Please enter your name.");

}
</script>
</head>

<body>
<form name="form1" id="form1"  method="post" onSubmit="validateForm(form1);">
<input type="text" id="name" name="name" /> 
<input type="submit" name="SubmitName" value="Submit" />  
</form>
</body>
</html>
<!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>
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