Answer Posted / ram gopal verma

<script type="text/javascript">

function validateAndSubmit()
{
if(document.getElementById('user_id').value=='') {
alert('Please enter user id');
document.getElementById('user_id').focus();
}
else
if(document.getElementById('pass').value=='')
{
alert('Please enter password');
document.getElementById('pass').focus();
}else
{
document.form1.submit();
}
}
</script>

<form id="form1" name="form1" method="post" action="action.php" onsubmit="return validate()">

<input type="text" name="user_id" id="user_id" />
<input type="password" name="pass" id="pass" />

<a href="javascript:validateAndSubmit();">Submit Me..</a>

</form>

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