<script language="JavaScript" type="text/javascript">
function autosubit(){
var username=document.getElementById("username"); //input text id=username
var userpwd=document.getElementById("userpwd"); //input password id=username
var form=document.getElementById("form"); //form id=form
username.value="XXXX";
userpwd.value="XXXX";
form.submit();
}
</script>