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<html>
<head>
<script type="text/javascript">
function validate()
{
var uid=document.getElementById("uid").value;
var pwd=document.getElementById("pwd").value;
var flag="true";
if(uid == null || uid.length<6)
{
flag="false";
alert("username should contain min 6 charactesr");
document.getElementById("uid").value=" ";
}
else if(pwd == null || pwd.length<6)
{
flag="false";
alert("pass min 6");
document.getElementById("pwd").value=" ";
}
if (flag=="false");
return false;
}
</script>
</head>
<body bgcolor="brown">
<form align="center" onsubmit="return validate()">

usname:<input type="label" name="uid" value=""></br></br>
passwd:<input type="password" name="pwd" value=""></br><br>
<button type="submit">Submit</button>
<button type="button">Reset</button>
</form>
</body>
</html>