<html>
<title>Email Validation</title>
<script type="text/javascript">
function validateEmail()
{
if (document.myForm.Email.value == "") {
alert("Enter a Email");
document.myForm.name.focus();
return false;
}
var emailID = document.myForm.Email.value;
atpos = emailID.indexOf("@");
dotpos = emailID.lastIndexOf(".");
if (atpos < 1 || ( dotpos - atpos < 2 ))
{
alert("Please enter correct email ID")
document.myForm.EMail.focus() ;
return false;
}
return( true );
}
</script>
<body>
<form name="myForm">
Enter Email-id<input type=text name="Email">
<input type="Submit" onclick="validateEmail();">
</form>
</body>
</html>
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