Moose Loose WordPress & Web Desigh Tools

<script>
function MooseMail() {
var x = document.forms[""][""].value;
var atpos = x.indexOf("@");
var dotpos = x.lastIndexOf(".");
if (atpos< 1 || dotpos<atpos+2 || dotpos+2>=x.length) {
alert("Not a valid e-mail address");
return false;
}
}
</script>

<form name="" action=".php" onsubmit="return MooseMail();" method="post">
Email: <input type="text" name="">

<input type="submit" value="Submit">
</form>