function focused(id) {
if(document.getElementById(id).value == 'Insert valid email'){
	document.getElementById(id).value = '';
	}
}

function submitit() {
email = document.getElementById('email').value;
if(email.indexOf('@') < 0 || email.indexOf('.') < 0) {
alert("You have entered an invalid email\nPlease try again");
}
else {
document.getElementById('frm').submit();
}
}