function verifyOrderForm(leform){
	validemail = validateEmail(leform.email.value);
	if (leform.email.value  == ''){
		alert('Please enter your email address');
		leform.email.focus();
		return false;
	} else if (!validemail) {
		alert('The email address you have entered is not valid');
		leform.email.focus();
		return false;
	} else {
		return true; // good to go!
	}
}

function validateEmail(email) {
	AtPos = email.indexOf("@")
	StopPos = email.lastIndexOf(".")
	if (AtPos == -1 || StopPos == -1) {
		return false;
	} else if (StopPos < AtPos) {
		return false;
	} else if (StopPos - AtPos == 1) {
		return false;
	} else if (AtPos == 0) {
		return false;
	}  else if (StopPos == (email.length -1)) {
		return false;
	} else {
		return true; // good to go!
	}
}