function validateForm(form){
	if(form.email.value == "" ){
		alert("Please enter your email address.");
		form.email.focus();
		return false;
	}else if(!validateEmail(form.email.value)){
		alert("Invalid email address (example: name@domain.com)");
		form.email.focus();
		return false;	
	}
	return true;
}
function validateEmail(eMail) {
	var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; // not valid
	var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,}|[0-9]{1,3})(\]?)$/; // valid

	if(reg1.test(eMail) || !reg2.test(eMail)) {
		return false;
	}else
		return true;
}