function validEmail(email) {

    var emailReg = "^[\\w-_\.]*[\\w-_\.]\@[\\w]\.+[\\w]+[\\w]$";
    var regex = new RegExp(emailReg);

	if (regex.test(email) == false)
		return false;
	else
		return true;
	
}

function validate(form){
	var validForm = "";

	if (form.name.value == "")
		validForm += "Please enter your name.\n";

	if (form.email.value == "") {
		validForm += "Please enter your email address.\n";
		} else if(validEmail(form.email.value) == false) {
			validForm += "Please enter a valid email address.\n";
		}

	if(validForm) {
		alert(validForm);
		return false;
	} else
		return true;
		
}