function isReady(form) {
	if (isFilled(form.name) == false) {
		alert("Please enter your name.");
		form.name.focus();
		return false;
	}
	
	if (isEmail(form.email) == false) {
		alert("Please enter your e-mail address.");
		form.email.focus();
		return false;
	}
	
	/*if (isFilled(form.opinion) == false) {
		alert("Please enter your opinion.");
		form.opinion.focus;
		return false;
	}*/
	//return true;
}

function isEmail(elm) {
	if (elm.value.indexOf("@") != "-1" && elm.value.indexOf(".") != "-1" && elm.value != "") {
		return true;
		} else return false;
	}

function isFilled(elm) {
	if (elm.value == "" || elm.value == null)
		return false;
	else return true;
}