function validaContact(form) {
	if(form.name.value == false || form.name.value.length < 3 || form.name.value.length > 20) {
		alert("Please tell us your name");
		form.name.focus();
		return false;
	}
	if(form.email.value == false || form.email.value.length < 3) {
		alert("Please tell us your email.");
		form.email.focus();
		return false;
	}
}