function Validate()
{
if (document.form.name.value == "")
{
	alert("Please enter your name.");
	return false;
}
if (document.form.phonenumber.value == "")
{
	alert("Please enter your phone number.");
	return false;
}
if (document.form.emailaddress.value == "")
{
	alert("Please enter your email address.");
	return false;
}
if (document.form.comments.value == "")
{
	alert("Please enter your comments.");
	return false;
}
	return true;
}