function checkFields()
{
	if(document.getElementById('FNAME').value == "")
	{
		alert("You must enter a first name");
		return false;
	}
	else if(document.getElementById('LNAME').value == "")
	{
		alert("You must enter a last name");
		return false;
	}
	else if(document.getElementById('ZIP').value == "")
	{
		alert("You must enter a zip code");
		return false;
	}
	else if(document.getElementById('EMAIL').value == "")
	{
		alert("You must enter an email address");
		return false;
	}
	else if(document.getElementById('FORMAT1').checked == false && document.getElementById('FORMAT2').checked == false)
	{
		alert("You must select an email format");
		return false;
	}
}