function checkfields(form){
		
	if (form.FirstName.value == ""){
		alert("Please enter your first name.");
		form.FirstName.focus();
		return false;
		}
	
	if (form.LastName.value == ""){
		alert("Please enter your last name.");
		form.LastName.focus();
		return false;
		}
		
	if (form.Email.value == ""){
		alert("Please enter your email address.");
		form.Email.focus();
		return false;
		}
		
		return true;	
}