// JavaScript Document
function f1_check(what)
{
	// make sure both radioboxes have a value
	var info_missing = false;
	var name_missing = false;
	
	if(!what.pt1_1[0].checked &&
		  !what.pt1_1[1].checked  &&
		  !what.pt1_1[2].checked &&
		  !what.pt1_1[3].checked) info_missing = true;
	
	if('' == what.uid.value && ('' == what.full_name.value || '' == what.email.value)) name_missing = true;
	
	if(info_missing || name_missing)
	{
		alert((info_missing) ? "Please choose one of the options." : "Please enter your name and e-mail address.");
	} else {
		what.submit();
	}
}