// JavaScript Document
function checkField() {
	var preferences = document.getElementsByName('QJ099');
	
	for(var i = 0; i < preferences.length; i++) {
		if(preferences[i].checked) {
			document.getElementById('preference' + i).value = preferences[i].value;
		}else {
			document.getElementById('preference' + i).value = '';
		}
	}
}